CN110456540A - Light modulation device and application method, production method, vehicle window, vehicular rear mirror and automobile - Google Patents
Light modulation device and application method, production method, vehicle window, vehicular rear mirror and automobile Download PDFInfo
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- CN110456540A CN110456540A CN201910808820.6A CN201910808820A CN110456540A CN 110456540 A CN110456540 A CN 110456540A CN 201910808820 A CN201910808820 A CN 201910808820A CN 110456540 A CN110456540 A CN 110456540A
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- light modulation
- photosensitive
- electric signal
- light
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
- B60J1/00—Windows; Windscreens; Accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/02—Rear-view mirror arrangements
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133509—Filters, e.g. light shielding masks
- G02F1/133512—Light shielding layers, e.g. black matrix
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1339—Gaskets; Spacers; Sealing of cells
- G02F1/13394—Gaskets; Spacers; Sealing of cells spacers regularly patterned on the cell subtrate, e.g. walls, pillars
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
- G02F1/134336—Matrix
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/153—Constructional details
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/153—Constructional details
- G02F1/155—Electrodes
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/153—Constructional details
- G02F1/161—Gaskets; Spacers; Sealing of cells; Filling or closing of cells
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/15—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
- G02F1/163—Operation of electrochromic cells, e.g. electrodeposition cells; Circuit arrangements therefor
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/38—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using electrochromic devices
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- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
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Abstract
The present invention discloses a kind of light modulation device, including photosensitive layer, including multiple photosensitive structures, and the photosensitive structure generates electric signal according to the light intensity of sensing；Light modulation layer, including multiple light modulation structures, wherein projection relation is corresponding two-by-two for the photosensitive structure in light modulation structure and multiple photosensitive structures in the multiple light modulation structure；The variable material layer of light transmittance, including multiple material layers corresponding with light modulation structure；Controller generates control signal according to the electric signal, so that the corresponding light modulation structure of the photosensitive structure for generating the electric signal adjusts the light transmittance of respective material layer.The present invention can accurately judge sunlit position and direction, so that the Pixel-level for realizing light modulation device is adjusted.
Description
Technical field
The present invention relates to intelligent automobile technical field, more particularly to a kind of light modulation device and application method, production method,
Vehicle window, vehicular rear mirror and automobile.
Background technique
During driving a vehicle carriage return, opposite, lateral or back car dazzle is to influence driver and passenger's sight, causes to go
An important factor for vehicle security risk, the dazzle being radiated on vehicle window generate vision dead zone, affect experiencing by bus for passenger, make to take charge of
Machine can not notice condition of road surface, extremely dangerous.
For this problem, there has been proposed many solutions, such as car light is transformed, in addition polarizing film, and wear inclined
Shake glasses etc., but this approach reduces the light transmittance that sight receives light, equally has certain safety hidden in driving at night
Suffer from, with the exploitation of electrochromism and liquid crystal material, occurs realizing the new application that optical fiber is adjusted using dimming glass, it is this kind of
Invention controls the dimming film light transmittance that vehicle window sticks by adjusting input voltage, realizes the light in vehicle window entirety or anti-dazzle region
Line is adjusted, its shortcoming is that vision difference is too big between anti-dazzle region and non-anti-dazzle region, it is same to influence driver to road conditions
Judgement, although and be integrated in a solution light sensor with realize dimming function open automation, it is past
Toward the surrounding for needing to be mounted on glass structure, lack the accurate judgement to strong dazzle irradiation position and direction.
Summary of the invention
The technical issues of to solve proposed in background technique, first aspect present invention proposes a kind of light modulation device, including
Photosensitive layer, multiple photosensitive structures including array arrangement, the photosensitive structure generate telecommunications according to the light intensity of sensing
Number；
Light modulation layer, multiple light modulation structures including array arrangement, wherein light modulation structure in the multiple light modulation structure and
Projection relation is corresponding two-by-two for photosensitive structure in multiple photosensitive structures；
The variable material layer of light transmittance, including multiple material layers corresponding with light modulation structure；
Controller generates control signal, so that generating the photosensitive structure of the electric signal according to the electric signal
Corresponding light modulation structure adjusts the light transmittance of respective material layer.
Optionally, the photosensitive structure is the first TFT structure, including first grid, the first active area, first end and second
End, wherein the first grid connects first grid by first grid polar curve and drives IC, and the first end passes through the first data line
The first source drive IC is connected, second end connects the controller, and first active area is in response to light irradiation and described in generation
Electric signal；
The light modulation structure is the second TFT structure, including second grid, the second active area, third end and the 4th end,
In, the second grid connects second grid by second gate line and drives IC, and the third end is connected by the second data line
Second source drive IC；
The light modulation layer further includes the pixel electrode of public electrode and array arrangement, wherein each pixel electrode with it is corresponding
4th end of the second TFT structure is electrically connected, and fixed current potential is arranged in public electrode, and the material layer is located at the public electrode and picture
Between plain electrode；
Controller identification generates the first data line that the first TFT structure of the electric signal is connected, and according to the
The clock signal of one gate driving IC, which determines, generates the first grid polar curve that the first TFT structure of the electric signal is connected, thus
It determines the position for generating the first TFT structure of the electric signal, and generates institute in the case where the electric signal is more than threshold value
It states control signal and is sent to second grid driving IC and the second source drive IC, so that generating described the of the electric signal
The corresponding second TFT structure conducting of one TFT structure, the driving signal from the second source drive IC are loaded in the pixel
On electrode.
