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CN102402095A - Reflective display device with light compensation module - Google Patents

Reflective display device with light compensation module Download PDF

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Publication number
CN102402095A
CN102402095A CN2011103430277A CN201110343027A CN102402095A CN 102402095 A CN102402095 A CN 102402095A CN 2011103430277 A CN2011103430277 A CN 2011103430277A CN 201110343027 A CN201110343027 A CN 201110343027A CN 102402095 A CN102402095 A CN 102402095A
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China
Prior art keywords
light
light source
display device
red
green
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CN2011103430277A
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Chinese (zh)
Inventor
何宪龙
林久雄
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Priority to CN2011103430277A priority Critical patent/CN102402095A/en
Publication of CN102402095A publication Critical patent/CN102402095A/en
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Abstract

一种具有光补偿模组的反射型显示装置，包括一导光板，至少一个光源模组，所述光源模组至少包括红色、绿色、蓝色三种光源；一光传感器单元，一处理单元，以及一存储单元存储有一预设标准白光的红绿蓝三基色光强度比例参数。光传感器单元侦测环境光中红绿蓝三基色光的强度并转换为相应电信号输出至处理单元，处理单元根据该电信号确定三基色光的强度比例，并将该强度比例与预设的强度比例参数进行比较，确定环境光中红绿蓝三基色光中任一种光的强度低于预设的强度比例参数时，处理单元开启光源模组中的对应颜色的发光光源。光源模组发出的对应颜色的光线补偿了环境光中红绿蓝三基色光的强度比例，提高了反射型显示装置颜色显示效果。

A reflective display device with a light compensation module, comprising a light guide plate, at least one light source module, the light source module includes at least three light sources of red, green, and blue; a light sensor unit, a processing unit, And a storage unit stores a preset standard white light intensity ratio parameter of red, green and blue three primary colors. The light sensor unit detects the intensity of the three primary colors of red, green, and blue light in the ambient light and converts them into corresponding electrical signals and outputs them to the processing unit. The processing unit determines the intensity ratio of the three primary colors according to the electrical signal, and compares the intensity ratio with the preset Intensity ratio parameters are compared, and when the intensity of any one of the three primary colors of red, green, and blue light in the ambient light is determined to be lower than the preset intensity ratio parameter, the processing unit turns on the light source of the corresponding color in the light source module. The light of the corresponding color emitted by the light source module compensates the intensity ratio of the three primary colors of red, green and blue light in the ambient light, and improves the color display effect of the reflective display device.

Description

Reflection display device with light compensation module
Technical field
The present invention relates to a kind of reflection display device, relate in particular to a kind of reflection display device with light compensation module.
Background technology
Reflection display device for example electrophoresis-type Electronic Paper, cholesteric liquid crystal electronic paper, electric wetting Electronic Paper, have based on interfere type display screen of MEMS (MEMS) etc. and not need back lighting; Bistable state; The advantage of low energy consumption, so reflection display device is applied in the portable electric appts such as display, portable computer, PDA, E-book reader widely.Cholesteric liquid crystal electronic paper and interfere type display screen can carry out colour and show; And black and white formula electrophoretic electronic paper also can carry out colour mixture through adopting colour particles (RGB/YMC) colour mixture principle; Realize colored the demonstration, perhaps being utilized in increases colorful filter structure on the Electronic Paper of black and white and carries out full-colorization demonstration.
The demonstration of reflection display device depends on the environment reflection of light, and usually, the quality of surround lighting has determined the display quality of reflection display device.When the luminance shortage of surround lighting or misalignment are big; Can directly influence the colored display quality of reflection display device; For example at night the time, when illuminating lamp was the sodium vapor lamp that emits beam yellow partially, the picture display effect of emissivity display device was yellow partially; Perhaps when illuminating lamp be send red light neon lamp the time, the display effect of picture is red partially.
Summary of the invention
In view of this, the present invention provides a kind of reflection display device with light compensation module.
A kind of reflection display device with light compensation module comprises display layer, and
One LGP is arranged at said display layer top, and said LGP comprises away from the display layer first surface, near the second surface of display layer and the side that connects first surface and second surface;
At least one light source module is arranged on the side of LGP, and said light source module comprises the illuminating source of redness, green, blue three kinds of colors at least;
One light, be used for detecting surround lighting the red-green-blue light intensity;
One processing unit; And
One storage unit stores the red-green-blue light intensity ratio parameter of a preset standard white light;
Light detecting obtains in the surround lighting red-green-blue light intensity and converts corresponding electric signal into exporting processing unit to; Processing unit is confirmed red-green-blue light intensity ratio according to this electric signal; And the red-green-blue light intensity scale parameter of the red-green-blue light intensity ratio that obtains with preset standard white light compared; When confirming that any light intensity ratio is lower than preset intensity parameter in the red-green-blue light in the surround lighting, processing unit is opened the illuminating source of the corresponding color in the light source module.
