Patent ID: 9429234
Filing Date: 2016-08-30
CPC Classification: B60Q,F16H

Claim Text:
1. A gear stage display device of a vehicle, comprising: a light-emitting unit configured to generate light with different brightnesses; a first brightness controller connected to the light-emitting unit and configured to adjust the light-emitting unit to a first brightness; and a second brightness controller connected in parallel to the first brightness controller and configured to adjust the light-emitting unit to a second brightness, wherein in response to receiving a brightness control signal and a gear stage selection signal, one of the first brightness controller and the second brightness controller is operated to adjust the light-emitting unit to one of the first brightness and the second brightness, and wherein the first brightness controller includes: a first switching device connected to the light-emitting unit; a first signal input terminal configured to receive a first brightness control signal and transmit the first brightness control signal to the first switching device; a second switching device connected to the first switching device; and a second signal input terminal configured to receive the gear stage selection signal and transmit the gear stage selection signal to the second switching device.