Optionally, the material layer is liquid crystal material layer；
The light modulation device further includes multiple support columns, corresponding with the light modulation structure and photosensitive structure projection relation, will
The material layer separates.
Optionally, material layer light transmittance when not adjusted by corresponding light modulation structure is greater than light transmission when being conditioned
Rate；Or
Material layer light transmittance when not adjusted by corresponding light modulation structure is less than light transmittance when being conditioned.
Optionally, the material layer is electrochromic material layer.
Optionally, the light transmittance of the electrochromic material layer is related to the light intensity of the sensing.
Optionally, further include
Multiple black matrix, it is corresponding with the light modulation structure and photosensitive structure projection relation.
Optionally, first active layer and the first end and second end form Ohmic contact.
Optionally, further include
Amplifying circuit amplifies the electric signal；
Analog to digital conversion circuit, for the electric signal of amplification to be converted to digital signal and is sent to the controller.
Optionally, further include
First transparent substrates, the light modulation structure and pixel electrode of the array arrangement are formed in first transparent substrates
On；
First transparent medium protective layer, covers the light modulation structure and pixel electrode；
Second transparent substrates, the photosensitive structure of the array arrangement are formed in second transparent substrates；
Second transparent medium protective layer, covers the photosensitive structure；
Photic zone covers the second transparent medium protective layer；
Third transparent medium protective layer is formed in second transparent substrates far from the euphotic surface, wherein
The public electrode is formed on the third transparent medium protective layer, and the material layer is arranged in the common electrical
Between pole and the first transparent medium protective layer.
Optionally, further include
First transparent substrates, the public electrode are formed in first transparent substrates；
First transparent medium protective layer, covers the light modulation structure and pixel electrode；
Second transparent substrates, the photosensitive structure of the array arrangement are formed in second transparent substrates；
Second transparent medium protective layer, covers the photosensitive structure；
Photic zone covers the second transparent medium protective layer；
Third transparent medium protective layer is formed in second transparent substrates far from the euphotic surface, wherein
The light modulation structure of the array arrangement and the pixel electrode are formed on the first transparent medium protective layer；
Wherein the material layer is arranged between the public electrode and the third transparent medium protective layer.
Second aspect of the present invention proposes a kind of vehicle window, including the light modulation device, wherein the photosensitive layer is set as court
To the external environment of vehicle, the light modulation layer is provided towards car.
Third aspect present invention proposes a kind of vehicular rear mirror, including
Pedestal；With
The light modulation device, wherein the photosensitive layer is provided towards external environment, and the light modulation layer is provided towards
The pedestal.
Fourth aspect present invention proposes a kind of automobile, including the vehicle window or the rearview mirror.
Fifth aspect present invention proposes a kind of method dimmed using the light modulation device, including
The photosensitive structure senses light intensity simultaneously generates electric signal；
The controller generates control signal according to the electric signal, so that generating the photosensitive knot of the electric signal
The corresponding light modulation structure of structure adjusts the light transmittance of respective material layer.
Optionally, the controller generates control signal according to the electric signal, so that generating the institute of the electric signal
It states the corresponding light modulation structure of photosensitive structure and adjusts the light transmittance of respective material layer and include
The electric signal is compared by the controller with threshold value, if judgement is greater than threshold value, generates the control letter
Number, the corresponding light modulation structure of the photosensitive structure of the electric signal is generated according to the control Signal Regulation respective material layer
Light transmittance.
The production method that sixth aspect present invention proposes a kind of light modulation device, including
Form light modulation layer, multiple light modulation structures including array arrangement；
Photosensitive layer, multiple photosensitive structures including array arrangement are formed, the photosensitive structure is generated according to the light intensity of sensing
Electric signal, wherein photosensitive structure in light modulation structure and multiple photosensitive structures in the multiple light modulation structure projection relation two-by-two
It is corresponding；
Form the variable material layer of light transmittance, including multiple material sections corresponding with light modulation structure；
Controller is set, control signal is generated according to the electric signal, so that generating the described photosensitive of the electric signal
The corresponding light modulation structure of structure adjusts the light transmittance of respective material section.
