The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 03, 2022
Filed:
Jun. 02, 2021
Radiant(guangzhou) Opto Electronics Co., Ltd, Guangdong, CN;
Radiant Opto Electronics Corporation, Kaohsiung, TW;
Wei-Hsuan Chen, Kaohsiung, TW;
Yung-Hui Tai, Kaohsiung, TW;
RADIANT (GUANGZHOU) OPTO-ELECTRONICS CO. LTD., Guangdong, CN;
RADIANT OPTO-ELECTRONICS CORPORATION, Kaohsiung, TW;
Abstract
A light directing sheet includes a light-incident side and a light-exit side opposite to the light-incident side. The light-exit side can be divided into a middle area and two side areas along an X-axis direction. The side areas are located on both sides of the middle area. A plurality of strip structures are protruded and arranged on each of the side areas, and the strip structures are arranged along the direction of the X axis and elongated along the direction of a Y axis perpendicular to the X axis. The strip structures are in a staggered arrangement of high microstructures and low microstructures with a height lower than the high microstructures. Through the type and arrangement of the strip structures on the light directing sheet, the light with an excessively large angle can be refracted again. A backlight module and a display device include the light directing sheet.