CN202870328U - Color filter and color display device - Google Patents
Color filter and color display device Download PDFInfo
- Publication number
- CN202870328U CN202870328U CN2012206045958U CN201220604595U CN202870328U CN 202870328 U CN202870328 U CN 202870328U CN 2012206045958 U CN2012206045958 U CN 2012206045958U CN 201220604595 U CN201220604595 U CN 201220604595U CN 202870328 U CN202870328 U CN 202870328U
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- colored filter
- optically focused
- display device
- concentration structure
- curved surface
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Abstract
The utility model discloses a color filter applied to a semi-reflective semi-transparent type color display device. The color filter comprises a color membrane layer, the color filter further comprises a light condensing structure which is provided with a plurality of light condensing curved surfaces and located on the side of the color membrane layer, which is opposite to the reflecting membrane of the semi-reflective semi-transparent type color display device, the light condensing curved surfaces of the light condensing structure are convex surfaces, the convex directions of which deviate from the reflecting membrane, and the refractive index of a medium at the inner side of the light condensing curved surfaces is greater than that of a medium at the outer side of the light condensing curved surfaces. The light condensing structure of the color filter provided by the utility model has the function of condensing the beams passing through the light condensing curved surfaces of the light condensing structure to some extent, the lighting angle in a reflecting area is enlarged to cause the beam density in the reflecting area to be greater than that in ambient light, and therefore, by adopting the color filter provided by the utility model, the brightness in the reflecting area can be improved under the condition that the color saturation in the reflecting area is slightly influenced or not influenced. The utility model also provides a color display device.
Description
Technical field
The utility model relates to the display technique field, particularly a kind of colored filter and colour display device.
Background technology
Colored filter is the important composition parts of colour display device, and colour display device realizes that colorize just relies on colored filter, and colored filter occupies significant proportion in the cost of liquid colour display device, is very important display module.
Half-reflection and half-transmission type colored filter (Transflective Color Filter) is applied to show the advantage that it is unique on the color screen of the mobile products such as mobile phone.Under darker indoor environment, the white light of backlight sees through colored filter and obtains the bright colored image, under bright outdoor environment, and the coloured image that sunshine is injected colored filter and also can be obtained to become clear through the reflectance coating reflection.
In order to obtain the high-quality colour image under two kinds of environment of light and shade, the half-reflection and half-transmission type colored filter must be taken into account its reflecting properties and transmission performance, and two aspect performances all require high as far as possible brightness and color saturation.
For given R, G, B chromatic photoresist material, the raising of brightness and color saturation is conflicting, increases the thickness of color film, can improve color saturation, yet because the increase brightness meeting that absorbs descends, reduce thickness, can improve brightness, yet color saturation can descend.
The utility model content
The utility model provides a kind of colored filter and colour display device, improves the brightness of echo area under the prerequisite that as far as possible reduces its echo area color saturation impact.
For achieving the above object, the utility model provides following technical scheme:
A kind of colored filter for the half-reflection and half-transmission type colour display device comprises color rete; Also comprise concentration structure, described concentration structure have film formed each echo area of respectively corresponding described reflection arrange, with the poly-a plurality of optically focused curved surfaces to corresponding echo area of surround lighting, described concentration structure is positioned at the side that described color rete deviates from the reflectance coating of described half-reflection and half-transmission type colour display device, the optically focused curved surface of described concentration structure is convex surface, convex surface protruding in deviating from described reflectance coating, the refractive index of the medium of described optically focused curved surface inboard is greater than the refractive index of the medium in the described optically focused curved surface outside.
Preferably, described concentration structure is the transparent protective layer that is arranged on the described color rete.
Preferably, described color film surface has transparent protective layer, and described concentration structure is the conductive layer that is arranged on the described transparent protective layer.
Preferably, described concentration structure is that one deck is by the light collecting layer of glass or acryl resin preparation.