Beneficial effects of the present invention are as follows:
The present invention has the advantages that definite principle, design are simple, when in use, with array arrangement included by photosensitive layer
Multiple photosensitive structures carry out the sensing of sunlight light intensity respectively, and controller can accurately be determined with the multiple photosensitive of array arrangement
The light intensity that structure senses respectively, and light modulation structure corresponding thereto is controlled to carry out the light transmittance of corresponding material layer
It adjusts, can accurately judge sunlit position and direction, so that the Pixel-level for realizing light modulation device is adjusted.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 shows a kind of structural block diagram of light modulation device of one embodiment of the present of invention proposition；
Fig. 2 shows the structural schematic diagrams of the photosensitive layer in the present embodiment；
Fig. 3 shows the structural schematic diagram of the light modulation layer in the present embodiment；
Fig. 4 shows the schematic diagram of a layer structure of the light modulation device in an embodiment of the present embodiment；
Fig. 5 shows the schematic diagram of a layer structure of the light modulation device in the another embodiment of the present embodiment；
Fig. 6 shows the fabrication processing figure of the light modulation device in the present embodiment；
Fig. 7 is shown between photosensitive structure, controller, light modulation structure, amplifier and analog-digital converter in the present embodiment
Connection schematic diagram；
Fig. 8 shows the workflow schematic diagram of light modulation device；
The schematic diagram that sunlight is radiated at light modulation device surface is shown in Fig. 9；
Figure 10 shows the schematic diagram of the light modulation device after reducing light transmittance.
In figure: 101, the first transparent substrates；102, second grid；103, second insulating layer；104, the second active layer；105,
Third end；106, the 4th end；107, pixel electrode；108, material layer；109, support column；110, the first transparent medium protective layer；
201, the second transparent substrates；202, public electrode；203, first grid；204, the first insulating layer；205, the first active layer；206,
First end；207, second end；208, third transparent medium protective layer；209, black matrix；210, the second transparent medium protective layer；
211, photic zone.
Specific embodiment
In order to illustrate more clearly of the present invention, the present invention is done further below with reference to preferred embodiments and drawings
It is bright.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that institute is specific below
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
The technical issues of to solve proposed in background technique, Fig. 1 show one that one embodiment of the invention proposes
The structural block diagram of kind of light modulation device, as shown in Figure 1, the light modulation device includes: the variable material of photosensitive layer, light modulation layer, light transmittance
The bed of material 108 and controller.
Specifically, in the present embodiment, photosensitive layer includes multiple photosensitive structures of array arrangement, the photosensitive structure according to
Senses light intensity generates electric signal, and light modulation layer includes multiple light modulation structures of array arrangement, wherein in the multiple light modulation structure
Projection relation is corresponding two-by-two for photosensitive structure in light modulation structure and multiple photosensitive structures, and material layer 108 includes and light modulation structure pair
The multiple material layers 108 answered, and controller then generates control signal according to photosensitive layer electric signal generated, so that generating
The corresponding light modulation structure of the photosensitive structure of the electric signal adjusts the light transmittance of respective material layer 108.
It should be noted that the light modulation device in the present embodiment can be used as vehicle window or the vehicular rear mirror of automobile to be made
With the vehicle window of automobile should include: front window, vehicle rear window and the vehicle window of side, the controller can be for data processings
And the device of control function, such as: single-chip microcontroller or processor, since light modulation device is the vehicle window or vehicle-mounted back vision as automobile
Mirror, therefore, user during driving travels, in light modulation device can with multiple photosensitive structures of array arrangement
The light intensity of the sunlight of irradiation on the surface thereof is sensed respectively in different positions, and electric signal is generated according to the light intensity of sensing, and
Controller then generates corresponding control signal according to this electric signal, so that light modulation structure corresponding with photosensitive structure comes
The light transmittance of corresponding material layer 108 is adjusted.
Further, Fig. 2 shows the structural schematic diagram of photosensitive layer, Fig. 3 shows the structural schematic diagram of light modulation layer, and Fig. 4 is shown
The schematic diagram of a layer structure of light modulation device, in Fig. 2, photosensitive layer includes with the photosensitive structure of 4X4 array arrangement, correspondingly, in Fig. 3
In, light modulation layer includes that should be known with the light modulation structure of 4X4 array arrangement, those skilled in the art, the photosensitive knot in the present embodiment
The number of arrays of structure and light modulation structure can voluntarily be set by user, and the present embodiment does not limit this.
In conjunction with shown in Fig. 2 and Fig. 4, the photosensitive structure is the first TFT structure, including first grid 203, first is active
Area, first end 206 and second end 207, wherein the first grid 203 connects first grid by first grid polar curve and drives IC,
The first end 206 connects the first source drive IC by the first data line, and second end 207 connects the controller, and described the
One active area irradiates in response to light and generates the electric signal；
In conjunction with shown in Fig. 3 and Fig. 4, the light modulation structure is the second TFT structure, including second grid 102, second is active
Area, third end 105 and the 4th end 106, wherein the second grid 102 connects second grid by second gate line and drives IC,
The third end 105 connects the second source drive IC by the second data line；
The light modulation layer further includes that the pixel electrode 107 of public electrode 202 and array arrangement (is only labelled with one in Fig. 3
A pixel electrode 107, other pixel electrodes 107 are not labeled), wherein each pixel electrode 107 and corresponding 2nd TFT
4th end 106 of structure is electrically connected, and fixed current potential is arranged in public electrode 202, and the material layer 108 is located at the public electrode
Between 202 and pixel electrode 107；
Controller identification generates the first data line that the first TFT structure of the electric signal is connected, and according to the
The clock signal of one gate driving IC, which determines, generates the first grid polar curve that the first TFT structure of the electric signal is connected, thus
It determines the position for generating the first TFT structure of the electric signal, and generates institute in the case where the electric signal is more than threshold value
It states control signal and is sent to second grid driving IC and the second source drive IC, so that generating described the of the electric signal
The corresponding second TFT structure conducting of one TFT structure, the driving signal from the second source drive IC are loaded in the pixel
On electrode 107.
