Light sensor and sensing method thereof
AssigneeGuangzhou Tyrafos Semiconductor Technologies Co., LTD
InventorsPing-Hung Yin, Jia-Shyang Wang
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Abstract
A light sensor and a sensing method thereof are provided. The light sensor includes a plurality of sensing sub-pixels and a control circuit. The sensing sub-pixels are arranged in an array to form a sensing array. The control circuit is coupled to the sensing sub-pixels. The control circuit operates a plurality of diodes of the sensing sub-pixels in a photodiode mode to sense intensity of ambient light. The control circuit operates the diodes in a Geiger mode or in an avalanche linear mode according to the intensity of the ambient light.
Claims20
A light sensor, comprising:
- a plurality of sensing sub-pixels, arranged in an array to form a sensing array;
- and
- a control circuit, coupled to the sensing sub-pixels,
- wherein the control circuit operates a plurality of diodes of the sensing sub-pixels in a photodiode mode to sense intensity of ambient light, and the control circuit operates the diodes in a Geiger mode or in an avalanche linear mode according to the intensity of the ambient light.
A sensing method, suitable for a light sensor, wherein the light sensor comprises a plurality of sensing sub-pixels and a control circuit, and the sensing method comprises:
- operating a plurality of diodes of the sensing sub-pixels in a photodiode mode by the control circuit to sense intensity of ambient light;
- and
- operating the diodes in a Geiger mode or in an avalanche linear mode by the control circuit according to the intensity of the ambient light.
Dependencies are inferred from the claim text.