Preferably, described light collecting layer is between the transparent protective layer of described color rete and described color rete.
Preferably, described light collecting layer is between the transparent protective layer and conductive layer of described color rete.
Preferably, the optically focused curved surface of described light collecting layer comprises consistent two-layer of protrusion direction.
Preferably, the center of curvature of two-layer optically focused curved surface overlaps.
On the basis of technique scheme, the utility model also provides a kind of colour display device, comprises any colored filter of mentioning in the technique scheme.
The colored filter that is used for the half-reflection and half-transmission type colour display device that the utility model provides comprises color rete; Also comprise concentration structure, described concentration structure have film formed each echo area of respectively corresponding described reflection arrange, with the poly-a plurality of optically focused curved surfaces to corresponding echo area of surround lighting, described concentration structure is positioned at the side that described color rete deviates from the reflectance coating of described half-reflection and half-transmission type colour display device, the optically focused curved surface of described concentration structure is convex surface, convex surface protruding in deviating from described reflectance coating, the refractive index of the medium of described optically focused curved surface inboard is greater than the refractive index of the medium in the described optically focused curved surface outside.
In the colored filter that the utility model provides, color rete can be realized the colorize of colour display device, in the above-mentioned half-reflection and half-transmission type colour display device, each echo area is equipped with reflectance coating, reflectance coating is in order to increase colour display device at outdoor display brightness, wherein, concentration structure is positioned at the side that color rete deviates from the reflectance coating of above-mentioned half-reflection and half-transmission type colour display device, because the optically focused curved surface of concentration structure is protruding in deviating from reflectance coating, the refractive index of the medium of optically focused curved surface inboard is greater than the refractive index of the medium in the optically focused curved surface outside, like this, the refraction of process optically focused curved surface when the light in the optically focused curved surface outside passes through the optically focused curved surface, its direction of illumination can be to the center of curvature direction skew of optically focused curved surface, thereby the light through the optically focused curved surface of concentration structure had certain effect of converging, increased the lighting angle of echo area, therefore, extraneous light is before entering the color rete of echo area, optically focused effect through concentration structure, make ray density in the echo area greater than the ray density in the surround lighting, therefore, concentration structure can improve the brightness of echo area in the certain situation of the color saturation of echo area.
So the colored filter that the utility model provides can improve the brightness of echo area in or even situation about not affecting less on the impact of the color saturation of echo area.
Simultaneously, because the reversibility of light path, the half-reflection and half-transmission type colour display device of the colored filter of employing said structure, the light of echo area can spread through above-mentioned concentration structure when penetrating, therefore, above-mentioned colored filter can also increase the visual angle of half-reflection and half-transmission type colour display device.
That is, when the light in the external environment condition converges during by concentration structure, and through the light of reflectance coating reflection diffusion phenomena can occur by concentration structure the time, therefore, arranging of concentration structure can also increase the visual angle of colour display device width.
Description of drawings
Fig. 1 is the lighting principle schematic diagram of the echo area of colored filter in the prior art;
The lighting principle schematic diagram of a kind of structure of the colored filter that Fig. 2 provides for the utility model;
The lighting principle schematic diagram of the another kind of structure of the colored filter that Fig. 3 provides for the utility model;
The first structural representation of the colored filter that Fig. 4 provides for the utility model;
The second structural representation of the colored filter that Fig. 5 provides for the utility model;
The third structural representation of the colored filter that Fig. 6 provides for the utility model.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Such as Fig. 2 and shown in Figure 4, the colored filter of half-reflection and half-transmission type colour display device generally comprises substrate 16, is positioned at the color rete 12 on the substrate 16, the part that the reflective membrane 13 of half-reflection and half-transmission type colour display device keeps reflective structure forms a plurality of echo areas 121, and the part that does not keep reflective structure forms transmission area 122; Colored filter also has transparent protective layer 17 and the conductive layer 18 of color rete 12, can also be provided with protection substrate 19 on the conductive layer 18.