The light of the corresponding color that the light source module sends incides LGP inside from the LGP side, then behind interreflection between the upper and lower surfaces of LGP uniform irradiation to display layer.The light compensation of corresponding color red-green-blue light intensity ratio in the surround lighting, make surround lighting more approach white light, improved reflection display device color display effect.
Description of drawings
Fig. 1 is the cross sectional representation of the reflection display device with light compensation module of first embodiment of the invention.
Fig. 2 is the xsect index path of display layer of the reflection display device with light compensation module of first embodiment of the invention.
Fig. 3 is the light compensation module structural representation of the reflection display device with light compensation module of first embodiment of the invention.
Fig. 4 is the module map of the reflection display device with light compensation module of first embodiment of the invention.
Fig. 5 is the xsect light path synoptic diagram of the reflection display device with light compensation module of first embodiment of the invention.
Fig. 6 is the light compensation module structural representation that has the reflection display device of light compensation module in the second embodiment of the invention.
Fig. 7 is the light compensation module structural representation of the reflection display device with light compensation module of third embodiment of the invention.
Fig. 8 is the light compensation module structural representation of the reflection display device with light compensation module of four embodiment of the invention.
Fig. 9 is the light compensation module structural representation of the reflection display device with light compensation module of fifth embodiment of the invention.
The main element symbol description
Reflection display device 100
Display layer 10
Optical resonant cavity 11
Film 12
Reflectance coating 13
Cavity 14
Sept 15
Light compensation module 110、120、130、140
LGP 200、220、230、240
First surface 201
Second surface 202
The side 203
Incident area 23、223
The light source module 31、321、322、331、341、342
Light 511、521、531、541
Processing unit 60
Highly reflecting films 71、72
Storage unit 80
First diagonal angle 221
Second diagonal angle 222
First drift angle 231、241
Second drift angle 232、242
The 3rd drift angle 233、243
The 4th drift angle 244
Scanning reflection mirror 421、422
First scanning reflection mirror 431、441、443
Second scanning reflection mirror 432、442、444
Following embodiment will combine above-mentioned accompanying drawing to further specify the present invention.
Embodiment
Please refer to Fig. 1, be the structural representation that light compensates the reflection display device 100 of module that has of first embodiment of the invention.Reflection display device 100 comprises display layer 10, LGP 200 and power supply (not shown).In the first embodiment, display layer 10 is the interference tuner-type display screen based on MEMS (MEMS).
Please refer to Fig. 2, be the xsect index path of display layer 10.Display layer 10 is by a plurality of optical resonant cavitys 11, and each optical resonant cavity 11 comprises an Immobile film 12, deformable reflectance coating 13 and cavity 14.Separate through a plurality of septs 15 between film 12 and the reflectance coating 13, thereby form cavity 14.The incident light that incides each optical resonant cavity 11 reflects away from the film 12 at top and the reflectance coating 13 of bottom, makes the phase shift wavelength optionally strengthen specific color.The height of cavity 14 is d; If being the incident ray of λ, a certain wavelength satisfies formula 2d=N λ; Then the light of this wavelength interferes mutually long and is reinforced, and makes these cavity 14 main light that show this kind wavelength after the film 12 through the top and reflectance coating 13 reflections of bottom; Satisfy formula 2d=(2N+1) λ if a certain wavelength is the incident ray of λ, then the incident ray of this wavelength interferes mutually and disappears, and makes this cavity 14 offset not display color after the film 12 through the top and reflectance coating 13 reflections of bottom.Control the height d that deformable reflectance coating 13 changes cavitys 14, then can optionally control RGB three primary colours light in a kind of generation constructive interference, destructive interference then takes place in all the other.Each pixel can be made up of three optical resonant cavitys 11; Control the housing depth d of three optical resonant cavitys 11 of corresponding pixel points respectively according to displaying contents; Make it carry out constructive interference, and then carry out colour mixture, realize colored the demonstration by three primary colours light to red, green or blue three primary colours light.For example; Make three optical resonant cavitys 11 of a pixel carry out constructive interference to red, red, green respectively; Thereby make these three optical resonant cavitys 11 present redness, redness, green respectively, this pixel appears by the color red, red, that green is mixed out.
Obviously, in other embodiments, this display layer 10 can be for comprising the structure of optical filter and electrophoresis layer.
LGP 200 is arranged at the top of said display layer 10, said LGP 200 comprise away from the first surface 201 of display layer 10 with near the second surface 202 of display layer 10 and the side 203 that is connected first surface 201 and second surface 202.LGP 200 can be selected the plastic base of glass substrate or high transmission rate as required for use, and the LGP 200 that this embodiment is selected for use is made for polymethylmethacrylate (PMMA) material.