In the present embodiment, the first end 206 of the first TFT structure is source electrode (or drain electrode), second end 207 be drain electrode (or
Source electrode), correspondingly, the third end 105 of the second TFT structure is source electrode (or drain electrode), the 4th end 106 be drain electrode (or source electrode) due to
The corresponding light modulation structure of photosensitive structure is arranged with array, such as 4X4 array structure in Fig. 2 and Fig. 3
Light modulation device, in photosensitive layer as shown in Figure 2, the first grid 203 of first TFT structure of every a line passes through first grid
Line to drive IC to connect with first grid, and the first end 206 of the first TFT structure of each column is connected by the first data line
First source drive IC, second end 207 connect processor, and for photosensitive layer when being worked, first grid 203 drives IC can be according to
All first TFT structures of the every a line of unlatching of clock signal line by line, processor to receive it is in the open state under first
The electric signal that TFT structure is exported, illustratively, when photosensitive structure does not have illumination, electric signal received by processor is big
It is small for I and when it is a certain arrange certain a line photosensitive structure by illumination when, for example, the 3rd row the 4th column photosensitive structure by illumination
When, when the first active area of the first TFT structure of the 3rd row the 4th column is irradiated by light and generates electric signal, received by processor
The electric signal size that the first TFT structure in a certain column is exported is I+ △ I accordingly, since first grid 203 drives IC meeting
The first TFT structure is opened line by line according to clock signal, therefore processor can judge to be received according to sequential signal at this time
To electric signal size be I+ △ I the first TFT structure be located at which in, simultaneously because the first TFT structure of each column
Second end 207 connect with processor, therefore processor also can determine whether out that received electric signal size is the of I+ △ I
One TFT structure is located in which column, so as to accurately determine the specific location for the first TFT structure irradiated by light,
And when the electric signal that this first TFT structure is generated by senses light intensity is more than threshold value, then illustrate the sunlight that the place is subject to
Exposure intensity it is larger, need to adjust light transmittance herein accordingly, at this moment, controller then generates the control signal
And it is sent to second grid driving IC and the second source drive IC, so that the first TFT structure pair with the generation electric signal
The the second TFT structure conducting answered, and will load from the driving signal of the second source drive IC in the pixel electrode 107
On.
That is, the light modulation device that the present embodiment is proposed is when in use, with array arrangement included by photosensitive layer
Multiple photosensitive structures carry out the sensing of sunlight light intensity respectively, and controller can accurately be determined with the multiple photosensitive of array arrangement
The light intensity that structure senses respectively, and the light modulation structure controlled corresponding thereto carrys out the light transmittance to corresponding material layer 108
It is adjusted, can accurately judge sunlit position and direction, so that the Pixel-level for realizing light modulation device is adjusted.
When the electric signal that one or more senses light intensities in multiple photosensitive structures with array arrangement generate is greater than threshold
When value, then explanation be radiated at this or many places sunlight light intensity it is larger, when as automobile vehicle window or vehicular rear mirror come into
Row is in use, dazzle may be generated, so that user's generation vision dead zone, affects the passenger experience of passenger, make driver can not
Notice condition of road surface, therefore, controller can control light modulation structure corresponding at this or many places to come to corresponding material layer
108 carry out the adjusting of light transmittances, in this way, light modulation device can precision adjust anti-dazzle light area, dazzle and non-glare area it
Between not will form obvious boundary, do not influence observation of the user to external environments such as road conditions, do not influence user to the extraneous ring such as road conditions
The observation in border solves the problems, such as that the eyes are affected by the sunlight, while can alleviate the eye strain of user, improves the safety of driving.
It should be noted that the threshold size in the present embodiment can voluntarily be set by user, the present embodiment to this not
It is specifically limited.
In an optional embodiment of the present embodiment, the material layer 108 is liquid crystal material layer；
The light modulation device further includes multiple support columns 109, corresponding with the light modulation structure and photosensitive structure projection relation,
The material layer 108 is separated.
