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US 2023/0267759 A1Published application
Fingerprint sensor and a display device including the same
AssigneeSamsung Display Co., Ltd.
InventorsKyo Won KU, Young Sik KIM, Jung Hak KIM, Jeong Heon LEE, Hee Yeon CHOI
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Abstract
A fingerprint sensor including: a substrate; a light sensing element that includes a sensing electrode disposed on the substrate, a semiconductor layer disposed on the sensing electrode, and a common electrode disposed on the semiconductor layer; a light-blocking conductive layer disposed on the common electrode and including light transmitting holes; and a light guide unit disposed on the light-blocking conductive layer.
Claims28
A fingerprint sensor, comprising:
- a substrate;
- a light sensing element that includes a sensing electrode disposed on the substrate, a semiconductor layer disposed on the sensing electrode, and a common electrode disposed on the semiconductor layer;
- a light-blocking conductive layer disposed on the common electrode and including light transmitting holes;
- and
- a light guide unit disposed on the light-blocking conductive layer.
2 more elements
A display device, comprising:
- a display panel which displays an image;
- and
- a fingerprint sensor which is disposed on a surface of the display panel and senses light passing through the display panel, wherein the fingerprint sensor comprises:
- a substrate;
- a light sensing element that includes a sensing electrode disposed on the substrate and a common electrode disposed on the sensing electrode;
- a light-blocking conductive layer that includes light transmitting holes and is disposed on the common electrode;
- and
- a light guide portion that guides light to the light sensing element and is disposed on the light-blocking conductive layer.
5 more elements
A fingerprint sensor, comprising:
- a substrate;
- a light sensing element that includes a sensing electrode disposed on the substrate and a common electrode disposed on the sensing electrode;
- a light-blocking conductive layer that includes light transmitting holes and is disposed on the common electrode;
- and
- a light guide portion that guides light and is disposed on the light-blocking conductive layer,
- wherein the light guided by the light aide portion is incident on the light sensing element through at least one of the light transmitting holes.
3 more elements
A fingerprint sensor, comprising:
- a substrate;
- a sensing electrode disposed on the substrate and connected to a transistor;
- a common electrode disposed on the sensing electrode;
- a light-blocking conductive layer disposed on the common electrode;
- and
- a light guiding unit disposed on the light-blocking conductive layer.
3 more elements
Dependencies are inferred from the claim text.