Please refer to Fig. 3; Compensate the synoptic diagram of module 110 for the light of using in the reflection display device 100; In the light compensation module 110 that this embodiment provides, LGP 200 is a rectangular parallelepiped, and at least one side 203 of LGP 200 is provided with light source module 31; In this embodiment, this light source module 31 is for sending the LED lamp group of redness (R), green (G), blue (B) and white (W) four kinds of color light.In the first embodiment, four sides 203 of LGP 200 are equipped with a plurality of light source modules 31, and light source module 31 is connected with power supply (scheming not shown).Light compensation module 110 also comprises light 511, and in this embodiment, light 511 is arranged on the side of LGP 200.Be coated with highly reflecting films 71 in the side of LGP 200, these highly reflecting films 71 are provided with a plurality of incident areas 23, and light source module 31 emits beam and goes into to inject LGP 200 inside from said incident area 23.
Please refer to Fig. 3, in this embodiment, light 511 can adopt BiCMOS (bipolar complementary metal oxide semiconductor) color sensor, and it can selectivity must detect the intensity of the light of some specific wavelength.Existing BiCMOS color sensor; The bipolar CMOS color sensor that is applied to TFT liquid crystal module white balance and color control is arranged; This bipolar CMOS color sensor comprises the film-type photodiode that three vertical stackings are arranged, and is followed successively by blue colour photodiode, green photodiode and red photodiode from top to bottom.In this embodiment, this light 511 be used for detecting surround lighting in the light intensity of three kinds of different wave lengths of RGB.
Light 511 can be integrated on the display layer 10 through adopting film printing technology, manufacture of semiconductor or micro electronmechanical processing procedure.Concrete can adopt film printing technology, manufacture of semiconductor or micro electronmechanical processing procedure are accomplished the making of circuit layer and photoinduction layer etc. successively on the surface of display layer 10, form one or more light sensing unit at display layer 10.
Please refer to Fig. 4, in this embodiment, reflection display device 100 also comprises a storage unit 80 and a processing unit 60, and this storage unit 80 is used to store the red-green-blue light intensity scale parameter of a preset standard white light.Usually green brightness is 69% in light, and red brightness is 21%, and blue brightness is 10% o'clock, and what human eye was felt after the colour mixture is pure white, and the red-green-blue light intensity scale parameter of said preset standard white light may be defined as 69:21:10.In other embodiments, the three primary colours light that also can define same intensity mixes, and promptly red-green-blue light intensity ratio is the red-green-blue light intensity scale parameter of preset standard white light for the mixed light of 1:1:1.
Please in the lump with reference to figure 5, the electric signal that light 511 detectings obtain the light intensity of three kinds of different wave lengths of RGB and convert varying strength into exports processing unit 60 to, and processing unit 60 is confirmed RGB three primary colours light intensity ratio according to corresponding electric signal.Processing unit 60 compares the RGB three primary colours light intensity that obtains than the RGB three primary colours light intensity scale parameter with the preset standard white light, confirm in the surround lighting that which kind of light intensity ratio in the RGB three primary colours light is lower than the red-green-blue light intensity scale parameter of preset standard white light.On the low side with ruddiness ratio in the surround lighting is example, and the RGB three primary colours light intensity distribution proportion of the preset standard white light of storage is 1:1:1 in the storage unit 80, and RGB three primary colours light intensity distribution proportion is 10%, 20% and 20% in the surround lighting.Processing unit 60 confirms that according to corresponding electric signal the light intensity ratio of RGB is 1:2:2; Warp is compared with the RGB three primary colours light intensity scale parameter 1:1:1 of preset standard white light and is drawn red light intensity ratio deficiency; Be lower than preset intensity, the red LED that processing unit 60 is opened in the light source module 31.The red light that light source module 31 sends incides the inside of LGP 200 from the incident area 23 of LGP 20 sides, then interreflection between the upper and lower surfaces of LGP 200 or through more than 71 reflection back of highly reflecting films uniform irradiation to display layer 10.The red light that light source module 31 sends has compensated ruddiness ratio in the surround lighting, makes environment more approach white light, has improved reflection display device 100 color display effects.
Processing unit 60 can also be judged the environment light intensity with the corresponding electric signal of rgb light intensity according to what light 511 was sent.The mean value of processing unit 60 judges rgb light intensity that concrete can be confirms that this ambient light intensity is lower during less than a preset value; When perhaps processing unit 60 judges that intensity is the strongest in the rgb lights a kind of light intensity is less than a preset value, confirm that this ambient light intensity is lower.When processing unit 60 confirms that the current environment light intensity is low, open the White LED in the light source module 31.The white light that light source module 31 sends incides the inside of LGP 200; Reflect the back uniform irradiation for more than 71 time to display layer 10 at interreflection between the upper and lower surfaces of LGP or through highly reflecting films then; Thereby be implemented in ambient light intensity when on the low side, reflection display device 100 played the effect of floor light.
