公开(公告)号：US20240265887A1

公开(公告)日：2024-08-08

申请号：US18413288

申请日：2024-01-16

Applicant: Sharp Display Technology Corporation

Inventor： Kazuya KONDOH

IPC: G09G3/36 ,  G06F3/14

CPC classification number: G09G3/3648 ,  G06F3/1446 ,  G09G2300/026 ,  G09G2320/0247

Abstract: A liquid crystal display module for a multi-screen display device includes a liquid crystal display panel that includes a first gate driver connected to one ends of a plurality of gate bus lines and a second gate driver connected to other ends of the plurality of gate bus lines, and a control device. The control device receives, from a host computer, an image signal and an arrangement information signal indicating arrangement information of the liquid crystal display panel in the multi-screen display device, generates a gate signal from the image signal, and outputs the gate signal to one or both of the first gate driver and the second gate driver determined based on the arrangement information signal.

公开(公告)号：US20240005885A1

公开(公告)日：2024-01-04

申请号：US18141908

申请日：2023-05-01

Applicant: Sharp Display Technology Corporation

Inventor： Masaki UEHATA ,  Yasuki MORI ,  Kohji SAITOH ,  Takayuki MIZUNAGA ,  Kazuya KONDOH ,  Takashi NOJIMA ,  Kazuhisa YOSHIMOTO ,  Kosuke KAWAMOTO ,  Hiroyuki KITO ,  Kazuki NAKAMICHI

IPC: G09G3/36

CPC classification number: G09G3/36 ,  G09G2310/0202 ,  G09G2310/0291 ,  G09G2310/08 ,  G09G2330/021 ,  G09G2320/0209 ,  G09G2320/0247

Abstract: A common electrode driver includes an inverting amplifier including a first resistor, a second resistor, and an operational amplifier, and a resistance ratio adjustment circuit that adjusts, in accordance with a length of one horizontal scan period, a resistance ratio being a ratio of a resistance value of the second resistor to a resistance value of the first resistor. A feedback voltage is provided to one end of the first resistor. The resistance ratio adjustment circuit sets the resistance ratio when second driving is performed, in which a length of one horizontal scan period is a second time longer than a first time, to be smaller than the resistance ratio when first driving is performed, in which a length of one horizontal scan period is the first time.