CN109426027A - Display device - Google Patents
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- CN109426027A CN109426027A CN201810113949.0A CN201810113949A CN109426027A CN 109426027 A CN109426027 A CN 109426027A CN 201810113949 A CN201810113949 A CN 201810113949A CN 109426027 A CN109426027 A CN 109426027A
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- 238000001228 spectrum Methods 0.000 claims abstract description 27
- 239000003086 colorant Substances 0.000 claims description 23
- 239000010408 film Substances 0.000 claims description 7
- 239000012788 optical film Substances 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 13
- 238000013461 design Methods 0.000 description 12
- 230000007704 transition Effects 0.000 description 12
- 230000003190 augmentative effect Effects 0.000 description 10
- 230000003287 optical effect Effects 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 239000007787 solid Substances 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 240000007594 Oryza sativa Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000013316 zoning Methods 0.000 description 2
- 244000283207 Indigofera tinctoria Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
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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
- G02F1/133514—Colour filters
-
- 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
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The present disclosure provides a display device. The display device comprises a display panel and a backlight module, wherein the backlight module is arranged corresponding to the display panel. The display panel is provided with a first light-emitting area, the first light-emitting area comprises a first sub-pixel and a second sub-pixel, and the first sub-pixel is adjacent to the second sub-pixel. The backlight module emits a backlight, the backlight has a first frequency spectrum after passing through the first sub-pixel, the backlight has a second frequency spectrum after passing through the second sub-pixel, a peak of the first frequency spectrum corresponds to a first wavelength, a peak of the second frequency spectrum corresponds to a second wavelength, and the difference between the first wavelength and the second wavelength is less than 5 nanometers.
Description
Technical field
The disclosure relates to a kind of display device, and in particular to a kind of display that can be used for adjusting display color
Device.
Background technique
Traditionally, vehicle drive people needs the running information watched and shown on screen of bowing, and is easy to influence driving attention,
Therefore the technology of augmented reality is bound in the human-computer interaction interface of vehicle, and forms Foreupward display apparatus for automobile (head-up
display；HUD) have become each silver-colored electrically research and development trend at present.
But Foreupward display apparatus for automobile or other vehicle displays, because needing under outdoor strong light than general display needs
Higher brightness or chroma, just more consume energy.Other than head up display, other displays that other open airs use, and need
Want higher brightness or chroma.Therefore how promoting display brightness, chroma or reducing energy consumption is one of developing focus.
Summary of the invention
The disclosure relates to a kind of display device.In accordance with an embodiment of the present disclosure, via making single a luminous zone extremely
The light that few two sub-pixels are issued substantially has the design of same color, and the luminous brightness transition rate of display device can
To greatly improve, and allow display device that scheduled display image is presented, and the consumption of display device can be greatly decreased
Energy.
According to an embodiment of the disclosure, a kind of display device is proposed.Display device includes display panel and backlight module,
Backlight module corresponds to display panel setting.Display panel has one first luminous zone, and the first luminous zone includes one first sub-pixel
With one second sub-pixel, the first sub-pixel is adjacent with the second sub-pixel.Backlight module issues a backlight, and backlight passes through the first sub- picture
There is one second frequency spectrum after there is one first frequency spectrum, backlight to pass through the second sub-pixel after element, a wave crest of the first frequency spectrum is corresponding
The difference of one first wave length, the corresponding second wave length of a wave crest of the second frequency spectrum, first wave length and second wave length is received less than 5
Rice.
Detailed description of the invention
For the above objects, features and advantages of the present invention can be clearer and more comprehensible, below in conjunction with attached drawing to tool of the invention
Body embodiment elaborates, in which:
Figure 1A is painted the schematic diagram of the display device according to one embodiment of the disclosure.
Figure 1B is painted the top view of the backlight module according to one embodiment of the disclosure.
Fig. 1 C is painted the top view of the backlight module according to another embodiment of the disclosure.
Fig. 2 is painted the luminous frequency spectrum of the display device according to one embodiment of the disclosure.
Fig. 3 A~Fig. 3 I is painted the schematic diagram of the display device according to some embodiments of the disclosure.
Fig. 4 A is painted the schematic diagram of the predetermined display pattern according to one embodiment of the disclosure.
Fig. 4 B is painted the luminous zone according to one embodiment of the disclosure and the configuration schematic diagram of light tight region.
Fig. 5 A is painted the display device applications by one embodiment of the disclosure in the schematic diagram of augmented reality.