Specifically, in the present embodiment, material layer 108 is chosen as liquid crystal material layer, multiple support columns 109 can be by liquid crystal material
The bed of material is from being divided into multiple liquid crystal layers with separate space, and the photosensitive knot of multiple support columns 109 and multiple light modulation structures
Structure projection relation is corresponding, and herein, liquid crystal material has the advantages that the response time is fast, in practical application, can be according to liquid crystal
Material corresponding time fast advantage will be made using the light modulation device of liquid crystal material as car windscreen and front window
With when by intense light irradiation, capable of quickly changing the light transmittance of material layer 108, so that reducing sunlight to the eye of driver
Portion's stimulation, improves safety.
Further, the material layer 108 light transmittance when not adjusted by corresponding light modulation structure is greater than when being conditioned
Light transmittance；Or
The material layer 108 light transmittance when not adjusted by corresponding light modulation structure is less than light transmittance when being conditioned.
It should be noted that PSLC liquid crystal material layer or PDLC liquid crystal material layer can be used in the material layer 108 in the present embodiment,
If PSLC liquid crystal material layer, material layer 108, which is understood, keep uniform orientation in no power, device whole clearing,
And liquid crystal molecular orientation can become chaotic after energization reaches certain threshold value, fringe is presented in device, that is to say, that the material
The light transmittance when not adjusted by corresponding light modulation structure of layer 108 is greater than light transmittance when being conditioned；And according to PDLC liquid crystal material
If the bed of material, then when being powered, when no power, then fringe is presented, that is to say, that the material in 108 whole clearing of material layer
The light transmittance when not adjusted by corresponding light modulation structure of the bed of material 108 is less than light transmittance when being conditioned, this scheme is compared to use
For PSLC liquid crystal material layer, energy consumption is relatively higher, but the vehicle window as automobile comes in use, when automobile is when parking, controllably
Light modulation device processed is in obstructed electricity condition, so that material layer 108 is whole to be presented fringe, effectively obstructs external sight,
It is worth with certain security protection.
In another optional embodiment of the present embodiment, the material layer 108 is electrochromic material layer.
Specifically, organic material or inorganic material can be selected in electrochromic material layer, wherein inorganic material may include oxidation
Zinc, tungsten oxide, organic material may include polythiophene class and its derivative, purple Luo Jing class, tetrathiafulvalene, metal phthalocyanine class chemical combination
Object etc..
Further,
The light transmittance of the electrochromic material layer is related to the light intensity of the sensing.
It should be noted that electrochromic material compared to liquid crystal material layer for, response speed is slow, but can be with tune
The light intensity magnitude that optical device is sensed achievees the effect that light transmittance is also gradual change, that is to say, that light modulation device can be according to sensing
Light intensity magnitude different degrees of adjusting is carried out come the light transmittance to electrochromic material layer, in practical applications, can basis
The fade effect of electrochromic material will using electrochromic material light modulation device as rear auto window and rear side window come
It uses, when by strong illumination, the light transmittance of material layer 108 can be adjusted accordingly according to the degree of strong light.
In the example of fig. 4, further include
Multiple black matrix 209, it is corresponding with the light modulation structure and photosensitive structure projection relation.
Specifically, being irradiated by the first active area in the first TFT structure in this present embodiment in response to light and generating electricity
Signal, therefore, therefore, in order to avoid the first TFT structure is influenced when photosensitive by optical noise, in the example of fig. 3, black square
Battle array 209 is corresponding with light modulation structure and photosensitive structure projection relation, so as to be correspondingly improved photosensitive precision.
Further, first active layer 205 forms Ohmic contact with the first end 206 and second end 207.
Specifically, in the present embodiment, the material of the first active layer 205 is photosensitive material, comprising: a-Si, Ge, LTPS with
And n+a-Si, and the two sides heavy doping n+ material of the first active layer 205, such as are as follows: n+a-Si, this design can reduce metal and
The barrier potential difference of semiconductor material provides signal susceptibility.
Further, in a specific embodiment of the present embodiment, as shown in figure 4, the light modulation device further include:
First transparent substrates 101, it is transparent that the light modulation structure and pixel electrode 107 of the array arrangement are formed in described first
On substrate 101；
First transparent medium protective layer 110, covers the light modulation structure and pixel electrode 107；
Second transparent substrates 201, the photosensitive structure of the array arrangement are formed in second transparent substrates 201；
Second transparent medium protective layer 210, covers the photosensitive structure；
Photic zone 211 covers the second transparent medium protective layer 210；
Third transparent medium protective layer 208 is formed in table of second transparent substrates 201 far from the photic zone 211
On face, wherein
The public electrode 202 is formed on the third transparent medium protective layer 208, and the setting of material layer 108 exists
Between the public electrode 202 and the first transparent medium protective layer 110.
Specifically, the first transparent medium protective layer 110, the second transparent medium protective layer 210 in the present embodiment and
Three transparent medium protective layers 208 are mainly used for playing the role of increasing protective to the Global Macros of device, needing to illustrate
It is that in the example of fig. 4, light modulation device further includes the first insulating layer 204 and second insulating layer 103.
