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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.:

US 11927878 B1

PDFFull Text
Date of Patent:
Mar. 12, 2024

Filed:

Jun. 09, 2021

Projection screen, manufacturing method, and display system having nanoparticle layers

Applicants:

Beijing Boe Display Technology Co., Ltd., Beijing, CN;

Boe Technology Group Co., Ltd., Beijing, CN;

Inventors:

Guangyun Tong, Beijing, CN;

Yu Zhang, Beijing, CN;

Zhuolong Li, Beijing, CN;

Xuefei Qin, Beijing, CN;

Junning Su, Beijing, CN;

Assignees:

BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., Beijing, CN;

BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;

Attorney:

Lippes Mathias LLP

Primary Examiner:

Darlene M Ritchie

Int. Cl.
CPC ...
G03B 21/62 (2014.01); B05B 1/14 (2006.01); B05B 1/20 (2006.01); B05B 13/04 (2006.01); B32B 7/12 (2006.01); B32B 17/06 (2006.01); B32B 27/06 (2006.01); G06F 3/041 (2006.01); G06F 3/044 (2006.01); H04N 9/31 (2006.01);
U.S. Cl.
CPC ...
G03B 21/62 (2013.01); B05B 1/14 (2013.01); B05B 1/20 (2013.01); B32B 7/12 (2013.01); B32B 17/06 (2013.01); B32B 27/06 (2013.01); G06F 3/0416 (2013.01); G06F 3/0446 (2019.05); B05B 13/04 (2013.01); B32B 2307/412 (2013.01); B32B 2307/538 (2013.01); B32B 2307/732 (2013.01); B32B 2457/208 (2013.01); G06F 2203/04103 (2013.01); H04N 9/3179 (2013.01);
Abstract

Provided is a projection screen. The projection screen includes a first transparent cover plate, a transparent touch panel, and a first nanoparticle layer, wherein the first nanoparticle layer and the first transparent cover plate are sequentially laminated on one side of the transparent touch panel, and the first nanoparticle layer comprises a plurality of dispersed nanoparticles of different particle sizes. A method for manufacturing a projection screen, a projection display system, and a projection display method are also provided.

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