Fig. 5 B is painted the display device applications of one embodiment of the disclosure in another schematic diagram of augmented reality.
Component label instructions in figure:
1,1A, 1B, 1C, 1D, 1E, 1F, 1G, 1H, 1I: display device
10: display panel
20: backlight module
20-1: the first backlight
20-2: the second backlight
21: the first backlight areas
22: the second backlight areas
23: third backlight area
24: the four backlight areas
30: optical film
40: lens jacket
100: the first luminous zones
100P: the first luminous pattern
100-1: the first sub-pixel
100-2: the second sub-pixel
101: the first color sub-blocks
102: the second color sub-blocks
103: third color sub-block
200: the second luminous zones
200P: the second luminous pattern
300: third luminous zone
300P: third luminous pattern
400: dark space
500: light tight region
1001: the first color blocks
1002: the second color blocks
1003: the second color blocks
2001: white light emitting diode
2002:RGB back light source in LED
L1: the first frequency spectrum
L2: the second frequency spectrum
P1, P2: wave crest
Δ λ: difference
Specific embodiment
In accordance with an embodiment of the present disclosure, via the light essence for issuing at least two sub-pixels of single a luminous zone
The upper design with same color, the luminous brightness transition rate of display device can greatly improve, and backlight can be greatly decreased
The original intensity of module, and allow display device that scheduled display image is presented, and display device can be greatly decreased
Energy consumption.
It is to describe embodiment of the disclosure in detail referring to institute's accompanying drawings below.Identical label is to indicate phase in schema
Same or similar part.It is noted that schema is the simplified content for clearly illustrating embodiment with benefit, what embodiment was proposed
By way of example only, the range not to be protected to the disclosure limits thin portion structure.Tool usually intellectual works as can be according to reality
Border state sample implementation needs that these structures are modified or changed.In addition, having can when certain layer is in other layers or substrate "upper"
Can refer to certain layer " direct " on other layers or substrate, or refer to certain layer " indirect " on other layers or substrate, that is, certain layer and
The other layers of sandwiched between other layers or substrate.When certain layer is with other layers or substrate " contact ", it is possible to refer to that certain layer " directly connects
The other layers of touching " or substrate, or refer to certain other layer of layer " mediate contact " or substrate, i.e., between certain layer and other layers or substrate sandwiched its
Its layer.Furthermore ordinal number used in specification and claim is for example " the first ", " the second ", " third " and etc. word, to repair
Adorn claim element, itself and unexpectedly contain and represent the request element have it is any before ordinal number, do not represent a certain yet
The sequence or the sequence in manufacturing method for requesting element and another request element, the use of these ordinal numbers are only used to make to have
One request element of certain name is able to that clear differentiation can be made with another request element with identical name.
Figure 1A is painted the schematic diagram of the display device according to one embodiment of the disclosure, and Figure 1B is painted to be implemented according to the disclosure one
The top view of the backlight module of example, Fig. 1 C are painted the top view of the backlight module according to another embodiment of the disclosure, and Fig. 2 is painted root
According to the luminous frequency spectrum of the display device of one embodiment of the disclosure.As shown in Figure 1A~Fig. 2, display device 1 includes display panel
10 and backlight module 20, the corresponding display panel 10 of backlight module 20 is arranged.Display panel 10 has one first luminous zone 100, the
One luminous zone 100 includes one first sub-pixel 100-1 and one second sub-pixel 100-2, the first sub-pixel 100-1 and the second sub- picture
Plain 100-2 is adjacent.Backlight module 20 issues a backlight, and backlight has one first frequency spectrum L1, back after passing through the first sub-pixel 100-1
Light passes through the corresponding first wave length of a wave crest P1 with one second frequency spectrum L2, the first frequency spectrum L1 after the second sub-pixel 100-2,
The difference DELTA λ of the corresponding second wave length of a wave crest P2 of second frequency spectrum L2, first wave length and second wave length is less than 5 nanometers.
As shown in Fig. 2, may have multiple wave crests in a frequency spectrum, the wave crest of disclosure meaning refers to the tool of the frequency spectrum
There is the wave crest of maximum light intensity.Frequency spectrum in Fig. 2 is by taking white light as an example, and back light other examples may be, for example, red, then its
The wave crest of light source frequency spectrum maximum light intensity then can be located at feux rouges section, such as maximum light intensity wave crest corresponding wavelength be 650
Nanometer (nm).