In other embodiments, light 511 comprises that also one is used to detect the white light sensor (scheming not shown) of ambient light intensity, and this white light sensor converts the current environment light intensity into electric signal, and is sent to processing unit 60.Processing unit 60 is judged the environment light intensity according to what white light sensor in the light 511 sent with the corresponding electric signal of ambient light intensity.Concrete can be that processing unit 60 judges that an environment light intensity and a preset value compare.When processing unit 60 confirms that the current environment light intensity is low, open the White LED in the light source module 31.
In other embodiments, processing unit 60 can also calculate the quantity of the LED that needs the corresponding color in the unlatching light source module 31 according to the light intensity ratio of surround lighting RGB, and the LED of respective numbers is opened in control then.
In embodiment, light 511 can be integrated on the LGP 200 through adopting film printing technology, manufacture of semiconductor or micro electronmechanical processing procedure in the light compensation module 110.Concrete can adopt film printing technology, manufacture of semiconductor or micro electronmechanical processing procedure are accomplished the making of circuit layer and photoinduction layer etc. successively on the surface of LGP 200, form one or more light sensing unit at LGP 200.
Please refer to Fig. 6; Structural representation for the light compensation module 110 of the reflection display device that has light compensation module in the second embodiment of the invention; Go out in light compensation module 110 and first embodiment in this embodiment the mode of light 511 settings different beyond, all the other homogeneous phases are with identical.
In this embodiment, light 511 adopts film printing technology, manufacture of semiconductor or micro electronmechanical processing procedure to be integrated on the display layer 10.Concrete can adopt film printing technology, manufacture of semiconductor or micro electronmechanical processing procedure are accomplished the making of circuit layer and photoinduction layer etc. successively on the surface of display layer 10, form the light sensing unit array at display layer 10.
Please refer to Fig. 7, compensate the structural representation of module 120 for the light of using in the reflection display device (scheming not shown) of third embodiment of the invention.With similar in first embodiment, light compensation module 120 comprises a LGP 220 of rectangle.Its difference is that 221 places, first diagonal angle of LGP 220 respectively are provided with a light source module 321,322.222 places, second diagonal angle of LGP 22 respectively are provided with a scanning reflection mirror 421,422, and in this embodiment, this light source module 321,322 is for sending the LED lamp group of redness (R), green (G), blue (B) and white (W) four kinds of color light.Scanning reflection mirror 421,422 is the MEMS scanning micro-mirror (MEMS Scanning Mirror) of twin shaft in this embodiment.The light that is sent by light source module 321 is incident upon on the scanning reflection mirror 421; The light that is sent by light source module 322 is incident upon on the scanning reflection mirror 422, by the rotation of the reflecting surface of scanning reflection mirror 421,422 light is reflexed to different directions respectively and forms scanning ray.Twin shaft MEMS scanning micro-mirror can be with light scanning reflection the becoming light that in three dimensions, has different directions.Light incident area 223 from the side of LGP 220 after scanning reflection mirror 421,422 reflection is injected LGP 220 inside.Because the light that light source module 321,322 sends is injected LGP inside with the different incident angle from the incident area 223 of LGP 220 after scanning reflection mirror 421,422 reflections, the light that therefore gets into LGP 220 can be covered with whole LGP 220 uniformly.
In this embodiment, also be provided with collector lens 620 between light source module 321 and the scanning reflection mirror 421 and between light source module 322 and the scanning reflection mirror 422, be used to assemble the light that light source module 321,322 sends.The light that light source module 321,322 sends is emitted to scanning reflection mirror 421,422 again after collector lens 620 is assembled.In other embodiments; Light source module 321,322 also can be other light sources such as LASER Light Source; When adopting LASER Light Source,, therefore in the embodiment that adopts LASER Light Source, need not set up collector lens 620 or other concentrating component because LASER Light Source itself has the optical activity of gathering.
The side of LGP 220 is coated with highly reflecting films 72 except that the light that is used to make scanning reflection mirror 421,422 reflections is injected the incident area 223 of LGP 220; When light is incident to this LGP 220 when inner from incident area 223; And from LGP 220 internal emission when being coated with the lateral side regions of highly reflecting films 70; Highly reflecting films 72 reflect those light, make it be emitted to LGP 20 inside again.These highly reflecting films 72 can be the metallic mirror surface reflectance coatings that is deposited on LGP 20 sides, comprise golden Au or aluminium Al or silver-colored Ag.
