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Patent Searching and Data


Title:
INFRARED TOUCH SCREEN AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/045595
Kind Code:
A9
Abstract:
An infrared touch screen and a display device. The infrared touch screen comprises: a cover plate having a light incident surface and a light exit surface that are connected by a first side surface; an infrared light source disposed on a side of the light incident surface of the cover plate; a first frame; and a first infrared filter strip that is connected to the first frame and is disposed on a side of a first side surface of the cover plate, the first infrared filter strip being used for converting at least part of the infrared light emitted by the infrared light source to propagate in a direction parallel to the light exit surface on a side of the light emergent surface of the cover plate.

Inventors:
YE XIONGBO (CN)
LIU YIMING (CN)
HUANG HUA (CN)
Application Number:
PCT/CN2022/110934
Publication Date:
September 14, 2023
Filing Date:
August 08, 2022
Export Citation:
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Assignee:
SHENZHEN HUASHENG SOFTWARE TECH CO LTD (CN)
TCL BUSINESS INFORMATION TECH HUIZHOU CO LTD (CN)
International Classes:
G06F3/041
Attorney, Agent or Firm:
PURPLEVINE INTELLECTUAL PROPERTY (SHENZHEN) CO., LTD. (CN)
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