According to an embodiment of the disclosure, the difference DELTA λ of first wave length and second wave length is equivalent to expression less than 5 nanometers
First wave length and second wave length are substantially the same, therefore indicate from the first sub-pixel 100-1 light issued and from the second sub- picture
The light that plain 100-2 is issued color substantially having the same.
In embodiment, as shown in Figure 1A, the first sub-pixel 100-1 is for example adjacent to the second sub-pixel 100-2, and first is sub
Pixel 100-1 and the second sub-pixel 100-2 belong to the same pixel.In other words, in accordance with an embodiment of the present disclosure, in a pixel
The light color substantially having the same that is issued of adjacent subpixels.
In embodiment, the first luminous zone 100 may include multiple sub-pixels, such as may include at least two sub-pixel 100-1
~100-2.In embodiment as shown in Figure 1A, the first luminous zone 100 (such as is equivalent to two pictures for example including 6 sub-pixels
Element), but the present disclosure is not limited thereto.In accordance with an embodiment of the present disclosure, single a luminous zone (such as first luminous zone 100) is all
The difference of the peak wavelength of the luminous frequency spectrum of sub-pixel is respectively less than 5 nanometers each other, in other words, single a luminous zone (such as first
Luminous zone 100) the light color substantially having the same that is issued of all sub-pixels.
In accordance with an embodiment of the present disclosure, via at least two sons for making single a luminous zone (such as first luminous zone 100)
The light that pixel is issued substantially has the design of same color, and the luminous brightness transition rate of display device can be mentioned substantially
Height, can be greatly decreased the original intensity of backlight module, and allow display device that scheduled display image, and energy is presented
The power consumption of backlight module is enough greatly decreased.
In embodiment, as shown in Figure 1A, backlight module 20 may include one first backlight 20-1 and one second backlight 20-
2, the first backlight 20-1 and corresponding first luminous zone 100 setting of the second backlight 20-2, the first backlight 20-1 and second
Backlight 20-2 has identical luminescent color.For example, as shown in Figure 1A, the first backlight 20-1 and the second backlight 20-2
Issue feux rouges.It may include more pixels and sub-pixel in the first luminous zone 100, that is, first shines in another embodiment
Area 100 may include three or more pixels, or include six or more sub-pixels.Second luminous zone 200 can also adjust with the need
The quantity of whole pixel or sub-pixel.Different luminous zones can have different zones size and pixel quantity.End view design requirement.
As shown in Figure 1A, display device 1 more may include an optical film 30, and optical film 30 is set to display panel 10 and backlight
Between module 20.In some embodiments, optical film 30 may include a brightness enhancement film, a dual brightness enhancement film and a diffusion barrier at least
One of them.Brightness enhancement film can be used to light harvesting, and dual brightness enhancement film can increase light efficiency, and diffusion barrier can be used to improve light intensity equal
Even property.
As shown in Figure 1A, it includes a lens jacket 40 that display device 1 is more alternative, is set on display panel 10.Lens
Layer 40 can be used to form 3-dimensional image or reinforce Deep Canvas.If forming 3-dimensional image, also alternative is in display panel
10 with being arranged metal grating or white light light blocking grid, can also forming 3-dimensional image in this way or reinforcing the depth of field between backlight module 20
Effect.
In some embodiments, backlight module 20 may include multiple backlight areas, for example, at least one first backlight area 21 and one
Two backlight areas 22, the first backlight area 21 and the second backlight area 22 have different luminescent colors.
For example, as shown in Figure 1B (top view that Figure 1B is painted backlight module 20 as shown in Figure 1A), display device 1
Backlight module 20 include at least the first backlight area 21 and the second backlight area 22, such as emitting red light is equipped in the first backlight area 21
Diode is equipped with such as green LED in the second backlight area 22, therefore the first backlight area 21 issues feux rouges, the second backlight
Area 22 issues green light.As shown in Figure 1B, the backlight module 20 of display device 1 can further include third backlight area 23 and/or the 4th back
Light area 24 is equipped with such as blue LED in third backlight area 23, is equipped with for example Yellow luminous two in the 4th backlight area 24
Pole pipe, therefore third backlight area 23 issues blue light, the 4th backlight area 24 issues yellow light.
Also, for example, (Fig. 1 C is painted another implementation different from backlight module 20 as shown in Figure 1A as shown in Figure 1 C
The top view of example), backlight module 20 as shown in Figure 1 C may include the first backlight area 21, the second backlight area 22 and third backlight area
23, it is equipped with such as red light emitting diodes in the first backlight area 21, is equipped with such as green LED in the second backlight area 22,
Such as blue LED is equipped in third backlight area 23, therefore the first backlight area 21 issues feux rouges, the second backlight area 22 hair
Green light out, third backlight area 23 issue blue light.
