Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Liquid crystal display panel and liquid crystal display device

A liquid crystal display panel and liquid crystal layer technology, applied in nonlinear optics, instruments, optics, etc., can solve the problem of difficult sensing under the liquid crystal display panel, and achieve the effect of improving the strength

Active Publication Date: 2020-02-28
WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
View PDF4 Cites 8 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present application provide a liquid crystal display panel and a liquid crystal display device, which provide a collimated optical path for under-screen sensing for the liquid crystal display panel, which can effectively avoid the problem of optical crosstalk without affecting normal display, so as to solve the problem of Difficult technical problems in realizing under-screen sensing of liquid crystal display panels

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Liquid crystal display panel and liquid crystal display device
  • Liquid crystal display panel and liquid crystal display device
  • Liquid crystal display panel and liquid crystal display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] The specific structure and functional details disclosed herein are only representative, and are used for the purpose of describing exemplary embodiments of the present application. However, this application can be implemented in many alternative forms, and should not be interpreted as being limited only to the embodiments set forth herein.

[0031] In the description of this application, it should be understood that the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inner", and "outer" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply the device referred to Or the element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a liquid crystal display panel and a liquid crystal display device. A display area of the liquid crystal display panel comprises a pixel layer, a liquid crystal layer, a firstpolaroid and an optical sensor which are arranged in sequence. The first polaroid comprises a first polarizing unit and a second polarizing unit, wherein the polarizing directions of the first polarizing unit and the second polarizing unit are perpendicular and adjacent. The liquid crystal layer comprises a first liquid crystal unit corresponding to the first polarization unit and a second liquidcrystal unit corresponding to the second polarization unit, the polarization direction of polarized light passing through the first liquid crystal unit is kept unchanged, and the polarization direction of polarized light passing through the second liquid crystal unit rotates by 90 degrees; the pixel layer comprises a transparent area corresponding to the first liquid crystal unit and a pixel areacorresponding to the second liquid crystal unit; and the optical sensor is arranged corresponding to the first polarizing unit. According to the optical sensor, a collimation light path is provided for the optical sensor through the transparent area, the first liquid crystal unit and the first polarization unit which are correspondingly arranged, the optical crosstalk is avoided, and the LCD under-screen sensing technology is achieved.

Description

Technical field [0001] This application relates to the technical field of under-screen sensor type liquid crystal display devices, and in particular to a liquid crystal display panel and a liquid crystal display device. Background technique [0002] In the field of small and medium-sized displays, full-screen technology has become the current focus of development, that is, to maximize the screen-to-body ratio of human-computer interaction interfaces through the development of related technologies. The first-generation full-screen technology mainly focused on the screen size ratio changing from 16:9 to 18+:9. The second-generation full-screen technology further compresses the boundaries between the top and bottom of the screen, and even uses flexible folding technology to maximize the viewing area. , And the other direction of the current full screen is to integrate the fingerprint recognition, camera, face recognition, distance sensor and other sensors of the display terminal int...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G02F1/1335G02F1/13357
CPCG02F1/133528G02F1/13362
Inventor 查国伟
Owner WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com