CN105652513A - Display, backlight device and electronic equipment - Google Patents
Display, backlight device and electronic equipment Download PDFInfo
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- CN105652513A CN105652513A CN201410717932.8A CN201410717932A CN105652513A CN 105652513 A CN105652513 A CN 105652513A CN 201410717932 A CN201410717932 A CN 201410717932A CN 105652513 A CN105652513 A CN 105652513A
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- 230000003287 optical effect Effects 0.000 claims abstract description 76
- 239000003086 colorant Substances 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 28
- 230000005142 aphototropism Effects 0.000 claims description 9
- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 238000005265 energy consumption Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000011982 device technology Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention discloses a display, a backlight device and a piece of electronic equipment. The display comprises a display module, a backlight module and a reflective optical filter, wherein the display module comprises a plurality of pixel units, and each pixel unit comprises an R sub-pixel, a G sub-pixel and a B sub-pixel; and the reflective optical filter is disposed between the display module and the backlight module and comprises a plurality of light-transmitting windows, the light-transmitting windows have a one-to-one corresponding relation with each sub-pixel, and the light-transmitting windows only allow passing of light which has the same color with the corresponding sub-pixels, and can reflect light of other colors to the backlight module. Obviously, the display is characterized in that the sub-pixels can receive backlight with the corresponding colors because of setting of the reflective optical filter; the light with the other colors can be reflected to the backlight module; and the reflected light can be resent to the display module via the backlight module. In this way, a use ratio of the light is increased; display luminance is thus increased; and energy consumption is reduced.
Description
Technical field
The present invention relates to display device technology field, more particularly, it relates to a kind of display and back lighting device and electronic equipment.
Background technology
Being the structural representation of a kind of common display in prior art with reference to Fig. 1, Fig. 1, described display includes: the back lighting device 11 being oppositely arranged and display module 12. Described display module 12 includes multiple pixel cell, if display module 12 shows for RGB, described pixel cell includes: R sub-pixel, G sub-pixel, B sub-pixel.
Owing to R sub-pixel only allows HONGGUANG to pass through, G sub-pixel only allows green glow to pass through, B sub-pixel only allows blue light to pass through, therefore, light is 1/3rd through the exitance of described display module 12, consider further that the reasons such as the absorption of light are caused the loss of light by each parts of display, finally to the utilization rate of the white light source that back lighting device is launched only about 10%.
By foregoing description it can be seen that the utilization rate of light source is reduced by existing display, causing that energy consumption is relatively big, meanwhile, the brightness also resulting in display under identical running voltage is relatively low.
Summary of the invention
For solving above-mentioned technical problem, the present invention provides a kind of display and back lighting device and electronic equipment, improves the display utilization rate to light source, reduces energy consumption, and described display has good brightness under identical running voltage.
For achieving the above object, the present invention provides following technical scheme:
A kind of display, described display includes:
Display module, described display module includes multiple pixel cell, and described pixel cell includes: R sub-pixel, G sub-pixel, B sub-pixel;
Backlight module;
It is arranged on the reflection optical filter between described display module and described backlight module;
Wherein, described reflection optical filter includes multiple optical transmission window, described optical transmission window and each sub-pixel one_to_one corresponding, and other color of light, merely by the light identical with corresponding sub-pixel color, are reflected towards described backlight module by described optical transmission window.
Preferably, in aforementioned display device, described liquid crystal display module is liquid crystal display module.
Preferably, in aforementioned display device, described display farther includes:
It is arranged on 1/4th polaroids between described backlight module and described reflection optical filter.
Preferably, in aforementioned display device, described 1/4th polaroids are arranged on a described reflection optical filter side surface towards described backlight module, and described 1/4th polaroids are fixing with described backlight module bonding.
Preferably, in aforementioned display device, described 1/4th polaroids are arranged on a described backlight module side surface towards described reflection optical filter, and described 1/4th polaroids are fixing with described reflection optical filter bonding.
