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CN102455561A - Color display device - Google Patents

Color display device Download PDF

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Publication number
CN102455561A
CN102455561A CN2010105267665A CN201010526766A CN102455561A CN 102455561 A CN102455561 A CN 102455561A CN 2010105267665 A CN2010105267665 A CN 2010105267665A CN 201010526766 A CN201010526766 A CN 201010526766A CN 102455561 A CN102455561 A CN 102455561A
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Prior art keywords
display device
area
layer
present
optical filtering
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CN2010105267665A
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CN102455561B (en
Inventor
王以靓
林东亮
陈礼廷
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E Ink Holdings Inc
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E Ink Holdings Inc
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Abstract

A color display device comprises a lower substrate, a driving array, a display layer, a color filter substrate and a transparent substrate. The driving array is arranged on the lower substrate. The display layer is configured on the driving array and comprises a first area and a second area. The color filter substrate is arranged on the display layer and is positioned in the first area. The transparent substrate is configured on the display layer and is positioned in the second area. The color display device has higher light reflectivity, and is beneficial to improving the display quality of the display device.

Description

Colour display device
Technical field
The present invention relates to a kind of display device, and be particularly related to a kind of colour display device.
Background technology
Traditional electrophoretic display apparatus disposes black and white electrophoresis showed layer usually, is the white and black displays device therefore.In order to let electrophoretic display apparatus have more the market competitiveness, can adopt colored filter (colorfilter) to make electrophoretic display apparatus reach the effect of colorize in the prior art, so that electrophoretic display apparatus meets the trend that present flat display apparatus is pursued colorize.
Colored filter is made up of substrate and the color filter patterns that is disposed on the substrate usually.During use; Colored filter is attached on the whole black and white electrophoresis showed layer; And the color filter patterns (for example red filter pattern, green filter pattern and blue filter pattern) that sees through colored filter carries out color combination with the black electrophoretic particles and the white electrophoretic particles of black and white electrophoresis showed layer, makes electrophoretic display apparatus realize the colorize effect.But the color filter patterns of colored filter is normally processed by the chromatic photoresist material, and its absorption to light can cause light loss, and then makes that the light transmittance of colored filter is not good.When sticking on colored filter above the black and white electrophoresis showed layer at reflective electrophoretic display apparatus; Black and white electrophoresis showed layer can wholely be covered by colored filter; Thus; The integral light reflectivity of display device can be not good lower because of the light transmittance of colored filter, and then cause the display quality of display device not good.
Summary of the invention
In view of this, the present invention provides a kind of colour display device, has higher light reflectivity, helps improving colored display brightness, and then promotes the display quality of display device.
For reaching above-mentioned and other advantage, the present invention proposes a kind of colour display device, and it comprises infrabasal plate, drives array, display layer, colored optical filtering substrates and transparency carrier.Drive array configurations on infrabasal plate.Display layer is disposed at and drives on the array, and comprises first area and second area.Colored optical filtering substrates is disposed on the display layer, and is positioned at the first area.Transparency carrier is disposed on the display layer, and is positioned at second area.
In other embodiment of the present invention, above-mentioned colored optical filtering substrates comprises dianegative and chromatic filter layer, and chromatic filter layer comprises a plurality of colorized optical filtering photoresistances, and is arranged between dianegative and the display layer.
In other embodiment of the present invention, above-mentioned dianegative is penetration glass or optics plastic film.
In other embodiment of the present invention, the thickness of above-mentioned transparency carrier equals the thickness sum of the thickness and the dianegative of chromatic filter layer, and dianegative is connected as a whole with transparency carrier.
In other embodiment of the present invention, above-mentioned transparency carrier is penetration glass or optics plastic film.
In other embodiment of the present invention, above-mentioned display layer is the electrophoresis showed layer.
In other embodiment of the present invention, the area ratio of above-mentioned first area and second area is between 20% to 80%.
For reaching above-mentioned and other advantage, the present invention proposes a kind of colour display device, it comprises infrabasal plate, drives array, first header board (front plane laminate, FPL), second header board and colored optical filtering substrates.Drive array configurations on infrabasal plate, and comprise the 3rd zone and the 4th zone.First header board is disposed at and drives on the array, and is positioned at the 3rd zone.Second header board is disposed at and drives on the array, and is positioned at the 4th zone.Colored optical filtering substrates is disposed on first header board.
In other embodiment of the present invention, above-mentioned colour display device more comprises transparency carrier, is arranged on second header board.