In other words, according to some embodiments, the backlight module 20 of display device can take subregion to provide different luminescent colors
Design.However, the luminescent color of the backlight module of embodiment, the quantity in backlight area and its pattern are used by way of example only, and
The non-range to be protected to the disclosure limits.
Fig. 3 A~Fig. 3 I is painted the schematic diagram of the display device according to some embodiments of the disclosure, in embodiment with aforementioned reality
Applying the same or similar element of example is to continue to use same or like element numbers, and the related description of same or similar element please join
It states before examination, details are not described herein.
In some embodiments, as shown in Figure 1A, Fig. 3 A~Fig. 3 I, display panel can have more one second luminous zone 200, the
Two luminous zones 200 and the first luminous zone 100 can have identical or different luminescent color；Display panel can be sent out with more a third
Light area 300, third luminous zone 300 and the second luminous zone 200 and/or the first luminous zone 100 can have identical or different shine
Color.In the display device as shown in Fig. 3 A~Fig. 3 I, the first luminous zone 100 and third luminous zone 300 for example respectively include 36
Sub-pixel (3 (sub-pixel pixel) x6 (pixel/row) x2 (row)), the second luminous zone 200 is for example including 72 sub-pixels.In this reality
It applies in example, each visual demand in luminous zone is sized with shape, is not intended to limit in this.
In some embodiments, backlight module may include multiple backlight areas as shown in figure ib or figure 1 c.For example, as schemed
Shown in 3A, Fig. 3 D and Fig. 3 G, backlight module 20A, 20D, 20G of display device 1A, 1D and 1G include as shown in Figure 1 C
One backlight area 21, the second backlight area 22 and third backlight area 23 are equipped with such as red light emitting diodes in first backlight area 21, the
It is equipped with such as green LED in two backlight areas 22, is equipped with such as blue LED in third backlight area 23, therefore
First backlight area 21 issues feux rouges, and the second backlight area 22 issues green light, and third backlight area 23 issues blue light.Therefore, such as Fig. 3 A, figure
Display device shown in 3D and Fig. 3 G is that the color point of display image is determined via the zoning design of backlight module 20A, 20D, 20G
Cloth, and pattern and the brightness of display image are determined via display panel.In this embodiment, backlight module 20A, 20D, 20G's
The visual demand of subregion is sized with shape, is not intended to limit in this.
In some embodiments, backlight module may include the backlight of multiple same colors, e.g. white light emitting diode
2001 or red light emitting diodes.For example, as shown in Fig. 3 B, Fig. 3 E and Fig. 3 H, the backlight of display device 1B, 1E and 1H
Module 20B, 20E, 20H are made of multiple white light emitting diodes, therefore the backlight module of display device 1B, 1E and 1H
20B, 20E, 20H issue white light.Compared to the situation in single backlight including three kinds of color LEDs, wherein three kinds
The light emitting diode of color is required to respectively drive, and the backlight of backlight module 20B, 20E, 20H only include white luminous two pole
Pipe, therefore required driving power is only the former one third.
In some embodiments, backlight module may include multiple RGB (RGB) back light source in LED 2002, such as often
A backlight includes a red light emitting diodes, a green LED and a blue LED.Citing
For, as shown in Fig. 3 C, Fig. 3 F and Fig. 3 I, backlight module 20C, 20F, 20I of display device 1C, 1F and 1I are by multiple RGB
Back light source in LED 2002 is constituted, therefore each back of backlight module 20C, 20F, 20I of display device 1C, 1F and 1I
Light source can independently control its luminescent color.
In some embodiments, display panel 10 may not include chromatic filter layer, therefore the sub-pixel of display panel 10 is shown
The color shown is determined by the backlight design of backlight module 20 completely.For example, it as shown in Fig. 3 A, Fig. 3 B and Fig. 3 C, shows
Display panel 10A, 10B and 10C of showing device 1A, 1B and 1C do not include chromatic filter layer, but adjustable grey scale change.
In some embodiments, the adjacent first sub-pixel 100-1 and the second sub-pixel 100-2 of the first luminous zone 100 can have
There is same color, so-called same color refers to less than 5 nanometers of the peak-peak difference for penetrating frequency spectrum (nm) of its chromatic filter layer.
