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:
Sep. 08, 2020
Filed:
May. 09, 2019
Hefei Boe Optoelectronics Technology Co., Ltd., Anhui, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Lu Gao, Beijing, CN;
Bing Zhang, Beijing, CN;
Liang Gao, Beijing, CN;
Jingbin Jie, Beijing, CN;
Hai Tang, Beijing, CN;
Hefei BOE Optoelectronics Technology Co., Ltd., Hefei, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
A direct type backlight source, a manufacturing method thereof, and a display device are disclosed, the direct type backlight includes a light emitting module including a substrate and a plurality of light emitting units arranged on the substrate; a lens film layer positioned on a light emitting side of the light emitting module, one side of the lens film layer away from the substrate is provided with a plurality of collimating structures arranged in an array, each of the collimating structures includes at least one convex surface structure, and the plurality of collimating structures are in one-to-one correspondence with the plurality of light emitting units.