The colored filter that is used for the half-reflection and half-transmission type colour display device that the utility model provides comprises color rete 12; Also comprise concentration structure 11, concentration structure 11 have each echo area 121 that corresponding reflectance coating 13 respectively forms arrange, with the poly-a plurality of optically focused curved surfaces to corresponding echo area 121 of surround lighting, concentration structure 11 is positioned at the side that color rete 12 deviates from the reflectance coating 13 of half-reflection and half-transmission type colour display device, the optically focused curved surface of concentration structure 11 is convex surface, convex surface protruding in deviating from reflectance coating 13, the refractive index of the medium of optically focused curved surface inboard is greater than the refractive index of the medium in the optically focused curved surface outside.
The lighting principle of the echo area of the colored filter of available technology adopting as shown in Figure 1, the colored filter of half-reflection and half-transmission type colour display device of the prior art, the lighting angle θ of its echo area as shown in Figure 1.
Such as Fig. 2 or shown in Figure 3, in the colored filter that the utility model provides, color rete 12 can be realized the colorize of colour display device, in the above-mentioned half-reflection and half-transmission type colour display device, each echo area 121 is equipped with reflectance coating 13, reflectance coating 13 is in order to increase colour display device at outdoor display brightness, wherein, concentration structure 11 is positioned at the side that color rete 12 deviates from the reflectance coating 13 of above-mentioned half-reflection and half-transmission type colour display device, because the optically focused curved surface of concentration structure 11 is spherical, and the protruding direction to deviating from reflectance coating 13 of the optically focused curved surface of concentration structure 11, the refractive index of the medium of optically focused curved surface inboard is greater than the refractive index of the medium in the optically focused curved surface outside, like this, the refraction of process optically focused curved surface when the light in the optically focused curved surface outside passes through the optically focused curved surface, its direction of illumination can be to the center of curvature direction skew of optically focused curved surface, thereby the light through the optically focused curved surface of concentration structure 11 had certain effect of converging, increased the lighting angle δ of echo area 121, therefore, extraneous light is before entering the color rete 12 of echo area 121, optically focused effect through concentration structure 11, make ray density in the echo area 121 greater than the ray density in the surround lighting, therefore, concentration structure can improve the brightness of echo area 121 in the certain situation of the color saturation of echo area 121.The lighting angle δ of the echo area 121 of the colored filter that the utility model provides is greater than the lighting angle θ of echo area in the colored filter of the prior art.
So the colored filter that the utility model provides can improve the brightness of echo area in or even situation about not affecting less on the impact of the color saturation of echo area 121.
In addition, when the light in the external environment condition converges during by concentration structure 11, and through the light of reflectance coating reflection diffusion phenomena can occur by concentration structure 11 time, therefore, arranging of concentration structure 11 can also increase the visual angle of colour display device width.
The hierarchical structure that the concentration structure 11 of mentioning in the technique scheme can just have for colored filter itself originally, its set-up mode can have multiple choices.
Mode one: above-mentioned concentration structure 11 is for being arranged at the transparent protective layer 17 on the color rete 12, transparent protective layer 17 is provided with a plurality of convex lens structures to deviating from color rete 12 direction projections away from a side of color rete 12, and the surface of convex lens structure is the optically focused curved surface of concentration structure 11.
Mode two: can also be structure shown in Figure 4, the surface of color rete 12 has transparent protective layer 17, concentration structure 11 is the conductive layer 18 on the transparent protective layer 17 that is arranged at color rete 12, conductive layer 18 is provided with a plurality of convex lens structures away from a side of transparent protective layer 17, and each convex lens structure is protruding in deviating from color rete 12, and the convex surface of convex lens structure is the optically focused curved surface of concentration structure 11.
Certainly, for ease of producing, all concentration structures 11 can also be the light collecting layer 10 of one deck by glass or acryl resin preparation, and light collecting layer 10 is positioned at the side that color rete 12 deviates from above-mentioned reflectance coating 13, concrete, the set-up mode of light collecting layer 10 also can have the multiple choices mode.
