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:
Aug. 17, 2021
Filed:
Mar. 12, 2020
Beijing Boe Optoelectronics Technology Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Jinzhao Zhou, Beijing, CN;
Jian Zhang, Beijing, CN;
Tingting Zhao, Beijing, CN;
Litao Fan, Beijing, CN;
Meiling Jin, Beijing, CN;
Lulu Li, Beijing, CN;
Liangliang Li, Beijing, CN;
Yujie Liu, Beijing, CN;
Yingxue Yu, Beijing, CN;
Qin Xin, Beijing, CN;
Cai Zheng, Beijing, CN;
Yahui Niu, Beijing, CN;
Zhiqiang Zhang, Beijing, CN;
Jiao Chang, Beijing, CN;
BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beiiing, CN;
Abstract
Embodiments of the present application provide a backlight module, a display panel and a display device. The backlight module includes a metal backplate, a control unit, and a switch, a metal backplate is applied with a coupling voltage under an electric field coupling action, the switch includes a control terminal, a first terminal and a second terminal, the first terminal is electrically connected with the metal backplate, and a second terminal is grounded, the control unit is electrically connected with the metal backplate and the control terminal of the switch, respectively, the control unit controls whether the switch is turned on or turned off depending on a value of the coupling voltage, and the control unit controls whether the metal backplate is grounded.