Preferably, in aforementioned display device, described pixel cell also includes W sub-pixel unit.
Preferably, in aforementioned display device, the position white light that described reflection optical filter is corresponding with described W sub-pixel unit can pass through.
Preferably, in aforementioned display device, described backlight module is down straight aphototropism mode set or side lamp formula backlight module.
Preferably, in aforementioned display device, described reflection optical filter and described display module integral packaging;
Or, described reflection optical filter and described backlight module integral packaging.
Present invention also offers a kind of back lighting device, described back lighting device includes:
Backlight module;
It is arranged on the reflection optical filter of described backlight module light exit surface;
Wherein, described reflection optical filter includes multiple optical transmission window, and described optical transmission window only allows the light of setpoint color to pass through, and by the luminous reflectance of other colors to described backlight module.
Preferably, at above-mentioned back lighting device, described backlight module is down straight aphototropism mode set or side lamp formula backlight module.
Present invention also offers a kind of electronic equipment, described electronic equipment includes the display described in any of the above-described item.
From technique scheme it can be seen that display provided by the present invention includes: display module, described display module includes multiple pixel cell, and described pixel cell includes: R sub-pixel, G sub-pixel, B sub-pixel; Backlight module; It is arranged on the reflection optical filter between described display module and described backlight module; Wherein, described reflection optical filter includes multiple optical transmission window, described optical transmission window and each sub-pixel one_to_one corresponding, and other color of light, merely by the light identical with corresponding sub-pixel color, are reflected towards described backlight module by described optical transmission window. Visible, described display can so that described sub-pixel receives the backlight of corresponding color by arranging described reflection optical filter, and other color of light are reflected back described backlight module, the light being reflected back toward can be sent to described display module again by described backlight module, thus improve the utilization rate of light, reduce energy consumption, and described display has good brightness under identical running voltage.
The display module utilization rate to light source that described back lighting device provided by the invention mates use by arranging reflection optical filter to improve with described back lighting device, reduces energy consumption, improves display brightness.
Described electronic equipment provided by the invention has aforementioned display device, so the utilization rate of light source is high, energy consumption is low, and has good brightness.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of display common in prior art;
The structural representation of a kind of display that Fig. 2 provides for the embodiment of the present application;
The structural representation of the another kind of display that Fig. 3 provides for the embodiment of the present application;
The structural representation of a kind of down straight aphototropism mode set that Fig. 4 provides for the embodiment of the present application;
The structural representation of a kind of side lamp formula backlight module that Fig. 5 provides for the embodiment of the present application;
The structural representation of a kind of electronic equipment that Fig. 6 provides for the embodiment of the present application.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments. Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
The embodiment of the present application provides a kind of display, and with reference to the structural representation of a kind of display that Fig. 2, Fig. 2 provide for the embodiment of the present application, described display includes: display module 21, backlight module 22 and reflection optical filter 23.
Described display module 21 includes multiple pixel cell, and described pixel cell includes: R sub-pixel (red sub-pixel), G sub-pixel (green sub-pixels), B sub-pixel (blue subpixels). Control the color of each pixel cell 21 by controlling the ratio by three primary colours light of each sub-pixel, show realizing coloured image.
Described reflection optical filter 23 is arranged between described display module 21 and described backlight module 22. Described reflection optical filter 23 includes multiple optical transmission window, described optical transmission window and each sub-pixel one_to_one corresponding, and other color of light, merely by the light identical with corresponding sub-pixel color, are reflected towards described backlight module by described optical transmission window.
Concrete, the region that described reflection optical filter 23 is corresponding with described R sub-pixel arranges optical transmission window r, optical transmission window g and optical transmission window b. Described optical transmission window r is only by the HONGGUANG identical with described R sub-pixel colors, by the luminous reflectance of other colors to described backlight module 22; Described optical transmission window g is only by the green glow identical with described G sub-pixel color, by the luminous reflectance of other colors to described backlight module 22; Described optical transmission window b is only by the blue light identical with described B sub-pixel colors, by the luminous reflectance of other colors to described backlight module 22.