For example, in an embodiment, display panel may include a chromatic filter layer, and chromatic filter layer corresponds to the first sub-pixel 100-
1 part and corresponding to the second sub-pixel 100-2 part have same color.For example, such as Fig. 3 D, Fig. 3 E and Fig. 3 F institute
Show, the chromatic filter layer of the first luminous zone 100 of display panel 10D, 10E and 1F of display device 1D, 1E and 1F corresponds to the
The part of one sub-pixel 100-1 and part corresponding to the second sub-pixel 100-2 all have red, that is, its red color filter
Less than 5 nanometers of the peak-peak difference for penetrating frequency spectrum (nm) of layer.And the chromatic filter layer of the second luminous zone 200 may be, for example, blue
Color, the chromatic filter layer of third luminous zone 300 may be, for example, green.
In some embodiments, display panel 10 can have chromatic filter layer, and chromatic filter layer may include one first color
Block and one second color block, corresponding first luminous zone 100 setting of the first color block, corresponding second hair of the second color block
Light area 200 is arranged, and different subpixel is corresponded in the first color block can have different colours, corresponding difference in the second color block
Sub-pixel can also have a different colours, thus the grey scale change for display panel of arranging in pairs or groups and the first luminous zone 100 and the can be made
Two luminous zones 200 have different luminescent colors.For example, display device 1G, 1H as shown in Fig. 3 G, Fig. 3 H and Fig. 3 I and
Display panel 10G, 10H and 1I of 1I.
Therefore, as shown in Figure 3A, the backlight module 20A of display device 1A collocation has the backlight subarea of different colours, because
This display device 1A can be designed according to backlight area and display color effect is presented.In one embodiment, display panel 10 does not include colour
Filter layer, backlight module 20A have multiple backlight areas, and the first luminous zone 100 corresponds to the first backlight area 21, the second luminous zone
200 correspond to the second backlight area 22, then have different luminescent colors based on the first backlight area 21 and the second luminous zone 22, so that the
One luminous zone 100 and the second luminous zone 200 have different luminescent colors.
As shown in Figure 3B, the backlight module 20B of display device 1B collocation has monochromatic backlight, so according to backlight face
Color and show gray scale picture.For example, display panel 10B does not include chromatic filter layer, and backlight module 20B is sent out by multiple white lights
Optical diode constitutes therefore only issues white light, so that the first luminous zone 100 and the second luminous zone 200 luminous face having the same
Color.
As shown in Figure 3 C, display panel 10C does not include chromatic filter layer, and the backlight module 20C of display device 1C collocation
Including the multiple RGB back light source in LED 2002 that can be controlled respectively, therefore display device 1C can be according to the hair of backlight module 20C
Light color and more fine and smooth color and change in pattern is presented.
For example, as shown in Fig. 3 D, Fig. 3 E and Fig. 3 F, chromatic filter layer may include the first color block 1001, second
Color block 1002 and third color block 1003, the first color block 1001, the second color block 1002 and third color area
Block 1003 respectively corresponds the first luminous zone 100, the second luminous zone 200 and third luminous zone 300 and is arranged.In embodiment, the first face
Color block 1001 for example with red, the second color block 1002 for example with green, third color block 1003 for example with
Blue, thus can make the first luminous zone 100, the second luminous zone 200 and third luminous zone 300 that there is different luminous face
Color.In another embodiment, quantum dot can be also added in chromatic filter layer, the incident light for entering chromatic filter layer can be converted into it
The emergent light of his color.
As shown in Figure 3D, the backlight module 20D of display device 1D collocation has the backlight subarea of different colours, display device
The chromatic filter layer of 1D may include the first color block 1001, the second color block 1002 and third color block 1003, and carry on the back
Optical module 20D has multiple backlight areas, and the first luminous zone 100 corresponds to the first backlight area 21, and the second luminous zone 200 corresponds to the
The light in two backlight areas 22, the first backlight area 21 can be using color block, so that color more purifies or change into other colors.
As shown in FIGURE 3 E, the backlight module 20E of display device 1E collocation has monochromatic backlight (such as multiple white lights hair
Optical diode 2001), the chromatic filter layer of display device 1E may include the first color block 1001,1002 and of the second color block
Third color block 1003, the first color block 1001, the second color block 1002 and third color block 1003 respectively correspond
First luminous zone 100, the second luminous zone 200 and third luminous zone 300 are arranged, and the light of backlight module 20E passes through each color
Block, and make the first luminous zone 100, the second luminous zone 200 and third luminous zone 300 that there is different luminescent colors.
