Light reception device and distance measurement module

A light reception device, comprising:

• an on-chip lens;
• a wiring layer;
• and
• a semiconductor layer arranged between the on-chip lens and the wiring layer, wherein
• the semiconductor layer includes:
• a first tap having a first voltage application portion to which a first voltage is applied and a first charge detection portion arranged around the first voltage application portion;
• and
• a second tap having a second voltage application portion to which a second voltage different from the first voltage is applied and a second charge detection portion arranged around the second voltage application portion,
• wherein the on-chip lens is configured such that a position thereof differs depending upon an in-plane position of a pixel array section, so that an optical path length or a DC contrast of a chief ray from an object is uniform at in-plane pixels of the pixel array section;
• a driving section configured to supply the first voltage or the second voltage to the first voltage application portion or the second voltage application portion;
• and
• a voltage supply line configured to transmit the first voltage or the second voltage from the driving section to the first voltage application portion or the second voltage application portion, wherein
• the voltage supply line has a line width that varies depending upon a distance from the driving section.

A distance measurement module, comprising:

• a light reception device, including:
• an on-chip lens;
• a wiring layer;
• and
• a semiconductor layer arranged between the on-chip lens and the wiring layer, wherein
• the semiconductor layer includes:
• a first tap having a first voltage application portion to which a first voltage is applied and a first charge detection portion arranged around the first voltage application portion;
• and
• a second tap having a second voltage application portion to which a second voltage different from the first voltage is applied and a second charge detection portion arranged around the second voltage application portion,
• wherein the first and second voltage application portions are configured from first and second transfer transistors formed from the semiconductor layer, respectively, and
• wherein, in the light reception device, the on-chip lens is configured such that the position thereof differs depending upon an in-plane position of the pixel array section such that an optical path length or a DC contrast of a chief ray from an object is uniform at in-plane pixels of the pixel array section;
• a light source configured to illuminate illumination light having a brightness that varies periodically;
• and
• a light emission controlling section configured to control an illumination timing of the illumination light.