In the 3rd embodiment, the identical surface that is arranged on the side of LGP 220 of light 521 with first embodiment, be used for detecting surround lighting in the light intensity of three kinds of different wave lengths of RGB.On the low side with ruddiness ratio in the surround lighting equally is example, and the red-green-blue light intensity scale parameter of preset standard white light is 1:1:1, and RGB three primary colours light intensity distribution proportion is for being 10%, 20% and 20% in the surround lighting.Light 521 detectings obtain the light intensity of three kinds of different wave lengths of RGB and convert corresponding electric signal into exporting processing unit (scheming not shown) to, and processing unit is confirmed RGB three primary colours light intensity ratio according to corresponding electric signal.Processing unit compares the RGB three primary colours light intensity scale parameter of rgb light intensity that obtains and preset standard white light; Draw the red-green-blue light intensity ratio parameter that red light intensity is lower than the preset standard white light, processing unit is opened the red LED in the light source module 321,322.The red light that light source module 321,322 sends through scanning reflection mirror 421,422 reflection back with the different incident angle from LGP 220 inside, then at interreflection between the upper and lower surfaces of LGP 220 or after through more than 72 reflection of highly reflecting films uniform irradiation to display layer (scheming not shown).The red light that light source module 321,322 sends has compensated ruddiness ratio in the surround lighting, makes environment more approach white light, has improved reflection display device color display effect.
With similar in first embodiment, processing unit can also be judged the environment light intensity with the corresponding electric signal of rgb light intensity according to what light 511 was sent.When processing unit 60 confirms that the current environment light intensity is low, open the White LED in the light source module 321,322.The light that light source module 321,322 sends after scanning reflection mirror 421,422 reflection with the different incident angle from LGP 220 inside; Uniform irradiation is to display layer then; Thereby be implemented in ambient light intensity when on the low side, display device of electronic paper played the effect of floor light.
Light 521 can be integrated on the display layer (not shown) through adopting film printing technology, manufacture of semiconductor or micro electronmechanical processing procedure.Concrete can adopt film printing technology, manufacture of semiconductor or micro electronmechanical processing procedure are accomplished the making of circuit layer and photoinduction layer etc. successively on the surface of display layer, form one or more light sensing unit at display layer.
In other embodiments, light source module and scanning reflection mirror also can not be arranged at the diagonal angle of LGP 220.Light source module and scanning reflection mirror only need be arranged at the side of LGP 220, and the light that is sent by the light source module incides LGP 220 inner getting final product after the scanning reflection mirror reflection.The quantity of light source module can be designed to one or more than one as required, and the quantity of scanning reflection mirror is identical with the quantity of light source module.
Please refer to Fig. 8, compensate the structural representation of module 130 for the light of using in the reflection display device (not shown) in the four embodiment of the invention.Similar in light in the 4th embodiment compensation module 130 and the 3rd embodiment; Its difference is; First drift angle, 231 places of LGP 230 are provided with light source module 331 in this light compensation module 130; On LGP 230, be provided with first scanning reflection mirror 431, on LGP 230, be provided with second scanning reflection mirror 432 with second drift angle, 232 adjacent the 3rd drift angle 233 places with first drift angle, 231 adjacent second drift angle, 232 places.First scanning reflection mirror 431 and second scanning reflection mirror 432 are the MEMS scanning micro-mirror (MEMS Scanning Mirror) of single shaft in this embodiment.In this embodiment, the orthogonal setting of torsion shaft of said first scanning reflection mirror 431 and second scanning reflection mirror 432.Single shaft MEMS scanning micro-mirror can be with light scanning reflection the becoming light that has different directions in the two dimensional surface.The light that is sent by light source module 331 is incident upon on first scanning reflection mirror 431; Light behind first scanning reflection mirror, 431 scanning reflections is incident upon on second scanning reflection mirror 432 again, light is formed on the light that has different exit directions in the three dimensions by two secondary reflections of first scanning reflection mirror 431 and second scanning reflection mirror 432.Light is injected LGP inside from the side of LGP 230 after first scanning reflection mirror 431 and 432 reflections of second scanning reflection mirror.In this embodiment, also be provided with collector lens 630 between the light source module 331 and first scanning reflection mirror 431.