Backlight module 22 is provided with reflecting layer and even photosphere, to improve emergent light brightness and the uniformity of backlight module 22. Backlight module 22, by described reflecting layer, will deviate from the luminous reflectance of described display module 21 direction outgoing so that the light of backlight module outgoing, only towards the direction outgoing of described display module 21, improves the optical uniformity of outgoing by described even photosphere. Therefore, for a certain setting sub-pixel, after it is reflected back the light of described backlight module 22 by corresponding optical transmission window, the subpixel area outgoing of other different colours can be passed through by the reflection of described backlight module 22 and even light action, thus improve the display utilization rate to light source, reduce energy consumption, so under the running voltage set, improve the brightness of display.
The liquid crystal display module that described display module preferably can make large scale screen, image display effect is good, but it is not limited only to liquid crystal display, it is also possible to need the display module of back lighting device for other.
Described display farther includes: be arranged on 1/4th polaroids between described backlight module 22 and described reflection optical filter 23. The polarized portion light being improved the light to back lighting device 22 outgoing by described 1/4th polaroids is utilized, to improve the rate of receiving to light source further, to reduce power consumption and improve display brightness.
Described 1/4th polaroids can be arranged on the described reflection optical filter 23 side surface towards described backlight module 22, and namely described 1/4th polaroids are formed on the corresponding surface of described reflection optical filter 23. Described 1/4th polaroids are fixing with described backlight module 22 bonding.
Described 1/4th polaroids can also be arranged on the described backlight module 22 side surface towards described reflection optical filter 23, and namely described 1/4th polaroids are formed on the corresponding surface of described backlight module 22. Described 1/4th polaroids are fixing with described reflection optical filter 23 bonding.
In the embodiment of the present application, described reflection optical filter 23 can with described display module 21 integral packaging, it is also possible to described backlight module 22 integral packaging.
By foregoing description, in described display, can so that described sub-pixel receives the backlight of corresponding color by arranging described reflection optical filter, and other color of light are reflected back described backlight module, the light being reflected back toward can be sent to described display module again by described backlight module, thus improve the utilization rate of light, reducing energy consumption, and described display has good brightness under identical running voltage.
In aforementioned display device, described display module is that RGB tri-sub-pixel shows, in order to improve the brightness of display further, described display module can also be that RGBW tetra-sub-pixel shows, as it is shown on figure 3, the structural representation of another kind of display that Fig. 3 provides for the embodiment of the present application.
Fig. 3 and Fig. 2 illustrated embodiment is compared, and the pixel cell of display module 21 adds W sub-pixel (white sub-pixels), to improve the brightness of each pixel cell, and then improves the brightness of display. Corresponding, the region that described reflection optical filter 23 is corresponding with described W sub-pixel is provided with optical transmission window w. Described optical transmission window w can allow the white light identical with described W sub-pixel color to pass through.
By foregoing description it can be seen that display described in the embodiment of the present application can pass through to arrange described W sub-pixel and corresponding optical transmission window w improves the brightness of display further. And which is without improving the backlight module intensity of light source, it is achieved mode is simple.
In described display, described backlight module 22 can down straight aphototropism mode set 221 as shown in Figure 4, described down straight aphototropism mode set 221 includes: light guide plate 41, light source device 42 and reflecting layer 43.
Wherein, described reflecting layer 43 is oppositely arranged with described light guide plate 41, and described light source device 42 is arranged between described light guide plate 41 and described reflecting layer 43. Described light guide plate 41 is slab construction, and its light output surface and the surface relative with described light output surface are parallel to each other.
The light that light source device 42 is launched is by outgoing after described light guide plate 41, it is provided that give display module. Described light guide plate has even photosphere, and described even photosphere is used for so that light passes through uniform after described light guide plate 41. Described reflecting layer 43 is for going back to the luminous reflectance deviating from the outgoing of described light guide plate 41 to described reflecting layer 41, to improve solar photovoltaic utilization rate.
