Color film substrate, display panel and display device
A color filter substrate and display panel technology, which is used in printing image acquisition, instruments, computing, etc., can solve the problems of large influence of infrared fingerprint imaging and low transmittance, so as to improve the fingerprint recognition effect, avoid color mixing, and ensure normal operation. The effect of the display function
Pending Publication Date: 2020-12-04
BOE TECH GRP CO LTD
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Problems solved by technology
At present, in the under-screen fingerprint recognition products based on liquid crystal display panels (LCD), the color resistance of red / green / blue colors can transmit infrared light, while the black matrix (BM) made of carbon black material is transparent to infrared bands. The pass rate is very low, which has a great impact on infrared fingerprint imaging
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[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the following will clearly and completely describe the technical solutions of the embodiments of the present invention in conjunction with the drawings of the embodiments of the present invention. It should be noted that the size and shape of each figure in the drawings do not reflect the actual scale, but are only intended to schematically illustrate the content of the present invention. And the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. Apparently, the described embodiments are some, not all, embodiments of the present invention. Based on the described embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0029] U...
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Abstract
The invention discloses a color film substrate, a display panel and a display device. The color film substrate comprises: an underlayer substrate; a light filtering layer located on the underlayer substrate, provided with a plurality of pixel openings and configured to block visible light and transmit infrared light to be multiplexed into a black matrix, wherein the transmittance of the light filtering layer to the infrared light is larger than that of the black matrix to the infrared light; and a color resistance layer located on the side, away from the underlayer substrate, of the light filtering layer, wherein the color resistance layer comprises a plurality of color resistors, and each color resistor is arranged corresponding to one pixel opening and extends to the light filtering layer from the corresponding pixel opening. By arranging the light filtering layer multiplexed into the black matrix, color mixing between adjacent color resistors is avoided, and the normal display function is guaranteed; and in addition, the transmittance of the light filtering layer to the infrared light is greater than the transmittance of the black matrix to the infrared light, so that the intensity of the infrared light reflected by a fingerprint irradiated to a fingerprint identification module is increased, and the fingerprint identification effect is effectively improved.
Description
technical field [0001] The present invention relates to the field of display technology, in particular to a color filter substrate, a display panel and a display device. Background technique [0002] Fingerprint recognition, as a biometric method, plays a huge role in protecting personal privacy. At present, almost all electronic products in the market are equipped with fingerprint recognition systems, such as cars, mobile phones, punch cards, etc., can all have fingerprint recognition functions. [0003] Fingerprint recognition technologies mainly include under-screen infrared fingerprint recognition, in-screen capacitive fingerprint recognition, and in-screen optical fingerprint recognition. Among them, products for under-screen infrared fingerprint recognition are favored by many consumers because of their simple and beautiful design. At present, in the under-screen fingerprint recognition products based on liquid crystal display panels (LCD), the color resistance of red / ...
Claims
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IPC IPC(8): G02F1/1335G02F1/1333G02F1/13357G06K9/00
CPCG02F1/133512G02F1/133514G02F1/1333G02F1/1336G06V40/1318G02F2203/11G02F1/13338
Inventor 佟洁陈延青赵婷婷禹映雪范利涛汪栋
Owner BOE TECH GRP CO LTD