The first set-up mode, as shown in Figure 5, above-mentioned light collecting layer 10 is between the transparent protective layer 17 of color rete 12 and color rete 12.
The second set-up mode, light collecting layer 10 can also be between the transparent protective layer 17 and conductive layer 18 of color rete 12.
The third set-up mode, as shown in Figure 6, light collecting layer 10 can also be independent platy structure, directly is installed between protection substrate 19 and the conductive layer 18.
More specifically, the optically focused curved surface of the concentration structure 11 of above-mentioned light collecting layer 10 comprises consistent two-layer of protrusion direction.Structure as shown in Figure 3.The optically focused curved surface is the two-layer light gathering that can strengthen concentration structure 11, can increase echo area 121 brightness simultaneously; Take light shown in Fig. 3 15 as example, when the optically focused curved surface is one deck, the light path of light 15 after the refraction of the upper strata of concentration structure 11 optically focused curved surface is shown in dotted line 152 parts, at this moment, the direct color rete of directive transmission area 122 light 15 is injected in the color rete of echo area 121 according to direction shown in the dotted line after can not be reflected film 13 reflections; When the optically focused curved surface is bilayer, light path after light 15 reflects again through second layer optically focused curved surface 14 is shown in solid line 151, after light 15 reflects through second layer optically focused curved surface 14, angle between its incident direction and the reflectance coating 13 increases, light 15 can directly be penetrated by echo area 121 after reflectance coating 13 reflections, has increased brightness.
Preferably, the center of curvature of above-mentioned two-layer optically focused curved surface overlaps.
Certainly, the center of curvature of above-mentioned two-layer optically focused curved surface can not overlap yet, below the curvature of little cambered surface can greater than the curvature of top large cambered surface, can strengthen like this light gathering of light collecting layer.
The utility model also provides a kind of colour display device, comprises any colored filter described in the technique scheme.
Obviously, those skilled in the art can carry out various changes and modification to the utility model embodiment and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (9)
1. a colored filter that is used for the half-reflection and half-transmission type colour display device comprises color rete; It is characterized in that, also comprise concentration structure, described concentration structure have film formed each echo area of respectively corresponding described reflection arrange, with the poly-a plurality of optically focused curved surfaces to corresponding echo area of surround lighting, described concentration structure is positioned at the side that described color rete deviates from the reflectance coating of described half-reflection and half-transmission type colour display device, the optically focused curved surface of described concentration structure is convex surface, convex surface protruding in deviating from described reflectance coating, the refractive index of the medium of described optically focused curved surface inboard is greater than the refractive index of the medium in the described optically focused curved surface outside.
2. colored filter according to claim 1 is characterized in that, described concentration structure is the transparent protective layer that is arranged on the described color rete.
3. colored filter according to claim 1 is characterized in that, described color film surface has transparent protective layer, and described concentration structure is the conductive layer that is arranged on the described transparent protective layer.
4. colored filter according to claim 1 is characterized in that, described concentration structure is that one deck is by the light collecting layer of glass or acryl resin preparation.
5. colored filter according to claim 4 is characterized in that, described light collecting layer is between the transparent protective layer of described color rete and described color rete.
6. colored filter according to claim 4 is characterized in that, described light collecting layer is between the transparent protective layer and conductive layer of described color rete.
7. each described colored filter is characterized in that according to claim 4-6, and the optically focused curved surface of described light collecting layer comprises consistent two-layer of protrusion direction.
8. colored filter according to claim 7 is characterized in that, the center of curvature of described two-layer optically focused curved surface overlaps.