In the interchangeable embodiment of one in the present embodiment, as shown in figure 5, the light modulation device further includes
First transparent substrates 101, the public electrode 202 are formed in first transparent substrates 101；
First transparent medium protective layer 110, covers the light modulation structure and pixel electrode 107；
Second transparent substrates 201, the photosensitive structure of the array arrangement are formed in second transparent substrates 201；
Second transparent medium protective layer 210, covers the photosensitive structure；
Photic zone 211 covers the second transparent medium protective layer 210；
Third transparent medium protective layer 208 is formed in table of second transparent substrates 201 far from the photic zone 211
On face, wherein the light modulation structure of the array arrangement and the pixel electrode 107 are formed in the first transparent medium protective layer
On 110；
Wherein the material layer 108 setting the public electrode 202 and the third transparent medium protective layer 208 it
Between.
It should be noted that unlike above-mentioned embodiment, the public electrode 202 in present embodiment is located at the
In one transparent substrates 101.
It should be noted that in the present embodiment, when material layer 108 is selected as liquid crystal material layer, photosensitive structure and tune
Photo structure can be integrated together by Cell technique, form the light modulation device of completion, and Fig. 6 shows light modulation device in the present embodiment
Fabrication processing figure, as shown in fig. 6, firstly, photosensitive structure and light modulation structure can be carried out respectively the first TFT structure and
The processing of second TFT structure completes the second transparent medium protective layer 210 and thoroughly in the first TFT structure side in photosensitive structure
It is overturn after 211 surface treatment of photosphere, then, is carried out in the first transparent substrates 101 far from the side of the first TFT structure
Then the surface treatment of black matrix 209 and the first transparent medium protective layer 110 carries out the sputtering technology of public electrode 202, together
When, the surface treatment of third transparent medium protective layer 208 and support column 109 is carried out in light modulation structure, later using being similar to
The means of display panel Cell technique carry out the perfusion and pairing of liquid crystal material layer, so that photosensitive structure, light modulation structure and liquid
Brilliant material layer forms the light modulation device of a completion；And when material layer 108 is selected as electrochromic material layer, then without using right
The manufacture craft of conjunction can sequentially form light modulation structure, material layer 108 and photosensitive structure in the first transparent substrates 101.
Further, in the present embodiment, further include
Amplifying circuit N amplifies the electric signal；
Analog to digital conversion circuit ADC, for the electric signal of amplification to be converted to digital signal and is sent to the controller.
Specifically, it is illustrative, as shown in fig. 7, the first end of the amplifier N receives the electric signal, the amplification
The second end of device N receives ground voltage, and the first end of the analog-digital converter ADC is electrically connected with the third end of the amplifier N, institute
The second end for stating analog-digital converter ADC is electrically connected with the controller, and the amplifier N is for putting the electric signal
Greatly, amplified electric signal is carried out analog-to-digital conversion by the analog-digital converter ADC, is converted to digital signal and is sent to control
Device.
A kind of vehicle window that second embodiment of the invention proposes, including the light modulation device, wherein the photosensitive layer
It is provided towards the external environment of vehicle, the light modulation layer is provided towards car.
Specifically, in the present embodiment, the outside bad border by the way that photosensitive layer to be provided towards to vehicle can make photosensitive layer just
Facing towards sunniness direction, the light intensity magnitude of sunlight is sensed with this, it should be noted that before vehicle window here should include
Vehicle window, vehicle rear window and the vehicle window of side, and the controller in light modulation device, the first source drive IC, first grid driving
IC, the second source drive IC and second grid driving IC may be provided at the frame of vehicle window.
A kind of vehicular rear mirror that third embodiment of the invention proposes, including
Pedestal；With
The light modulation device, wherein the photosensitive layer is provided towards external environment, and the light modulation layer is provided towards
The pedestal.
Specifically, light modulation device can be fixed on automobile by pedestal, it should be noted that due in vehicular rear mirror
The specific structure of pedestal is the prior art, and therefore, the present embodiment does not repeat them here its specific structure, further, light modulation device
In controller, the first source drive IC, first grid driving IC, the second source drive IC and second grid driving IC can set
It sets at the frame of vehicular rear mirror.
A kind of automobile that 4th embodiment of the invention proposes, including the vehicle window or the rearview mirror.
A kind of method dimmed using the light modulation device that 5th embodiment of the invention proposes, including it is following
Step:
The photosensitive structure senses light intensity simultaneously generates electric signal；
The controller generates control signal according to the electric signal, so that generating the photosensitive knot of the electric signal
The corresponding light modulation structure of structure adjusts the light transmittance of respective material layer 108.
Further, the method also includes:
The controller generates control signal according to the electric signal, so that generating the photosensitive knot of the electric signal
The light transmittance that the corresponding light modulation structure of structure adjusts respective material layer 108 includes
The electric signal is compared by the controller with threshold value, if judgement is greater than threshold value, generates the control letter
Number, the corresponding light modulation structure of the photosensitive structure of the electric signal is generated according to the control Signal Regulation respective material layer
108 light transmittance.
