Backlight systems and methods for electronic device displays

• Main Authors: CALAYIR VEHBI, PIPER JOHAN L
• Format: Patent
• Language: Chinese; English
• Published: 24.03.2020
• Subjects: ADVERTISING; ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION; CRYPTOGRAPHY; DISPLAY; EDUCATION; ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; PHYSICS; SEALS

The disclosure relates to backlight systems and methods for electronic device displays. Aspects of the subject technology relate to control circuitry for light-emitting diodes (LEDs). The control circuitry may include an LED timing controller integrated circuit configured to receive data from host circuitry for an electronic device, an LED row driver integrated circuit, the LED row driver integrated circuit configured to connect a high voltage power rail to the light-emitting diodes via plurality of switches, and LED column driver integrated circuits each configured to adjust a current throughat least one of the light-emitting diodes. 本公开涉及电子设备显示器的背光系统和方法。本主题技术的方面涉及用于发光二极管(LED)的控制电路。控制电路可包括被配置为从电子设备的主机电路接收数据的LED时序控制器集成电路；LED行驱动器集成电路，该LED行驱动器集成电路被配置为经由多个开关将高压电力轨连接到发光二极管；以及LED列驱动器集成电路，每个LED列驱动器集成电路被配置为调节通过发光二极管中的至少一个的电流。