Blue light resistance, color light filtering substrate using the blue light resistance and displaying device

A color filter substrate and blue photoresist technology, which is applied in the direction of optical filters, optics, optical components, etc., can solve the problems of image display quality impact, blue photoresist light transmittance decrease, display white point yellowish, etc. Achieve the effect of improving the overall transmittance, high brightness and chromaticity performance, and good chromaticity performance

Inactive Publication Date: 2012-01-18
AU OPTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to make the color performance of the images displayed by these displays meet the requirements, the thickness of the blue photoresist film in the color filter substrate is usually increased, but this method will reduce the light transmittance of the blue photoresist, which will cause the display The displayed white point is yellowish
Moreover, the height difference between the blue photoresist and other color photoresists will also have a negative impact on the image display quality of the display.

Method used

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  • Blue light resistance, color light filtering substrate using the blue light resistance and displaying device
  • Blue light resistance, color light filtering substrate using the blue light resistance and displaying device
  • Blue light resistance, color light filtering substrate using the blue light resistance and displaying device

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Embodiment Construction

[0042] figure 1 It is a schematic cross-sectional view of a color filter substrate according to an embodiment of the present invention. Please refer to figure 1 , the color filter substrate 100 of this embodiment includes a substrate 110, a plurality of red photoresist 120r, a plurality of green photoresist 120g and a plurality of blue photoresist 120b, wherein the red photoresist 120r, the green photoresist 120g and the blue photoresist 120b is disposed on the substrate 110 . In addition, the color filter substrate 100 may further include a black matrix 130 for shielding light. The black matrix 130 is disposed on the substrate 110 , and the red photoresist 120r , the green photoresist 120g and the blue photoresist 120b are located in the area surrounded by the black matrix 130 .

[0043] figure 2 It is a transmission spectrum function graph of blue photoresist and red light color matching function (color match function X) and blue light color matching function (color mat...

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Abstract

A blue light resistance is suitable for a color light filtering substrate. Between a 380 nm wavelength and a 580 nm wavelength, the full width at half maximum of a spectrum function of the blue light resistance is Ha, and the full width at half maximum of a blue color matching function made according to the international commission on illumination is Hb, and 3.7>Ha / Hb>1.91. Because the blue lightresistance enables a light transmittance to be improved, the light utilization ratios of the color light filtering substrate and the displaying device can be improved by using the blue light resistance.

Description

【Technical field】 [0001] The present invention relates to a display device, and in particular to a blue photoresist for a color filter substrate, a color filter substrate and a display device using the blue photoresist. 【Background technique】 [0002] With the advancement of flat panel display technology and the advantages of light weight, small size and power saving of flat panel displays, flat panel displays have become more and more popular. Common flat panel displays include liquid crystal display (liquid crystal display, LCD), plasma display panel (plasma display panel, PDP), organic light emitting diode display (organic light emitting diode display, OLED display) and electrophoretic display (electrophoretic display, EPD), etc. . [0003] Among these displays, most of them require a color filter substrate to display color images. In order to make the color performance of the images displayed by these displays meet the requirements, the thickness of the blue photoresis...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B5/20G02F1/1335
CPCG02F1/133514G02F1/1335G02B5/201G02F2001/133614G02B5/20G02F1/133603G02F1/133614
Inventor 陈奎百陈建凯廖烝贤李家豪
Owner AU OPTRONICS CORP
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