Display device configured to measure light and adjust display brightness and a method of driving the same
AssigneeSamsung Display Co., Ltd.
InventorKeumdong Jung
Life of this patent
Estimating the term…
Abstract
A display device includes a screen having a plurality of pixels displaying an image. A projector includes a light source emitting a first light and a light converter configured to change an intensity of the first light with respect to each of the plurality of pixels so that the projector emits a conversion light. Each of the plurality of pixels of the screen includes a light receiving element configured to receive the conversion light and to generate a current proportional to an intensity of the conversion light. A light emitting element is configured to display the image based on the generated current.
Claims22
A display device comprising:
- a screen comprising a plurality of pixels displaying an image;
- and
- a projector comprising a light source emitting a first light and a light converter configured to change an intensity of the first light so that the projector emits a conversion light including information of the image displayed by each of the plurality of pixels,
- wherein each of the plurality of pixels of the screen comprises:
- a light receiving element configured to receive the conversion light from the projector and to generate a current proportional to an intensity of the conversion light within the light receiving element of the screen;
- and
- a light emitting element configured to display the image on the screen based on the generated current,
- wherein the light receiving element is electrically connected to the light emitting element and the current generated by the light receiving element is transmitted to the light emitting element by this electrical connection, and
- wherein each of the plurality of pixels does not receive data voltages corresponding to the information of the image.
A display device comprising:
- a plurality of pixels displaying an image,
- wherein each of the plurality of pixels comprises:
- a light receiving element configured to receive an external light and to generate a current proportional to an intensity of the external light;
- and
- a light emitting element, electrically connected to the light receiving element, configured to display the image based on the generated current that is transmitted along the electrical connection,
- wherein the external light includes gray scale information and brightness information of the image, and
- wherein each of the plurality of pixels does not receive data voltages corresponding to the gray scale information and the brightness information of the image.
A method of driving a display device, comprising:
- emitting a first light;
- changing an intensity of the first light with respect to each of a plurality of optical pixels of the projector, to emit a conversion light comprising gray scale information and brightness information of an image from the projector;
- emitting the conversion light to each of a plurality of pixels of a screen, the plurality of pixels of the screen corresponding to the plurality of optical pixels of the projector;
- receiving the conversion light from the projector by a light receiving element of the screen to generate a current proportional to the intensity of the conversion light within the light receiving element of the screen;
- and
- displaying the image based on the generated current on the screen by a light emitting element of the screen,
- wherein the light receiving element is electrically connected to the light emitting element and the current generated by the light receiving element is transmitted to the light emitting element by this electrical connection, and
- wherein each of the plurality of pixels of the screen does not receive data voltages corresponding to the gray scale information and brightness information of the image.
Dependencies are inferred from the claim text.