公开(公告)号：US12196997B2

公开(公告)日：2025-01-14

申请号：US18691880

申请日：2022-07-29

Applicant: HUIZHOU TCL MOBILE COMMUNICATION CO., LTD.

Inventor： Zhuwei Qiu ,  Jitao Ma ,  Ke Lin ,  Ping Chen

IPC: F21V8/00 ,  G02B5/30 ,  G06F3/041

Abstract: A display screen (12) includes: a touch panel (1201), an optical adhesive layer (1202) disposed below the touch panel (1201), a light guide plate (1211) disposed below the optical adhesive layer (1202), and a light emitting member (1213) configured to emit light. The light guide plate (1211) includes a light guide plate layer and a diffusion layer disposed on an upper surface of the light guide plate layer, and the diffusion layer is configured to diffusely reflect light emitted by the light emitting member (1213). The optical adhesive layer (1202) includes diffusion particles for atomizing light transmitted through the light guide plate (1211).

公开(公告)号：US11086408B2

公开(公告)日：2021-08-10

申请号：US16620511

申请日：2018-01-17

Applicant: HuiZhou TCL Mobile Communication Co., Ltd.

Inventor： Zhuwei Qiu ,  Bin Luo ,  Xu Wang ,  Fan Huang ,  Xingchun Chen ,  Shengfang Qiu ,  Yong Zeng

IPC: G06F3/02 ,  H04B1/3818 ,  G06F3/023

Abstract: A keypad is provided in the present invention. The keypad includes a keypad shell and a keypad circuit board provided within the keypad shell. The keypad shell is provided with at least two subscriber identity module (SIM) card sockets and a first communication module connected to the SIM card sockets and configured to access the Internet. A SIM card switch is provided between the first communication module and the SIM card sockets. Compared to the prior art, the present invention enables, by means of providing the keypad with the at least two SIM card sockets and the first communication module supporting all major operators, the keypad to access the Internet when connected to a mobile terminal, and ensures uninterrupted Internet data access by switching to a SIM card of a different operator when the SIM card of the current operator has weak reception.