In other embodiment of the present invention, above-mentioned the 3rd zone and four-range area ratio are between 20% to 80%.
In the colour display device of the present invention, colored optical filtering substrates only covers a part of viewing area, to realize the purpose of colorize.And the viewing area that is not covered by colored optical filtering substrates for another part; Can avoid because of the not good brightness of losing reflection ray of colored optical filtering substrates light transmittance; Thereby help improving the light reflectivity of display device; With the overall light intensity of raising display device, thereby help improving colored display brightness, and then promote the display quality of display device.
Above-mentioned explanation only is the general introduction of technical scheme of the present invention; Understand technological means of the present invention in order can more to know; And can implement according to the content of instructions, and for let of the present invention above-mentioned with other purposes, feature and advantage can be more obviously understandable, below special act preferred embodiment; And conjunction with figs., specify as follows.
Description of drawings
Fig. 1 is the schematic top plan view of the colour display device of first embodiment of the invention.
Fig. 2 is the diagrammatic cross-section of the colour display device of first embodiment of the invention along the II-II line.
Fig. 3 is the diagrammatic cross-section of the colour display device of second embodiment of the invention.
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To embodiment, structure, characteristic and the effect thereof of the colour display device that proposes according to the present invention, specify as after.
Fig. 1 is the schematic top plan view of the colour display device of first embodiment of the invention.Fig. 2 is the diagrammatic cross-section of the colour display device of first embodiment of the invention along the II-II line.Please cooperate with reference to Fig. 1 and Fig. 2, the colour display device 100 of present embodiment comprises infrabasal plate 110, drives array 120, display layer 130, colored optical filtering substrates 140 and transparency carrier 150.Driving array 120 is disposed on the infrabasal plate 110.Display layer 130 is disposed at and drives on the array 120.Colored optical filtering substrates 140 and transparency carrier 150 all are disposed on the display layer 130.
Infrabasal plate 110 is a rigid substrates, for example be glass or metal substrate, but the present invention is not as limit.
Drive array 120 and be disposed on the infrabasal plate 110, comprise being a plurality of thin film transistor (TFT)s 122 that array is arranged.Thin film transistor (TFT) 122 for example can be amorphous silicon film transistor (amorphous silicon thin film transistor; A-Si TFT), polycrystalline SiTFT (poly-silicon thin film transistor; Poly-Si TFT), low temperature process thin film transistor (TFT) (low temperature poly-silicon thin filmtransistor; LTPS-TFT), OTFT (Organic thin film transistor; OTFT) or oxide thin film transistor (oxide thin film transistor oxide-TFT) etc., but is not limited thereto.
Display layer 130 for example is a black and white electrophoresis showed layer, is disposed to drive on the array 120.Display layer 130 is different according to structure, for example can be microcapsules electrophoresis showed layer or little glass of electrophoresis showed layer etc.This is not described in detail in this for the technology that those of ordinary skills are familiar with.In the present embodiment, display layer 130 comprises first area 132 and second area 134.First area 132 is adjacent with second area 134, and contains the viewing area of whole display layer 130, but not as limit.The area ratio of first area 132 and second area 134 is between 20% to 80%.Be appreciated that display layer 230 also can be other white and black displays layers, for example black-and-white crystal display layer.
Colored optical filtering substrates 140 is disposed on the first area 132 of display layer 130.In the present embodiment, colored optical filtering substrates 140 comprises dianegative 142 and chromatic filter layer 144.Dianegative 142 comprises the material with high transmission rate.Dianegative 142 for example can be penetration glass or optics plastic film.The optics plastic film for example is polyimide (polyimide; PI), poly terephthalic acid diethylester (polyethylene terephthalate; PET), gather sulfonyl (polyethersulfone; PES), polyphenyl dioctyl phthalate glycol ester (polyethylene naphthalene, PEN), (polycarbonate PC) waits macromolecule membrane to polycarbonate.Chromatic filter layer 144 is arranged at dianegative 142 and between the display layer 130 of first area 132.Chromatic filter layer 144 can comprise a plurality of colorized optical filtering photoresistances, for example is to comprise a plurality of red optical filtering photoresistance 144r, green optical filtering photoresistance 144g and blue optical filtering photoresistance 144b.
Transparency carrier 150 is disposed on the second area 134 of display layer 130.Transparency carrier 150 comprises the material with high transmission rate.Transparency carrier 150 for example can be penetration glass or optics plastic film.The optics plastic film for example is polyimide (polyimide; PI), poly terephthalic acid diethylester (polyethylene terephthalate; PET), gather sulfonyl (polyethersulfone; PES), polyphenyl dioctyl phthalate glycol ester (polyethylene naphthalene, PEN), (polycarbonate PC) waits macromolecule membrane to polycarbonate.Be appreciated that transparency carrier 150 can be one-body molded with dianegative 142, promptly connects as a whole for the ease of making.In order to make colored optical filtering substrates 140 and transparency carrier 150 better and display layer 130 applyings, preferably, the thickness of transparency carrier 150 equals the thickness sum of the thickness and the dianegative 142 of chromatic filter layer 144.
