Title:
ディスプレイのためのバックライト装置
Document Type and Number:
Japanese Patent JP7203155
Kind Code:
B2
Abstract:
A backlight apparatus includes a backlight panel (40) including light-emitting diode (LED) channels (CH11, CH21 ..., CH93) having a matrix structure and divided into a plurality of control units, a column driver (10) configured to provide, in a horizontal period unit, column signals (D1, D2, D3, ...) corresponding to columns of the LED channels, a row driver (20) configured to provide, in a frame unit, row signals (G1, G2, G3, ...) corresponding to rows of the LED channels and to sequentially provide the row signals in the horizontal period included in the frame, and current control integrated circuits (T11, T12, ...) disposed in the backlight panel in a way to correspond to the control units, respectively, and each configured to receive the column signal and the row signals corresponding to LED channels of the control unit and to control emission of the LED channels of the control unit.
Inventors:
Kim, Minsung
Kim, Younggun
Kim, Younggun
Application Number:
JP2021102427A
Publication Date:
January 12, 2023
Filing Date:
June 21, 2021
Export Citation:
Assignee:
Global Technologies Company Limited
Kim, Minsung
Kim, Younggun
Kim, Minsung
Kim, Younggun
International Classes:
H05B45/44; H05B45/10; H05B45/37; H05B45/38; H05B47/16
Domestic Patent References:
| JP2020004708A | ||||
| JP2020027273A | ||||
| JP2009139931A | ||||
| JP2008186668A | ||||
| JP2015043326A |
Foreign References:
| WO2012020615A1 | ||||
| US20090134814 |
Attorney, Agent or Firm:
Kunio Ueda
Junichiro Yanagi
Kunihiko Takeuchi
Junichiro Yanagi
Kunihiko Takeuchi
Previous Patent: Reactor protection system and how to operate it
Next Patent: Vehicle and vehicle control method
Next Patent: Vehicle and vehicle control method