Samsung electronics co., ltd. (20250024168). IMAGE SENSOR: Difference between revisions
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IMAGE SENSOR
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IMAGE SENSOR
This abstract first appeared for US patent application 20250024168 titled 'IMAGE SENSOR
Original Abstract Submitted
an image sensor including: a pixel array including pixels; and a logic circuit including a row decoder to drive selected pixels, a column decoder to vary exposure time periods for a portion of the selected pixels, and a readout circuit to obtain pixel signals from the selected pixels, wherein each of the pixels includes a photodiode, a first transfer transistor connected between the photodiode and a first floating diffusion region, a second transfer transistor connected between the first floating diffusion region and a second floating diffusion region, a first reset transistor and a switch transistor connected to each other in series between a power node and the first floating diffusion region, a second reset transistor connected between the power node and the second floating diffusion region, a source-follower transistor connected to the second floating diffusion region, and a select transistor connected to the source-follower transistor.