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US 2022/0019760 A1Published application
Display device
AssigneeSamsung Display Co., Ltd.
InventorsGOEUN CHA, KEUMDONG JUNG, Yuna KIM, KYUNGTEA PARK, SOOJUNG LEE, KANGBIN JO
Life of this patent
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Abstract
A display device includes: a display panel to display an image by generating light, a sensor disposed under the display panel to convert a light energy into an electrical energy, a voltage generator connected to the sensor, and a capacitive element connected to the sensor. The electrical energy generated by the sensor is charged in the capacitive element. The sensor senses an object using the light reflected by the object.
Claims19
A display device comprising:
- a display panel to display an image by generating light;
- a sensor disposed under the display panel to convert a light energy into an electrical energy;
- a voltage generator connected to the sensor;
- and
- a capacitive element connected to the sensor, wherein the electrical energy generated by the sensor is charged in the capacitive element,
- wherein the sensor senses an object using the light reflected by the object.
3 more elements
A display device comprising:
- a display panel;
- a fingerprint sensor disposed under the display panel;
- a first switch;
- a voltage generator connected to the fingerprint sensor via the first switch;
- a capacitive element connected to the voltage generator;
- a second switch;
- a fingerprint sensing controller connected to the fingerprint sensor via the second switch;
- and
- a control module to control a switching operation of the first switch and the second switch.
6 more elements
Dependencies are inferred from the claim text.