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US 10,504,443 B2Granted
Display device and method for operating the display device
AssigneeSamsung Display Co., Ltd.
InventorsHai Jung In, Jin Woo Kim, Jin A Kang
Life of this patent
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Abstract
A display device includes: a display panel including display pixels; a light sensor including sensing pixels, the light sensor generating sensing data, based on incident light; an illumination sensor for generating illumination data by sensing an external illumination; and a processing unit for calculating correction data by correcting the sensing data, using the illumination data.
Claims18
A display device comprising:
- a display panel comprising display pixels;
- a light sensor comprising sensing pixels and configured to generate sensing data based on incident light;
- an illumination sensor configured to generate illumination data by sensing an external illumination;
- a processing unit configured to calculate correction data by correcting the sensing data, using the illumination data;
- and
- a storage unit configured to store a first light information, a second light information, a first illumination information, and a second illumination information,
- wherein the light sensor is configured to generate the first light information in a first illumination environment and generate the second light information in a second illumination environment,
- wherein the illumination sensor is configured to generate a first illumination information in the first illumination environment and generate a second illumination information in the second illumination environment,
- wherein the processing unit is configured to calculate the correction data based on the illumination data, a difference between the first light information and the second light information, and a difference between the first illumination information and the second illumination information, and
- wherein the second illumination environment is an environment in which external light is lower than that of the first illumination environment.
7 more elements
A method for operating a display device, the method comprising:
- generating a first light information and a first illumination information in a first illumination environment;
- generating sensing data and illumination data in a use environment;
- and
- calculating correction data by correcting the sensing data, using the illumination data, the first light information, and the first illumination information,
- wherein the use environment is an environment in which a display panel on a light sensor emits light, and a finger of a user is located on the display panel and the light sensor, and
- wherein the correction data is calculated based on the illumination data and a ratio of the first light information and the first illumination information.
3 more elements
A method for operating a display device, the method comprising:
- generating a first light information and a first illumination information in a first illumination environment;
- generating a second light information and a second illumination information in a second illumination environment;
- generating sensing data and illumination data in a use environment;
- and
- calculating correction data by correcting the sensing data, using the illumination data, the first light information, the second light information, the first illumination information, and the second illumination information,
- wherein the second illumination environment is an environment in which external light is lower than that of the first illumination environment, and
- wherein the use environment is an environment in which a display panel on a light sensor emits light, and a finger of a user is located on the display panel and the light sensor, and
- wherein the correction data is calculated based on the illumination data, a difference between the first light information and the second light information, and a difference between the first illumination information and the second illumination information.
5 more elements
Dependencies are inferred from the claim text.