The present embodiment is described further below with reference to practical application scene, Fig. 8 shows the workflow of light modulation device
Schematic diagram, firstly, it is necessary to explanation, the light modulation device in the present embodiment can be used as the vehicle window of automobile or vehicular rear mirror come into
It exercises and uses, when user's driving carries out when driving, illustratively, in Fig. 9 showing sunlight and being radiated at light modulation device on road
Light modulation device has been divided into several lattice, a photosensitive structure has been respectively corresponded in each grid, often by the schematic diagram on surface in Fig. 9
Away from light modulation structure and material layer 108 is correspondingly arranged below a photosensitive structure, as shown in figure 9, sharing six on light modulation device
Place's position (position in Fig. 6 is respectively A, B, C, D, E, F) receives the irradiation of sunlight, then at this moment, in this position at six
Photosensitive structure can then sense the light intensity magnitude of sunlight respectively, and export electric signal corresponding with the light intensity magnitude, telecommunications
Number after amplification and analog-to-digital conversion, obtain digital signal and be sent to controller, and controller then by this digital signal with
Threshold value is compared, and when judging that digital signal is greater than threshold value, is then illustrated, the light intensity that photosensitive structure is sensed is excessive, at this
The sunlight on surface also just excessively dazzling (such as position A and position B in Fig. 6), needs to be adjusted, at this moment, controller is then
Light modulation structure can be output control signals to accordingly, and light modulation structure is based on this control signal also to adjust the saturating of material layer 108
Light rate reduces the light transmittance at the larger position of light intensity, reduces the transmitance of the sunlight of irradiation at this location, and Figure 10 shows reduction
The schematic diagram of light modulation device after light transmittance, in Figure 10, the light transmittance at position A and position B is lowered accordingly, equally
, when digital signal is less than threshold value, then illustrate, sunlight on surface also would not excessively dazzling (such as the position in Figure 10 at this
Set C, position D, position E and position F), in the endurable range of human eye, so that it is in standby light modulation structure,
In this way, light modulation device can precision adjust anti-dazzle light area, not will form obvious boundary between dazzle and non-glare area, no
Observation of the driver and passenger to external environments such as road conditions is influenced, largely ensures traffic safety.
The production method that sixth aspect present invention proposes a kind of light modulation device, comprising the following steps:
Form light modulation layer, multiple light modulation structures including array arrangement；
Photosensitive layer, multiple photosensitive structures including array arrangement are formed, the photosensitive structure is generated according to the light intensity of sensing
Electric signal, wherein photosensitive structure in light modulation structure and multiple photosensitive structures in the multiple light modulation structure projection relation two-by-two
It is corresponding；
Form the variable material layer 108 of light transmittance, including multiple material sections corresponding with light modulation structure；
Controller is set, control signal is generated according to the electric signal, so that generating the described photosensitive of the electric signal
The corresponding light modulation structure of structure adjusts the light transmittance of respective material section.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention may be used also on the basis of the above description for those of ordinary skill in the art
To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is all to belong to this hair
The obvious changes or variations that bright technical solution is extended out are still in the scope of protection of the present invention.
Claims (17)
1. a kind of light modulation device, which is characterized in that including
Photosensitive layer, multiple photosensitive structures including array arrangement, the photosensitive structure generate electric signal according to the light intensity of sensing；
Light modulation layer, multiple light modulation structures including array arrangement, wherein light modulation structure in the multiple light modulation structure and multiple
Projection relation is corresponding two-by-two for photosensitive structure in photosensitive structure；
The variable material layer of light transmittance, including multiple material layers corresponding with light modulation structure；
Controller generates control signal according to the electric signal, so that the photosensitive structure for generating the electric signal is corresponding
Light modulation structure adjust respective material layer light transmittance.
2. light modulation device according to claim 1, which is characterized in that
The photosensitive structure is the first TFT structure, including first grid, the first active area, first end and second end, wherein institute
It states first grid and first grid driving IC is connected by first grid polar curve, the first end connects the first source by the first data line
Pole drives IC, and second end connects the controller, and first active area irradiates in response to light and generates the electric signal；
The light modulation structure is the second TFT structure, including second grid, the second active area, third end and the 4th end, wherein institute
It states second grid and second grid driving IC is connected by second gate line, the third end connects the second source by the second data line
Pole drives IC；
The light modulation layer further includes the pixel electrode of public electrode and array arrangement, wherein each pixel electrode and corresponding second
4th end of TFT structure is electrically connected, and fixed current potential is arranged in public electrode, and the material layer is located at the public electrode and pixel electricity
Between pole；
The controller identification generates the first data line that the first TFT structure of the electric signal is connected, and according to the first grid
The clock signal of pole driving IC, which determines, generates the first grid polar curve that the first TFT structure of the electric signal is connected, so that it is determined that
The position of the first TFT structure of the electric signal is generated, and generates the control in the case where the electric signal is more than threshold value
Signal processed is simultaneously sent to second grid driving IC and the second source drive IC, so that generating described the first of the electric signal
The corresponding second TFT structure conducting of TFT structure, the driving signal load from the second source drive IC is in the pixel electricity
On extremely.