As illustrated in Figure 3 F, the backlight module 20E of display device 1F collocation includes the multiple RGB light-emitting diodes that can be controlled respectively
Pipe backlight 2002, the chromatic filter layer of display device 1F may include the first color block 1001,1002 and of the second color block
The light of third color block 1003, each RGB back light source in LED 2002 of backlight module 20E passes through each color area
Block, so that color more purifies or change into other colors.
As shown in Figure 3 G, the backlight module 20G of display device 1G collocation has the backlight subarea of different colours, display device
The chromatic filter layer of 1G may include multiple first color sub-blocks 101, the second color sub-block 102 and third color sub-block
103, each first color sub-block 101, the second color sub-block 102 and third color sub-block 103 respectively correspond a hair
Three sub-pixels of a pixel in light area, such as 101, second color sub-blocks 102 of a first color sub-block
Three sub-pixels of a pixel in the first luminous zone 100 are respectively corresponded with a third color sub-block 103.Each backlight
The light in area (such as first backlight area 21) can be using sub-color block, so that color more purifies or change into other colors.
As shown in figure 3h, the backlight module 20H of display device 1H collocation has monochromatic backlight (such as multiple white lights hair
Optical diode 2001), the chromatic filter layer of display device 1H may include multiple pixel respectively corresponded in a luminous zone
Three sub-pixels the first color sub-block 101, the second color sub-block 102 and third color sub-block 103, backlight module
The light of 20H passes through each sub-color block, therefore display device 1H can be presented more according to the configuration of each sub-color block
Fine and smooth color and change in pattern.
As shown in fig. 31, the backlight module 20I of display device 1I collocation includes the multiple RGB light-emitting diodes that can be controlled respectively
Pipe backlight 2002, the chromatic filter layer of display device 1I may include multiple pixel respectively corresponded in a luminous zone
The first color sub-block 101, the second color sub-block 102 and the third color sub-block 103 of three sub-pixels, backlight module
The light of each RGB back light source in LED 2002 of 20I passes through each sub-color block, therefore display device 1I can be according to each
The configuration of a sub-color block and more fine and smooth color and change in pattern is presented.
The component type and display characteristic of the display device of the embodiment of above-mentioned Fig. 3 A~Fig. 3 I are listed with table 1~2 below.
In table 1, " Bar " indicates the backlight module with multiple backlight areas, what " W " expression was made of white light-emitting diode
Backlight module, " RGB " indicate that the backlight module being made of RGB light emitting diode, " N/A " indicate that display panel is not equipped with colour
Filter layer, " CF Bar " indicate that the chromatic filter layer of display panel has the color block of multiple and different colors, " CF RGB " table
Show that corresponding three sub-pixels are respectively provided with the chromatic filter layer of three kinds of different colours, " X " indicates the display image of the display device
Tone/pattern can not arbitrarily adjust, " Δ " indicate the display device display image tone/pattern have adjustment space, "
Zero " indicates that tone/pattern of the display image of the display device can be adjusted arbitrarily, and opaque area should be preferably arranged in " ˇ " expression
Domain (explanation of A~4B referring to figure 4.), " (optional) " expression are optionally arranged or are not provided with light tight region, "
X3 " indicates that its three-dimensional resolution is 3 times of " X1 ".
Table 1
In table 2, " white light power " indicates the white luminous normalized power of the presentation of display device, and " coloured light power " indicates
The luminous normalized power of the presentation non-white of display device, " brightness transition rate " indicate the light emission luminance of display device divided by back
The ratio for the brightness that optical module issues, for example, the brightness that backlight module issues is 10000 nits (nit), then brightness
The light emission luminance for the display device that conversion ratio is 5% is 10000 nit x5%=500 nits.
Table 2
As shown in 1~table of table 2, in the embodiment of Fig. 3 C, Fig. 3 F and Fig. 3 I, divided using RGB light emitting diode as backlight
Not Da Pei color block without chromatic filter layer, with several different colours chromatic filter layer and with common
The display panel of RGB color filter layer, wherein at least two sub-pixel institutes of single a luminous zone (such as first luminous zone 100)
The light of sending color substantially having the same, it can be seen that since the common RGB color filter layer of Fig. 3 I only allows one
The light of 1/3 solid color of pixel passes through, and the color block of the chromatic filter layer of Fig. 3 F can allow the complete of a pixel
The light of the solid color in portion passes through, therefore the light conversion efficiency of the light of solid color can be promoted to 9% from 3%.If completely
It is not provided with chromatic filter layer, then is further reduced absorption of the light by chromatic filter layer, therefore light conversion efficiency can be from Fig. 3 F
9% be promoted to the 10.8% of Fig. 3 C.Therefore, it can be seen that by the above results, chromatic filter layer is set to no and its color
The design of block clearly affects the brightness transition rate of the backlight of backlight module.