Connect saidly, in the colour display device 100, colored optical filtering substrates 140 only covers the first area 132 of display layer 130, and the second area 134 of display layer 130 is not then covered by colored optical filtering substrates 140.So, can realize that by colored optical filtering substrates 140 colorize of the first area 132 of display layer 130 shows, and the second area 134 of display layer 130 because colored optical filtering substrates 140 is not set white and black displays still.Simultaneously; See through second area 134 light and can directly penetrate transparency carrier 150 arrival display layers 130; Can not produce bigger light loss, thereby help improving the light reflectivity of colour display device 100, to improve the overall light intensity of colour display device 100; Thereby help improving the colored display brightness of the first area 132 of display layer 130, and then promote the display quality of colour display device 100.
Fig. 3 is the diagrammatic cross-section of the colour display device of second embodiment of the invention.The difference of the colour display device 100a of present embodiment and the colour display device 100 of first embodiment is the configuration of display layer.Particularly, please with reference to Fig. 3, the colour display device 100a of present embodiment comprises infrabasal plate 110, drives array 120, first header board 232 (front plane laminate, FPL), second header board 234 and colored optical filtering substrates 140.Driving array 120 is disposed on the infrabasal plate 110.First header board 232 and second header board 234 are disposed at and drive on the array 120.Colored optical filtering substrates 140 is disposed on first header board 140.
In the present embodiment, drive array 120 and have the 124 and the 4th zone 126, the 3rd zone.In the present embodiment, the 124 and the 4th zone 126, the 3rd zone is adjacent, and constitutes the viewing area of whole colour display device 100a, but not as limit.The area ratio in the 124 and the 4th zone 126, the 3rd zone is between 20% to 80%.
The structure of first header board 232 and second header board 234 comprises electrophoresis layer (figure does not show) and the transparent electrode layer (figure does not show) that is disposed on the electrophoresis layer respectively, and this is not described in detail in this for the technology that those of ordinary skills are familiar with.In the present embodiment, electrophoresis layer for example is the black and white electrophoresis layer.First header board 232 is disposed at and drives on the array 120, and is positioned at the 3rd zone 124.Second header board 234 also is disposed at and drives on the array 120, and is positioned at the 4th zone 126.
Among the colour display device 100a, colored optical filtering substrates 140 only covers first header board 232, and chromatic filter layer 144 is arranged at dianegative 142 and between first header board 232.Second header board 234 is not then covered by colored optical filtering substrates 140.So, can realize that by colored optical filtering substrates 140 colorize of first header board 232 shows, and second header board 234, colored optical filtering substrates still is the black and white demonstration because not being set.Simultaneously; Light can directly arrive second header board 234, can not pass through colored optical filtering substrates 140, therefore can not produce bigger light loss; Thereby help improving the light reflectivity of colour display device 100; Improving the overall light intensity of colour display device 100, thereby help improving the colored display brightness of first header board 232, and then promote the display quality of colour display device 100.
In addition, in the present embodiment, colour display device 100a more comprises transparency carrier 150, is arranged on second header board 234, to protect second header board 234.Light can directly penetrate transparency carrier 150 and arrive second header board 234, can not produce bigger light loss, thereby help improving the light reflectivity of colour display device 100 equally, and then promote the display quality of colour display device 100.
The quantity that is appreciated that first header board 232 and second header board 234 is corresponding with the quantity that drives the 124 and the 42 zone 126, array 120 defined the 3rd zones.In other words, be provided with the quantity that drives array 120 header boards and do not exceed with first header board 232 in the present embodiment and second header board 234, colour display device 100a can comprise that more a plurality of header boards are arranged at driving permutation 120 accordingly.
In sum, in the colour display device of the present invention, colored optical filtering substrates only covers a part of viewing area, to realize the purpose of colorize.And the viewing area that is not covered by colored optical filtering substrates for another part; Light can not pass through colored optical filtering substrates; Can not have light loss, thereby help improving the light reflectivity of display device, to improve the overall light intensity of display device because of the colored optical filtering substrates light transmittance is good; Thereby help improving colored display brightness, and then promote the display quality of display device.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment; Yet be not in order to limiting the present invention, anyly be familiar with the professional and technical personnel, in not breaking away from technical scheme scope of the present invention; When the technology contents of above-mentioned announcement capable of using is made a little change or is modified to the equivalent embodiment of equivalent variations; In every case be not break away from technical scheme content of the present invention, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical scheme of the present invention according to technical spirit of the present invention.

