Electronic device with preferable display brightness based on brightness compensation table or pixel compensation table
An electronic device, including a first substrate, light emitting elements, a light emission driving element, a detection element, a control module, and a first memory element, is provided. The light emitting elements are disposed on the first substrate. The light emission driving element is electrically connected to the light emitting elements. The detection element is electrically connected to the light emitting elements and is configured to detect whether the light emitting elements are defective. The control module is electrically connected to the detection element and the light emission driving element. The first memory element is electrically connected to the control module and is configured to store a first brightness compensation table. In response to the detection element detecting that at least one of the light emitting elements is defective, the detection element outputs an adjustment signal to the control module. The control module generates a new first brightness compensation table.
1 . An electronic device, comprising:
a first substrate;
a plurality of light emitting elements, disposed on the first substrate;
a second substrate;
a plurality of pixel elements, disposed on the second substrate;
a light emission driving element, electrically connected to the plurality of light emitting elements;
a detection element, electrically connected to the plurality of light emitting elements and configured to detect whether the plurality of light emitting elements are defective;
a control circuit, electrically connected to the detection element and the light emission driving element;
a display driving element, electrically connected to the plurality of pixel elements and the control circuit; and
a first memory element, electrically connected to the control circuit and configured to store a first brightness compensation table,
wherein in response to the detection element detecting that at least one of the plurality of light emitting elements is defective, the detection element outputs an adjustment signal to the control circuit,
wherein the control circuit generates a new first brightness compensation table according to the adjustment signal and the first brightness compensation table, and outputs a control signal to the light emission driving element according to the new first brightness compensation table, so that the light emission driving element drives the plurality of light emitting elements according to the control signal,
wherein the control circuit comprises:
a light emission controller, electrically connected to the detection element and configured to receive the adjustment signal; and
a timing controller, electrically connected to the light emission controller and the light emission driving element, and configured to output the control signal,
wherein the timing controller comprises a second memory element, and the second memory element is configured to store the new first brightness compensation table,
wherein the first memory element is further configured to store a first pixel compensation table,
wherein the control circuit further generates a new first pixel compensation table according to the adjustment signal and the first pixel compensation table, and the control circuit outputs display data to the display driving element according to the new first pixel compensation table, so that the display driving element drives the plurality of pixel elements according to the display data,
wherein the control circuit generates a second pixel compensation table according to the adjustment signal, and multiplies a plurality of first pixel compensation parameters of the first pixel compensation table by a plurality of corresponding second pixel compensation parameters of the second pixel compensation table to generate the new first pixel compensation table having a plurality of new first pixel compensation parameters.
2 . The electronic device according to claim 1 , wherein the adjustment signal comprises a coordinate parameter corresponding to a defective light emitting element, and the light emission controller modifies the first brightness compensation table according to the coordinate parameter corresponding to the defective light emitting element to generate the new first brightness compensation table, and stores the new first brightness compensation table in the first memory element.
3 . The electronic device according to claim 2 , wherein the first memory element replaces the first brightness compensation table with the new first brightness compensation table.
4 . The electronic device according to claim 1 , wherein the adjustment signal comprises a coordinate parameter corresponding to a defective light emitting element, and the light emission controller outputs the coordinate parameter corresponding to the defective light emitting element to the timing controller,
wherein the timing controller modifies the first brightness compensation table according to the coordinate parameter corresponding to the defective light emitting element to generate the new first brightness compensation table.
5 . The electronic device according to claim 1 , wherein the first memory element is a flash memory, and the second memory is a random access memory.
6 . The electronic device according to claim 1 , wherein the control circuit comprises:
a light emission controller, electrically connected to the detection element and configured to receive the adjustment signal; and
a vehicle control unit, electrically connected to the light emission controller and the light emission driving element, and configured to output the control signal,
wherein the vehicle control unit comprises a second memory element, and the second memory element is configured to store the new first brightness compensation table.