9. a colour display device is characterized in that, comprises each described colored filter such as claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206045958U CN202870328U (en) | 2012-11-15 | 2012-11-15 | Color filter and color display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206045958U CN202870328U (en) | 2012-11-15 | 2012-11-15 | Color filter and color display device |
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| CN202870328U true CN202870328U (en) | 2013-04-10 |
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| CN2012206045958U Expired - Fee Related CN202870328U (en) | 2012-11-15 | 2012-11-15 | Color filter and color display device |
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| CN (1) | CN202870328U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105700261A (en) * | 2016-04-18 | 2016-06-22 | 深圳市华星光电技术有限公司 | Array substrate, manufacturing method thereof and liquid crystal displayer |
| CN105868742A (en) * | 2016-05-26 | 2016-08-17 | 京东方科技集团股份有限公司 | Display unit and display device |
| CN108363238A (en) * | 2018-04-25 | 2018-08-03 | 京东方科技集团股份有限公司 | A kind of reflecting type liquid crystal display panel and preparation method thereof, display device |
| CN110473984A (en) * | 2019-08-27 | 2019-11-19 | 昆山工研院新型平板显示技术中心有限公司 | The preparation method of display panel, display device and display panel |
| CN111308693A (en) * | 2020-03-30 | 2020-06-19 | 无锡视美乐激光显示科技有限公司 | Filter device, wavelength conversion device, light engine device and projection system |
| CN111679424A (en) * | 2020-06-29 | 2020-09-18 | 无锡视美乐激光显示科技有限公司 | Wavelength conversion device and light source equipment |
| CN112255829A (en) * | 2020-10-22 | 2021-01-22 | Tcl通讯（宁波）有限公司 | Display panel and display device |
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2012
- 2012-11-15 CN CN2012206045958U patent/CN202870328U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105700261B (en) * | 2016-04-18 | 2019-07-12 | 深圳市华星光电技术有限公司 | Array substrate and its manufacturing method, liquid crystal display |
| WO2017181463A1 (en) * | 2016-04-18 | 2017-10-26 | 深圳市华星光电技术有限公司 | Array substrate and method for manufacturing same, and display device |
| CN105700261A (en) * | 2016-04-18 | 2016-06-22 | 深圳市华星光电技术有限公司 | Array substrate, manufacturing method thereof and liquid crystal displayer |
| CN105868742A (en) * | 2016-05-26 | 2016-08-17 | 京东方科技集团股份有限公司 | Display unit and display device |
| CN108363238B (en) * | 2018-04-25 | 2021-03-23 | 京东方科技集团股份有限公司 | Reflective liquid crystal display panel, preparation method thereof and display device |
| CN108363238A (en) * | 2018-04-25 | 2018-08-03 | 京东方科技集团股份有限公司 | A kind of reflecting type liquid crystal display panel and preparation method thereof, display device |
| CN110473984A (en) * | 2019-08-27 | 2019-11-19 | 昆山工研院新型平板显示技术中心有限公司 | The preparation method of display panel, display device and display panel |
| CN110473984B (en) * | 2019-08-27 | 2021-12-24 | 昆山工研院新型平板显示技术中心有限公司 | Display panel, display device and preparation method of display panel |
| CN111308693A (en) * | 2020-03-30 | 2020-06-19 | 无锡视美乐激光显示科技有限公司 | Filter device, wavelength conversion device, light engine device and projection system |
| CN111308693B (en) * | 2020-03-30 | 2021-05-04 | 无锡视美乐激光显示科技有限公司 | Filter device, wavelength conversion device, light engine device and projection system |
| CN111679424A (en) * | 2020-06-29 | 2020-09-18 | 无锡视美乐激光显示科技有限公司 | Wavelength conversion device and light source equipment |
| CN111679424B (en) * | 2020-06-29 | 2021-07-13 | 无锡视美乐激光显示科技有限公司 | Wavelength conversion device and light source equipment |
| CN112255829A (en) * | 2020-10-22 | 2021-01-22 | Tcl通讯（宁波）有限公司 | Display panel and display device |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130410 Termination date: 20211115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |