18454110. IMAGE SENSOR simplified abstract (SAMSUNG ELECTRONICS CO., LTD.)

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IMAGE SENSOR

Organization Name

SAMSUNG ELECTRONICS CO., LTD.

Inventor(s)

Jehyung Ryu of Suwon-si (KR)

Hajin Lim of Suwon-si (KR)

Taeksoo Jeon of Suwon-si (KR)

IMAGE SENSOR - A simplified explanation of the abstract

This abstract first appeared for US patent application 18454110 titled 'IMAGE SENSOR

Simplified Explanation

The image sensor described in the patent application includes a semiconductor substrate with two adjacent pixels, separated by a pixel isolation structure. An anti-reflection layer covers the pixels and the isolation structure, and a through via structure is present in a through via hole in the anti-reflection layer and the substrate.

  • The image sensor has a pixel isolation structure to prevent crosstalk between adjacent pixels.
  • An anti-reflection layer is used to reduce unwanted reflections and improve image quality.
  • The through via structure allows for electrical connections between different layers of the sensor.
  • The through via structure includes a first conductive layer and a second conductive layer for efficient signal transmission.
  • The materials used in the anti-reflection layer and the conductive layers are carefully chosen for optimal performance.

Potential Applications

  • Digital cameras
  • Smartphone cameras
  • Surveillance cameras
  • Medical imaging devices

Problems Solved

  • Crosstalk between pixels
  • Unwanted reflections in images
  • Efficient electrical connections in the sensor

Benefits

  • Improved image quality
  • Enhanced performance in various imaging devices
  • Better signal transmission efficiency


Original Abstract Submitted

Provided is an image sensor including a semiconductor substrate including a first pixel and a second pixel adjacent to the first pixel, a pixel isolation structure between the first pixel and the second pixel, an anti-reflection layer on the first pixel, the second pixel, and the pixel isolation structure, and a through via structure in a through via hole that is in the anti-reflection layer and the semiconductor substrate. The through via structure may include a first conductive layer on an inner wall of the through via hole, and a second conductive layer on the first conductive layer on the inner wall of the through via hole, and the anti-reflection layer may include TiO, and the first conductive layer may include a material having a higher work function than Ti.