This light source module 331 is for sending the LED lamp group of redness (R), green (G), blue (B) and white (W) four kinds of color light.Light compensation module 130 comprises that also light 531 is arranged on the side of LGP 230, be used for detecting surround lighting in the light intensity of three kinds of different wave lengths of RGB.On the low side with ruddiness ratio in the surround lighting equally is example, and the red-green-blue light intensity scale parameter of preset standard white light is 1:1:1, and RGB three primary colours light intensity distribution proportion is for being 10%, 20% and 20% in the surround lighting.Light 531 detectings obtain the light intensity of three kinds of different wave lengths of RGB and convert corresponding electric signal into exporting processing unit (scheming not shown) to, and processing unit confirms that according to corresponding electric signal the light intensity ratio of three kinds of different wave lengths of RGB is 1:2:2.Processing unit compares the RGB three primary colours light intensity scale parameter of rgb light intensity that obtains and preset standard white light; Draw the red-green-blue light intensity ratio parameter that red light intensity is lower than the preset standard white light, processing unit is opened the LED of the corresponding color in the light source module 331.The light that light source module 331 sends through scanning reflection mirror 431,432 reflection back with the different incident angle from LGP 230 inner uniform irradiations afterwards to display layer (scheming not shown).Thereby play the ratio of this kind color of light in the compensate for ambient light, make environment more approach white light, improved reflection display device color display effect.
Please refer to Fig. 9, be light compensation module 140 structural representations of using in the reflection display device (not shown) in the fifth embodiment of the invention.Similar in light in the 5th embodiment compensation module 140 and the 4th embodiment; Its difference is; First drift angle, 241 places of LGP 240 are provided with a light source module 341 and one first scanning reflection mirror 441 in this light compensation module 140; The 3rd drift angle 243 places are provided with a light source module 342 and one first scanning reflection mirror 443, and second drift angle 242 on LGP 240 is provided with second scanning reflection mirror, 442, the four drift angles, 244 places and is provided with second scanning reflection mirror 444.In this embodiment; First scanning reflection mirror 441,443 and second scanning reflection mirror 442,444 are the MEMS scanning micro-mirror (MEMS Scanning Mirror) of single shaft; The orthogonal setting of torsion shaft of said first scanning reflection mirror 441 and second scanning reflection mirror 442, first scanning reflection mirror 443 is vertical each other with the torsion shaft of second scanning reflection mirror 444.
In this embodiment; The light that is sent by light source module 341 is incident upon on first scanning reflection mirror 441; Light behind first scanning reflection mirror, 441 scanning reflections is incident upon on second scanning reflection mirror 442 again, and nationality reflects to form the light that in three dimensions, has different exit directions by first scanning reflection mirror 441 and second scanning reflection mirror 442 twice.The light that is sent by light source module 342 is incident upon on first scanning reflection mirror 443; Light behind first scanning reflection mirror, 443 scanning reflections is incident upon on second scanning reflection mirror 444 again, reflects to form the light that in three dimensions, has different exit directions by first scanning reflection mirror 443 and second scanning reflection mirror 444 twice.Light by light source module 341,342 sends is injected LGP inside from LGP 240 sides respectively after two single shaft scanning reflection mirror scanning.In this embodiment, also be provided with collector lens 640 between the light source module 341 and first scanning reflection mirror 441 and between the light source module 342 and first scanning reflection mirror 443.
This light source module 341,342 is for sending the LED lamp group of redness (R), green (G), blue (B) and white (W) four kinds of color light.Light compensation module 140 comprises that also light 541 is arranged on the side of LGP 240, be used for detecting surround lighting in the light intensity of three kinds of different wave lengths of RGB.Light 541 detectings obtain the light intensity of three kinds of different wave lengths of RGB and convert corresponding electric signal into exporting processing unit (scheming not shown) to, and processing unit is confirmed the light intensity ratio of three kinds of different wave lengths of RGB according to corresponding electric signal.Processing unit compares the RGB three primary colours light intensity scale parameter of rgb light intensity that obtains and preset standard white light; Draw the red-green-blue light intensity ratio parameter which kind of light intensity is lower than the preset standard white light, processing unit is opened the LED of the corresponding color in the light source module 341,342.Thereby the light that light source module 341,342 sends is injected the ratio that this kind color of light the compensate for ambient light is played in LGP inside through two single shaft scanning reflection mirrors scanning back respectively from LGP 240 sides; Make environment more approach white light, improved reflection display device color display effect.
Those skilled in the art will be appreciated that; Above embodiment only is to be used for explaining the present invention; And be not to be used as qualification of the present invention; As long as within connotation scope of the present invention, the appropriate change that above embodiment is done all drops within the scope that the present invention requires to protect with changing.

