Tunnel adaptive display screen

The utility model discloses a tunnel self-adaptive display screen, which comprises an ARM main control chip, a control circuit, a driver and an LED display module, the driver comprises a row driver and a column driver, the LED display module comprises an LED display screen, the ARM main control chip...

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Bibliographic Details
Main Authors TANG QI, JIA YAXING, LI RUCAN, ZHAO YONG, WEI XUDONG, ZHAO YANG
Format Patent
LanguageChinese
English
Published 07.03.2023
Subjects
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CRYPTOGRAPHY
DISPLAY
EDUCATION
PHYSICS
SEALS
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Summary:The utility model discloses a tunnel self-adaptive display screen, which comprises an ARM main control chip, a control circuit, a driver and an LED display module, the driver comprises a row driver and a column driver, the LED display module comprises an LED display screen, the ARM main control chip controls the LED display screen to display, and the ARM main control chip controls the brightness of the LED display screen. The ARM main control chip is connected with the pyroelectric infrared sensor and the light sensor; the pyroelectric infrared sensor and the light sensor are combined, the pyroelectric infrared sensor detects the position of a human body, the light sensor detects the intensity of light around the display screen, and when the pyroelectric infrared sensor detects the human body, the ARM main control chip controls the PWM circuit according to the intensity of the light around the display screen detected by the light sensor. And the driving voltage of the display driving power supply is reduced,
Bibliography:Application Number: CN202221664869U