As shown in 1~table of table 2, in the embodiment of Fig. 3 B, Fig. 3 E and Fig. 3 H, divided using white light-emitting diode as backlight
Not Da Pei color block without chromatic filter layer, with several different colours chromatic filter layer and with common
The display panel of RGB color filter layer, wherein at least two sub-pixel institutes of single a luminous zone (such as first luminous zone 100)
The light conversion efficiency of the light of sending color substantially having the same, the light of solid color is promoted to Fig. 3 E from the 5% of Fig. 3 H
15%, and be further promoted to the 18% of Fig. 3 B.Also, the light of the solid color of the embodiment of Fig. 3 B, Fig. 3 E and Fig. 3 H
Brightness transition rate be corresponding Fig. 3 C, Fig. 3 F and Fig. 3 I embodiment solid color light brightness transition rate 1.66
Times, this is because required for the backlight of power ratio RGB light emitting diode required for the backlight of white light emitting diode
Power is low.Therefore, it can be seen that by the above results, the design in type of backlight used by backlight module and its backlight area is apparent
Ground affects the brightness transition rate of the backlight of backlight module.
In some embodiments, the image that the display device of the disclosure for example can be applied to automobile-used display augmented reality image is thrown
Penetrate display or display that other open airs use.The light emission luminance of the display screen of general computer or mobile phone is about 500 Buddhist nuns
Spy, in contrast, the display light emission luminance of the image projection display of automobile-used display augmented reality image then need about 12000 Buddhist nuns
It is special.Therefore, in accordance with an embodiment of the present disclosure, via at least two sons for making single a luminous zone (such as first luminous zone 100)
The light that pixel is issued substantially has a design of same color, and brightness transition rate is improved from 3% to 9% or even 10.8%,
The original intensity for being then equivalent to backlight module can decline 3 times to 3.6 times, such as can be from 400000 (12000/0.03) nits
111111 nits (12000/0.108) is dropped to, equal to the original intensity for the backlight module that can reduce 73%, is equivalent to reduction
The power consumption of 73% backlight module.Therefore, the display device applications of the disclosure are in the image of automobile-used display augmented reality image
Projection display has the advantages that the amount of saving energy.
As shown in 1~table of table 2, in the embodiment of Fig. 3 A, Fig. 3 D and Fig. 3 G, to make with the backlight module in multiple backlight areas
The chromatic filter layer and tool for the color block arranged in pairs or groups respectively for backlight without chromatic filter layer, with several different colours
There is the display panel of common RGB color filter layer, the light conversion efficiency of the light of solid color is promoted to Fig. 3 D from the 3% of Fig. 3 G
9%, and be further promoted to the 10.8% of Fig. 3 A.
It can be seen that according to the result of 1~table of table 2, in the embodiment of Fig. 3 A, Fig. 3 B and Fig. 3 C, although Fig. 3 A and Fig. 3 B's is aobvious
Showing device is because be not provided with chromatic filter layer, so that it shows that tone/pattern of image is substantially only capable of with backlight module both
Some backlight colors are consistent with zoning design, but the backlight module of the display device of the embodiment of Fig. 3 A, Fig. 3 B and Fig. 3 C is equal
With quite high brightness transition rate, have the advantages that save power.
It can be seen that according to the result of 1~table of table 2, in the embodiment of Fig. 3 D, Fig. 3 E and Fig. 3 F, although because being provided with colour
Filter layer, so that the brightness transition rate of embodiment of its brightness transition rate lower than Fig. 3 A, Fig. 3 B and Fig. 3 C, but via suitably taking
The type of backlight of color block and backlight module with chromatic filter layer, and the color and figure of predetermined display image can be cooperated
Case design, can achieve the display effect with good tone and pattern.
Fig. 4 A is painted the schematic diagram of the predetermined display pattern according to one embodiment of the disclosure, and Fig. 4 B is painted according to the disclosure one
The luminous zone of embodiment and the configuration schematic diagram of light tight region.It is with the same or similar element of previous embodiment in embodiment
Continue to use same or like element numbers, and the related description of same or similar element please refers to aforementioned, details are not described herein.