Claims (18)

1.一种具有光补偿模组的反射型显示装置，包括显示层，其特征在于：还包括 1. A reflective display device with an optical compensation module, comprising a display layer, characterized in that: also includes 一导光板，设置于所述显示层上方，所述导光板包括远离显示层第一表面，靠近显示层的第二表面以及连接第一表面与第二表面的侧面； A light guide plate, disposed above the display layer, the light guide plate includes a second surface away from the first surface of the display layer, a second surface close to the display layer, and a side connecting the first surface and the second surface; 至少一个光源模组设置在导光板的侧面，所述光源模组至少包括红色、绿色、蓝色三种颜色的发光光源； At least one light source module is arranged on the side of the light guide plate, and the light source module includes at least red, green, and blue light-emitting light sources; 一光传感器单元，用于侦测环境光的中的红绿蓝三基色光的强度； A light sensor unit for detecting the intensity of red, green and blue primary color light in ambient light; 一处理单元；以及 a processing unit; and 一存储单元，存储有一预设标准白光的红绿蓝三基色光强度比例参数； A storage unit, storing a preset standard white light intensity ratio parameter of the three primary colors of red, green and blue; 光传感器单元侦测得到环境光中红绿蓝三基色光的强度并转换为相应电信号输出至处理单元，处理单元根据该电信号确定红绿蓝三基色光的强度比例，并将得到的红绿蓝三基色光的强度比例与预设的标准白光的红绿蓝三基色光的强度比例参数进行比较，确定环境光中红绿蓝三基色光中任一种光的强度比例低于预设的强度比例参数时，处理单元开启光源模组中的对应颜色的发光光源。 The light sensor unit detects the intensity of the three primary colors of red, green and blue light in the ambient light and converts it into a corresponding electrical signal and outputs it to the processing unit. The processing unit determines the intensity ratio of the three primary colors of red, green and blue according to the electrical signal, and converts the obtained red The intensity ratio of the three primary colors of green and blue light is compared with the preset parameter of the intensity ratio of the three primary colors of red, green and blue light of the standard white light, and it is determined that the intensity ratio of any one of the three primary colors of red, green and blue light in the ambient light is lower than the preset When the intensity ratio parameter is set, the processing unit turns on the light source of the corresponding color in the light source module. 2.如权利要求1所述的具有光补偿模组的反射型显示装置，其特征在于：所述导光板侧面涂附有反射膜，该反射膜上还设有多个入射区域，光源模组发出光线从所述入射区域入射进入导光板内部。 2. The reflective display device with optical compensation module as claimed in claim 1, characterized in that: the side of the light guide plate is coated with a reflective film, the reflective film is also provided with a plurality of incident areas, and the light source module The emitted light enters the interior of the light guide plate from the incident area. 3.如权利要求1所述的具有光补偿模组的反射型显示装置，其特征在于：所述光源模组还包括一白光发光光源。 3. The reflective display device with a light compensation module as claimed in claim 1, wherein the light source module further comprises a white light emitting light source. 4.如权利要求3所述的具有光补偿模组的反射型显示装置，其特征在于：所述存储单元还存储有至少一环境光强度的预设值，处理单元根据光传感器单元侦测的红绿蓝三基色光的强度判断红绿蓝三基色光强度的平均值小于所述预设值时，处理单元开启光源模组中的白光发光光源。 4. The reflective display device with a light compensation module as claimed in claim 3, wherein the storage unit also stores at least one preset value of ambient light intensity, and the processing unit detects the light intensity according to the light sensor unit. The intensity of the three primary colors of red, green, and blue lights determines that when the average of the intensities of the three primary colors of red, green, and blue lights is less than the preset value, the processing unit turns on the white light emitting light source in the light source module. 5.如权利要求3所述的具有光补偿模组的反射型显示装置，其特征在于：所述存储单元还存储有一环境光强度的预设值，处理单元根据光传感器单元侦测的红绿蓝三基色光的强度判断红绿蓝三基色光中强度最高的一种光的强度小于所述预设值时，处理单元开启光源模组中的白光发光光源。 5. The reflective display device with light compensation module as claimed in claim 3, characterized in that: the storage unit also stores a preset value of ambient light intensity, and the processing unit detects the red and green according to the light sensor unit. When judging the intensity of the three primary colors of blue light that the intensity of the light with the highest intensity among the three primary colors of red, green, and blue light is less than the preset value, the processing unit turns on the white light emitting light source in the light source module. 6.如权利要求3所述的具有光补偿模组的反射型显示装置，其特征在于：所述存储单元还存储有一环境光强度的预设值，光传感器单元还包括一用于侦测环境光强度的白光传感器，处理单元将白光传感器侦测的环境光的强度值与所述预设值进行比较，当白光传感器侦测的环境光的强度值小于所述预设值时，处理单元开启光源模组中的白光发光光源。 