Described backlight module 22 can also side lamp formula backlight module 222 as shown in Figure 5, described side lamp formula backlight module 222 includes: light guide plate 51, reflecting layer 52 and light source device 53.
Described light guide plate 51 is wedge structure, its light output surface and with described light output surface (light-entering surface) relative to surface become set angle, and described light source device 53 is arranged on one end that described light output surface is bigger with described light-entering surface distance, described reflecting layer 53 is fitted in described light-entering surface, so that reflecting layer can by more luminous reflectance to described light output surface. Equally, in order to ensure the uniformity of emergent light, described light guide plate 51 has even photosphere.
Backlight module shown in Fig. 4 needs to arrange multiple light source device at incidence surface, it is arranged as planar, backlight module shown in Fig. 5 needs to arrange multiple light source device in light guide plate side, it is arranged as strip, the two is compared, Fig. 5 illustrated embodiment can reduce the use of light source device, simple in construction, and less costly; Simultaneously as light source device is arranged on light guide plate side, therefore the thickness of Fig. 5 illustrated embodiment is thin relative to the thickness of Fig. 4 illustrated embodiment.
Therefore, display described in the embodiment of the present application preferably adopts side lamp formula backlight module, so that reducing cost of manufacture and the thickness of display.
Based on above-described embodiment, another embodiment of the application additionally provides a kind of back lighting device, and described back lighting device includes: backlight module; It is arranged on the reflection optical filter of described backlight module light exit surface; Wherein, described reflection optical filter includes multiple optical transmission window, and described optical transmission window only allows the light of setpoint color to pass through, and by the luminous reflectance of other colors to described backlight module.
Described backlight module can for the down straight aphototropism mode set described in above-described embodiment, and namely described reflection optical filter is arranged on light guide plate 41 light output surface of down straight aphototropism mode set shown in Fig. 4. Now, described reflection optical filter can be formed directly into described light output surface, or is fixed on described light output surface by laminating type.
Described backlight module can also be side lamp formula backlight module, and namely described reflection optical filter is arranged on light guide plate 51 light output surface of the backlight module of side lamp formula shown in Fig. 5. Now, described reflection optical filter can be formed directly into described light output surface, or is fixed on described light output surface by laminating type.
Described backlight module is used for display, by aforementioned display device embodiment it can be seen that back lighting device described in this employings the embodiment of the present application, it is possible to increase the display utilization rate to light source, improves the brightness of display, reduction power consumption.
Another embodiment of the application additionally provides a kind of electronic equipment, and with reference to Fig. 6, for the structural representation of a kind of electronic equipment 61 that the embodiment of the present application provides, described electronic equipment 61 includes display 22. Described display 22 is the display described in any one embodiment of above-described embodiment.
Described electronic equipment can be the electronic installation with display, such as electronic installations such as mobile phone, computer, Wearable electronic equipment and television sets.
Described it can be seen that owing to described electronic equipment adopts the display described in above-described embodiment by above-described embodiment, so the brightness of described electronic equipment is high, low in energy consumption.
It should be noted that in the embodiment of the present application accompanying drawing, arrow is only the direction of propagation signal of light, and reflection and the straightline propagation principle of light is followed in the direction of propagation of actual light.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention. The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments. Therefore, the present invention is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (12)
1. a display, it is characterised in that including:
Display module, described display module includes multiple pixel cell, and described pixel cell includes: R sub-pixel, G sub-pixel, B sub-pixel;
Backlight module;
It is arranged on the reflection optical filter between described display module and described backlight module;
Wherein, described reflection optical filter includes multiple optical transmission window, described optical transmission window and each sub-pixel one_to_one corresponding, and other color of light, merely by the light identical with corresponding sub-pixel color, are reflected towards described backlight module by described optical transmission window.
2. display according to claim 1, it is characterised in that described liquid crystal display module is liquid crystal display module.