As shown in Figure 4 A, in an embodiment, predetermined display pattern has the first luminous zone 100 that green is presented, indigo plant is presented
Second luminous zone 200 of color, the third luminous zone 300 that yellow is presented and the dark space 400 that black is presented, each luminous zone Dou Bao
Include multiple pixels, and the first luminous zone 100 and the second luminous zone 200 be of approximately it is T-shaped.However, in some embodiments,
After light issues from backlight module 20 and passes through diffusion barrier, the light of corresponding each pixel by diffusion and may with it is corresponding neighbouring
Pixel light occur light mixing, leading to the boundary of two adjacent luminous zones, there may be colour mixture or pattern boundaries are fuzzy and right
Than bad situation.
According to some embodiments of the present disclosure, as shown in Figure 4 B, between the first luminous zone 100 and the second luminous zone 200 with
One light tight region 500, which is separated, to come.In other words, the first luminous zone 100 is not directly adjacent to the second luminous zone 200, and
It is to be spaced to come with light tight region 500.For example, as shown in Figure 4 B, the first luminous zone has the first luminous pattern originally
100P, the second luminous zone has the second luminous pattern 200P originally, in the first luminous pattern 100P and the second luminous pattern 200P
Two pixels of intersection are replaced light tight region 500.
It still further, as shown in Figure 4 B, can also be with impermeable between the first luminous zone 100 and third luminous zone 300
Light region 500, which is separated, comes, between the second luminous zone 200 and third luminous zone 300 can also with light tight region 500 that
This separates, and for example, as shown in Figure 4 B, third luminous zone has third luminous pattern 300P originally, shines first
Four pixels of pattern 100P and third luminous pattern 300P intersection are replaced light tight region 500, in the second illuminated diagram
Four pixels of case 200P and third luminous pattern 300P intersection are replaced light tight region 500.In this way, can keep away
The boundary for exempting from two adjacent luminous zones obscures there may be colour mixture or pattern boundaries and compares bad situation.
In embodiment, light tight region 500 can be a light shield layer or multiple sub-pixels with dark-state.For example,
In some embodiments, when luminous pattern is fixed, light tight region can be the shading being arranged in display panel
Layer (such as black matrix").For example, in some other embodiments, when luminous pattern can be converted according to the demand of user
When adjustment, light tight region be can be via the sub-pixel with dark-state formed in display panel via control liquid crystal.
Fig. 5 A is painted the display device applications of one embodiment of the disclosure in the schematic diagram of augmented reality, and Fig. 5 B is painted this
Another schematic diagram of the display device applications in augmented reality of one embodiment is disclosed.Or phase identical as previous embodiment in embodiment
As element be continue to use same or like element numbers, and the related description of same or similar element please refer to it is aforementioned, herein
It repeats no more.
As shown in Figure 5A, by the display device applications of an embodiment of the disclosure in the shadow of automobile-used display augmented reality image
When as projection display, the image that display device 1 issues can form mirror image and show via the refraction and reflection of windshield 610
Device 620, and the virtual image 640 that human eye 630 is seen is formed in turn.The distance between human eye 630 and windshield 610 D1
About such as 0.7 meter, about such as 0.3 meter of the distance between windshield 610 and mirror image display device 620 D2, and virtual shadow
As the distance between 640 and mirror image display device 620 D3 approximately are less than 1 meter.
As shown in Figure 5 B, by an embodiment display device applications of the disclosure in the image of automobile-used display augmented reality image
When projection display, the setting that can further arrange in pairs or groups expands projecting optical device (Enlarging projection optics)
650, expand the display surface setting that projecting optical device 650 corresponds to display device 1.The image that display device 1 issues first passes through
The processing for expanding projecting optical device 650 can form mirror image display device then via the refraction and reflection of windshield 610
620, and the virtual image 640 that human eye 630 is seen is formed in turn.The distance between human eye 630 and windshield 610 D1 are about
Such as 0.7 meter, it about such as 1.5~2 meters of the distance between windshield 610 and mirror image display device 620 D2, is thrown through expanding
The setting of shadow Optical devices 650 makes the distance between virtual image 640 and mirror image display device 620 D3 about to lengthen to be 30
Rice.
Although the present invention is disclosed as above with preferred embodiment, however, it is not to limit the invention, any this field skill
Art personnel, without departing from the spirit and scope of the present invention, when can make a little modification and perfect therefore of the invention protection model
It encloses to work as and subject to the definition of the claims.
Claims (10)
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| CN112987333A (en) * | 2019-12-18 | 2021-06-18 | 群创光电股份有限公司 | Electronic device |
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