6. The reflective display device with light compensation module as claimed in claim 3, wherein the storage unit also stores a preset value of ambient light intensity, and the light sensor unit also includes a sensor for detecting the environment. A white light sensor for light intensity, the processing unit compares the intensity value of the ambient light detected by the white light sensor with the preset value, and when the intensity value of the ambient light detected by the white light sensor is less than the preset value, the processing unit turns on The white light emitting light source in the light source module. 7.如权利要求1所述的具有光补偿模组的反射型显示装置，其特征在于：所述光源模组为包括红色、绿色、蓝色三种颜色的LED光源。 7. The reflective display device with a light compensation module as claimed in claim 1, wherein the light source module is an LED light source including three colors of red, green and blue. 8.如权利要求1所述的具有光补偿模组的反射型显示装置，其特征在于：所述导光板侧面还设置有至少一个扫描反射镜，由光源模组发出的光线经扫描反射镜反射后入射到导光板内部，射入导光板内部的光线以各个不同方向在导光板第一表面和第二表面间反复反射，从而扩散至显示层。 8. The reflective display device with an optical compensation module as claimed in claim 1, wherein at least one scanning mirror is arranged on the side of the light guide plate, and the light emitted by the light source module is reflected by the scanning mirror After being incident into the light guide plate, the light incident into the light guide plate is repeatedly reflected between the first surface and the second surface of the light guide plate in different directions, so as to diffuse to the display layer. 9.如权利要求8所述的具有光补偿模组的反射型显示装置，其特征在于：所述至少一个扫描反射镜为微机电系统扫描微镜。 9. The reflective display device with an optical compensation module as claimed in claim 8, wherein the at least one scanning mirror is a MEMS scanning micromirror. 10.如权利要求8所述的具有光补偿模组的反射型显示装置，其特征在于：所述至少一个扫描反射镜为一个双轴扫描反射镜。 10. The reflective display device with optical compensation module as claimed in claim 8, wherein the at least one scanning mirror is a biaxial scanning mirror. 11.如权利要求8所述的具有光补偿模组的反射型显示装置，其特征在于：所述至少一个扫描反射镜为两个单轴扫描反射镜，该两个单轴扫描反射镜的扭转轴相互正交。 11. The reflective display device with an optical compensation module as claimed in claim 8, wherein the at least one scanning mirror is two uniaxial scanning mirrors, and the twisting of the two uniaxial scanning mirrors The axes are orthogonal to each other. 12.如权利要求8所述的具有光补偿模组的反射型显示装置，其特征在于：所述导光板侧面涂附有高反射膜，该高反射膜上还设有多个入射区域，光源模组发出光线从所述入射区域入射进入导光板内部。 12. The reflective display device with optical compensation module as claimed in claim 8, characterized in that: the side of the light guide plate is coated with a high reflection film, the high reflection film is also provided with a plurality of incident areas, and the light source The light emitted by the module enters the interior of the light guide plate from the incident area. 13.如权利要求12所述的具有光补偿模组的反射型显示装置，其特征在于：所述高反射膜为金属镜面反射膜，该金属镜面反射膜可以是铝膜、金膜以及银膜中的一种。 13. The reflective display device with optical compensation module as claimed in claim 12, characterized in that: the high reflection film is a metal mirror reflection film, and the metal mirror reflection film can be an aluminum film, a gold film or a silver film One of. 14.如权利要求8所述的具有光补偿模组的反射型显示装置，其特征在于：所述光源模组还包括一白光发光光源。 14. The reflective display device with a light compensation module as claimed in claim 8, wherein the light source module further comprises a white light emitting light source. 15.如权利要求8所述的具有光补偿模组的反射型显示装置，其特征在于：所述光源模组为包括红色、绿色、蓝色三种颜色的LED光源，所述光源模组与扫描反射镜之间还设置有聚光透镜。 15. The reflective display device with an optical compensation module as claimed in claim 8, wherein the light source module is an LED light source including three colors of red, green, and blue, and the light source module and A condenser lens is also arranged between the scanning mirrors. 16.如权利要求8所述的具有光补偿模组的反射型显示装置，其特征在于：所述光源模组为包括红色、绿色、蓝色三种颜色的镭射光源。 16. The reflective display device with a light compensation module as claimed in claim 8, wherein the light source module is a laser light source including three colors of red, green and blue. 17.如权利要求1所述的具有光补偿模组的反射型显示装置，其特征在于：所述光传感器为通过薄膜印刷法、半导体制程或微机电制程在显示层的表面形成的至少一个光传感单元。 17. The reflective display device with an optical compensation module as claimed in claim 1, wherein the optical sensor is at least one optical sensor formed on the surface of the display layer by thin film printing, semiconductor manufacturing process or micro-electromechanical manufacturing process. sensing unit. 18.如权利要求1所述的具有光补偿模组的反射型显示装置，其特征在于：所述光传感器为通过薄膜印刷法、半导体制程或微机电制程在导光板的表面形成的至少一个光传感单元。 18. The reflective display device with an optical compensation module as claimed in claim 1, wherein the optical sensor is at least one light sensor formed on the surface of the light guide plate by a thin film printing method, a semiconductor process or a micro-electro-mechanical process. sensing unit.
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