7 . The electronic device according to claim 1 , wherein the control circuit generates a second brightness compensation table according to the adjustment signal, and multiplies a plurality of first brightness compensation parameters of the first brightness compensation table by a plurality of corresponding second brightness compensation parameters of the second brightness compensation table to generate the new first brightness compensation table having a plurality of new first brightness compensation parameters.
8 . The electronic device according to claim 7 , wherein the second brightness compensation parameter corresponding to a defective light emitting element in the second brightness compensation table is 0.
9 . The electronic device according to claim 7 , wherein the second brightness compensation parameter corresponding to at least one light emitting element adjacent to a defective light emitting element in the second brightness compensation table is greater than the second brightness compensation parameter of at least another normal light emitting element not adjacent to the defective light emitting element.
10 . The electronic device according to claim 1 , wherein the at least one second pixel compensation parameter of the at least one pixel element corresponding to a defective light emitting element in the second pixel compensation table is higher than the at least another second pixel compensation parameter corresponding to the normal light emitting element in the second pixel compensation table.
11 . An electronic device, comprising:
a first substrate;
a second substrate;
a plurality of light emitting elements, disposed on the first substrate;
a plurality of pixel elements, disposed on the second substrate;
a display driving element, electrically connected to the plurality of pixel elements;
a detection element, electrically connected to the plurality of light emitting elements and configured to detect whether the plurality of light emitting elements are defective;
a control circuit, electrically connected to the detection element and the display driving element;
a light emission driving element, electrically connected to the plurality of light emitting elements and the control circuit; and
a first memory element, electrically connected to the control circuit and configured to store a first pixel compensation table,
wherein in response to the detection element detecting that at least one of the plurality of light emitting elements is defective, the detection element outputs an adjustment signal to the control circuit,
wherein the control circuit generates a new first pixel compensation table according to the adjustment signal and the first pixel compensation table, and the control circuit outputs display data to the display driving element according to the new first pixel compensation table, so that the display driving element drives the plurality of pixel elements according to the display data,
wherein the control circuit comprises:
a light emission controller, electrically connected to the detection element and configured to receive the adjustment signal; and
a timing controller, electrically connected to the light emission controller and the display driving element, and configured to output the display data,
wherein the timing controller comprises a second memory element, and the second memory element is configured to store the new first pixel compensation table,
wherein the first memory element is further configured to store a first brightness compensation table,
wherein the control circuit further generates a new first brightness compensation table according to the adjustment signal and the first brightness compensation table, and the control circuit outputs a control signal to the light emission driving element according to the new first brightness compensation table, so that the light emission driving element drives the plurality of light emitting elements according to the control signal,
wherein the control circuit generates a second brightness compensation table according to the adjustment signal, and multiplies a plurality of first brightness compensation parameters of the first brightness compensation table by a plurality of corresponding second brightness compensation parameters of the second brightness compensation table to generate the new first brightness compensation table having a plurality of new first brightness compensation parameters.
12 . The electronic device according to claim 11 , wherein the adjustment signal comprises a coordinate parameter corresponding to a defective light emitting element, and the light emission controller modifies the first pixel compensation table according to the coordinate parameter corresponding to the defective light emitting element to generate the new first pixel compensation table, and stores the new first pixel compensation table in the first memory element.
13 . The electronic device according to claim 12 , wherein the first memory element replaces the first pixel compensation table with the new first pixel compensation table.
14 . The electronic device according to claim 11 , wherein the adjustment signal comprises a coordinate parameter corresponding to a defective light emitting element, and the light emission controller outputs the coordinate parameter corresponding to the defective light emitting element to the timing controller,
wherein the timing controller modifies the first pixel compensation table according to the coordinate parameter corresponding to the defective light emitting element to generate the new first pixel compensation table.
15 . The electronic device according to claim 11 , wherein the first memory element is a flash memory, and the second memory is a random access memory.
16 . The electronic device according to claim 11 , wherein the control circuit comprises:
a light emission controller, electrically connected to the detection element and configured to receive the adjustment signal; and
a vehicle control unit, electrically connected to the light emission controller and the display driving element, and configured to output the display data,
wherein the vehicle control unit comprises a second memory element, and the second memory element is configured to store the new first pixel compensation table.