Claims (10)

1.一种彩色显示装置，其特是包括：1. A color display device, especially comprising: 一个下基板；a lower substrate; 一个驱动阵列，配置于该下基板上；a driving array configured on the lower substrate; 一个显示层，配置于该驱动阵列上，并具有一个第一区域以及一个第二区域；以及a display layer, configured on the driving array, and has a first area and a second area; and 一个彩色滤光基板，配置于该显示层上，并位于该第一区域；以及a color filter substrate disposed on the display layer and located in the first area; and 一个透明基板，配置于该显示层上，并位于该第二区域。A transparent substrate is arranged on the display layer and located in the second area. 2.如权利要求1所述的彩色显示装置，其特征在于，该彩色滤光基板包括：2. The color display device according to claim 1, wherein the color filter substrate comprises: 一个透明底板；以及a transparent base; and 一个彩色滤光层，包括多个彩色滤光光阻，设置于该透明底板与该显示层之间。A color filter layer, including a plurality of color filter photoresists, is arranged between the transparent base plate and the display layer. 3.如权利要求2所述的彩色显示装置，其特征在于，该透明底板为穿透式玻璃或光学塑胶薄膜。3. The color display device according to claim 2, wherein the transparent bottom plate is a transparent glass or an optical plastic film. 4.如权利要求2所述的彩色显示装置，其特征在于，该透明基板的厚度等于该彩色滤光层的厚度与透明底板的厚度之和，且该透明底板与该透明基板连接为一个整体。4. The color display device according to claim 2, wherein the thickness of the transparent substrate is equal to the sum of the thickness of the color filter layer and the thickness of the transparent base plate, and the transparent base plate and the transparent base plate are connected as a whole . 5.如权利要求1所述的彩色显示装置，其特征在于，该透明基板为穿透式玻璃或光学塑胶薄膜。5. The color display device according to claim 1, wherein the transparent substrate is a transmissive glass or an optical plastic film. 6.如权利要求1所述的彩色显示装置，其特征在于，该显示层为电泳显示层。6. The color display device as claimed in claim 1, wherein the display layer is an electrophoretic display layer. 7.如权利要求1所述的彩色显示装置，其特征在于，该第一区域与该第二区域的面积比例介于20％至80％之间。7. The color display device as claimed in claim 1, wherein an area ratio of the first region to the second region is between 20% and 80%. 8.一种彩色显示装置，其特征是包括：8. A color display device, characterized by comprising: 一个下基板；a lower substrate; 一个驱动阵列，配置于该下基板上，并包括一个第三区域以及一个第四区域；a drive array, configured on the lower substrate, and includes a third area and a fourth area; 一个第一前板，配置于该驱动阵列上，并位于该第三区域；以及a first front plate, configured on the drive array, and located in the third area; and 一个第二前板，配置于该驱动阵列上，并位于该第四区域；以及a second front plate, configured on the drive array, and located in the fourth area; and 一个彩色滤光基板，配置于该第一前板上。A color filter substrate is arranged on the first front plate. 9.如权利要求8所述的彩色显示装置，其特征在于，更包括一透明基板，设置于该第二前板上。9. The color display device as claimed in claim 8, further comprising a transparent substrate disposed on the second front plate. 10.如权利要求8所述的彩色显示装置，其特征在于，该第三区域与该第四区域的面积比例介于20％至80％之间。10 . The color display device as claimed in claim 8 , wherein an area ratio of the third region to the fourth region is between 20% and 80%. 11 .
CN201010526766.5A 2010-11-01 2010-11-01 color display device Active CN102455561B (en)

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CN102455561B CN102455561B (en) 2015-12-16

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7656476B2 (en) * 2006-05-18 2010-02-02 Lg Display Co., Ltd. Liquid crystal display and method for providing light to liquid crystal panel
CN101794050A (en) * 2008-12-23 2010-08-04 乐金显示有限公司 Color electric phoretic display device and method for manufacturing the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7656476B2 (en) * 2006-05-18 2010-02-02 Lg Display Co., Ltd. Liquid crystal display and method for providing light to liquid crystal panel
CN101794050A (en) * 2008-12-23 2010-08-04 乐金显示有限公司 Color electric phoretic display device and method for manufacturing the same

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