3. light modulation device according to claim 1 or 2, which is characterized in that
The material layer is liquid crystal material layer；
The light modulation device further includes multiple support columns, corresponding with the light modulation structure and photosensitive structure projection relation, will be described
Material layer separates.
4. light modulation device according to claim 3, which is characterized in that
Material layer light transmittance when not adjusted by corresponding light modulation structure is greater than light transmittance when being conditioned；Or
Material layer light transmittance when not adjusted by corresponding light modulation structure is less than light transmittance when being conditioned.
5. light modulation device according to claim 1 or 2, which is characterized in that
The material layer is electrochromic material layer.
6. light modulation device according to claim 5, which is characterized in that
The light transmittance of the electrochromic material layer is related to the light intensity of the sensing.
7. light modulation device according to claim 1, which is characterized in that further include
Multiple black matrix, it is corresponding with the light modulation structure and photosensitive structure projection relation.
8. light modulation device according to claim 2, which is characterized in that
First active layer and the first end and second end form Ohmic contact.
9. light modulation structure according to claim 1, which is characterized in that further include
Amplifying circuit amplifies the electric signal；
Analog to digital conversion circuit, for the electric signal of amplification to be converted to digital signal and is sent to the controller.
10. light modulation device according to claim 2, which is characterized in that further include
First transparent substrates, the light modulation structure and pixel electrode of the array arrangement are formed in first transparent substrates；
First transparent medium protective layer, covers the light modulation structure and pixel electrode；
Second transparent substrates, the photosensitive structure of the array arrangement are formed in second transparent substrates；
Second transparent medium protective layer, covers the photosensitive structure；
Photic zone covers the second transparent medium protective layer；
Third transparent medium protective layer is formed in second transparent substrates far from the euphotic surface, wherein
The public electrode is formed on the third transparent medium protective layer, material layer setting in the public electrode and
Between the first transparent medium protective layer.
11. light modulation device according to claim 2, which is characterized in that further include
First transparent substrates, the public electrode are formed in first transparent substrates；
First transparent medium protective layer, covers the light modulation structure and pixel electrode；
Second transparent substrates, the photosensitive structure of the array arrangement are formed in second transparent substrates；
Second transparent medium protective layer, covers the photosensitive structure；
Photic zone covers the second transparent medium protective layer；
Third transparent medium protective layer is formed in second transparent substrates far from the euphotic surface, wherein described
The light modulation structure of array arrangement and the pixel electrode are formed on the first transparent medium protective layer；
Wherein the material layer is arranged between the public electrode and the third transparent medium protective layer.
12. a kind of vehicle window, which is characterized in that including light modulation device of any of claims 1-11, wherein the sense
Photosphere is provided towards the external environment of vehicle, and the light modulation layer is provided towards car.
13. a kind of vehicular rear mirror, which is characterized in that including
Pedestal；With
Light modulation device of any of claims 1-11, wherein the photosensitive layer is provided towards external environment, described
Light modulation layer is provided towards the pedestal.
14. a kind of automobile, including the vehicle window described in claim 12 or the rearview mirror described in claim 13.
15. a kind of method dimmed using light modulation device described in claim 1-11, which is characterized in that including
The photosensitive structure senses light intensity simultaneously generates electric signal；
The controller generates control signal according to the electric signal, so that generating the photosensitive structure pair of the electric signal
The light modulation structure answered adjusts the light transmittance of respective material layer.
16. according to the method for claim 15, which is characterized in that the controller generates control letter according to the electric signal
Number, so that the light transmittance that the corresponding light modulation structure of the photosensitive structure for generating the electric signal adjusts respective material layer includes
The electric signal is compared by the controller with threshold value, if judgement is greater than threshold value, generates the control signal, raw
At the corresponding light modulation structure of the photosensitive structure of the electric signal according to the light transmission for controlling Signal Regulation respective material layer
Rate.
17. a kind of production method of light modulation device, which is characterized in that including
Form light modulation layer, multiple light modulation structures including array arrangement；
Photosensitive layer, multiple photosensitive structures including array arrangement are formed, the photosensitive structure generates telecommunications according to the light intensity of sensing
Number, wherein photosensitive structure in light modulation structure and multiple photosensitive structures in the multiple light modulation structure projection relation pair two-by-two
It answers；
Form the variable material layer of light transmittance, including multiple material sections corresponding with light modulation structure；
Controller is set, control signal is generated according to the electric signal, so that generating the photosensitive structure of the electric signal
Corresponding light modulation structure adjusts the light transmittance of respective material section.
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| WO2024217378A1 (en) * | 2023-04-19 | 2024-10-24 | 京东方科技集团股份有限公司 | Photosensitive system, dimming system and method, light sensing device, and storage medium |
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