3. display according to claim 2, it is characterised in that described display farther includes:
It is arranged on 1/4th polaroids between described backlight module and described reflection optical filter.
4. display according to claim 3, it is characterised in that described 1/4th polaroids are arranged on a described reflection optical filter side surface towards described backlight module, described 1/4th polaroids are fixing with described backlight module bonding.
5. display according to claim 3, it is characterised in that described 1/4th polaroids are arranged on a described backlight module side surface towards described reflection optical filter, described 1/4th polaroids are fixing with described reflection optical filter bonding.
6. display according to claim 1, it is characterised in that described pixel cell also includes W sub-pixel unit.
7. display according to claim 4, it is characterised in that the position white light that described reflection optical filter is corresponding with described W sub-pixel unit can pass through.
8. display according to claim 1, it is characterised in that described backlight module is down straight aphototropism mode set or side lamp formula backlight module.
9. display according to claim 1, it is characterised in that described reflection optical filter and described display module integral packaging;
Or, described reflection optical filter and described backlight module integral packaging.
10. a back lighting device, it is characterised in that described back lighting device includes:
Backlight module;
It is arranged on the reflection optical filter of described backlight module light exit surface;
Wherein, described reflection optical filter includes multiple optical transmission window, and described optical transmission window only allows the light of setpoint color to pass through, and by the luminous reflectance of other colors to described backlight module.
11. back lighting device according to claim 10, it is characterised in that described backlight module is down straight aphototropism mode set or side lamp formula backlight module.
12. an electronic equipment, it is characterised in that include the display as described in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410717932.8A CN105652513A (en) | 2014-12-01 | 2014-12-01 | Display, backlight device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410717932.8A CN105652513A (en) | 2014-12-01 | 2014-12-01 | Display, backlight device and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN105652513A true CN105652513A (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410717932.8A Pending CN105652513A (en) | 2014-12-01 | 2014-12-01 | Display, backlight device and electronic equipment |
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| CN (1) | CN105652513A (en) |
Citations (6)
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|---|---|---|---|---|
| JP2003140135A (en) * | 2001-11-07 | 2003-05-14 | Dainippon Printing Co Ltd | Color filter for liquid crystal display device |
| JP2008122761A (en) * | 2006-11-14 | 2008-05-29 | Cheil Industries Inc | Liquid crystal display device |
| CN201145795Y (en) * | 2008-01-25 | 2008-11-05 | 胜华科技股份有限公司 | Backlight module and liquid crystal display device |
| CN101910713A (en) * | 2008-11-06 | 2010-12-08 | 松下电器产业株式会社 | Liquid crystal display device |
| CN103235356A (en) * | 2013-04-16 | 2013-08-07 | 京东方科技集团股份有限公司 | Optical filter, method for manufacturing same, color film substrate and display device |
| CN103278961A (en) * | 2013-04-28 | 2013-09-04 | 京东方科技集团股份有限公司 | Liquid crystal display device |
-
2014
- 2014-12-01 CN CN201410717932.8A patent/CN105652513A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003140135A (en) * | 2001-11-07 | 2003-05-14 | Dainippon Printing Co Ltd | Color filter for liquid crystal display device |
| JP2008122761A (en) * | 2006-11-14 | 2008-05-29 | Cheil Industries Inc | Liquid crystal display device |
| CN201145795Y (en) * | 2008-01-25 | 2008-11-05 | 胜华科技股份有限公司 | Backlight module and liquid crystal display device |
| CN101910713A (en) * | 2008-11-06 | 2010-12-08 | 松下电器产业株式会社 | Liquid crystal display device |
| CN103235356A (en) * | 2013-04-16 | 2013-08-07 | 京东方科技集团股份有限公司 | Optical filter, method for manufacturing same, color film substrate and display device |
| CN103278961A (en) * | 2013-04-28 | 2013-09-04 | 京东方科技集团股份有限公司 | Liquid crystal display device |
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Application publication date: 20160608 |
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