LED display screen calibration method and related apparatus
AssigneeShenzhen Absen Optoelectronic Co., Ltd.
InventorsShuanglei Feng, Tao Wu, Chongkang Ding, Daocan Xiao
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Abstract
Embodiments of this application provide a light emitting diode (LED) display screen calibration method and a related apparatus. The method includes: calculating a point-by-point thermal compensation calibration coefficient based on a thermal compensation calibration coefficient and a point-by-point calibration coefficient of an LED display screen box; and calibrating the LED display screen box based on the point-by-point thermal compensation calibration coefficient.
Claims20
A light emitting diode (LED) display screen calibration method, comprising:
- calculating a point-by-point thermal compensation calibration coefficient based on a thermal compensation calibration coefficient and a point-by-point calibration coefficient of an LED display screen box, wherein the thermal compensation calibration coefficient is related to a mechanical structure of the LED display screen box and is irrelevant to a module location of the LED display screen box, the point-by-point calibration coefficient is related to the module location of the LED display screen box, and the point-by-point thermal compensation calibration coefficient is related to the mechanical structure of the LED display screen box and is irrelevant to the module location of the LED display screen box;
- and
- calibrating the LED display screen box based on the point-by-point thermal compensation calibration coefficient,
- wherein before the calculating a point-by-point thermal compensation calibration coefficient, the method further comprises:
- performing thermal-shield calibration on the LED display screen box to obtain a sample box, wherein the sample box is the LED display screen box that has undergone the thermal-shield calibration;
- performing white-light aging treatment on the sample box until the sample box reaches a heat balance state, wherein the heat balance state means that a heat distribution and a maximum temperature of the sample box no longer change;
- collecting a red luminance value matrix of the sample box in the heat balance state;
- and
- calculating a thermal compensation calibration coefficient matrix of the LED display screen box based on the red luminance value matrix, wherein the thermal compensation calibration coefficient matrix comprises the thermal compensation calibration coefficient.
An electronic device, comprising:
- a processor;
- and
- a non-transitory memory, coupled to the processor and storing program instructions thereon which, when executed by the processor, cause the processor to:
- calculate a point-by-point thermal compensation calibration coefficient based on a thermal compensation calibration coefficient and a point-by-point calibration coefficient of an LED display screen box of the electronic device, wherein the thermal compensation calibration coefficient is related to a mechanical structure of the LED display screen box and is irrelevant to a module location of the LED display screen box, the point-by-point calibration coefficient is related to the module location of the LED display screen box, and the point-by-point thermal compensation calibration coefficient is related to the mechanical structure of the LED display screen box and is irrelevant to the module location of the LED display screen box;
- and
- calibrate the LED display screen box based on the point-by-point thermal compensation calibration coefficient;
- wherein the processor is further configured to:
- before the calculating a point-by-point thermal compensation calibration coefficient,
- perform thermal-shield calibration on the LED display screen box to obtain a sample box, wherein the sample box is the LED display screen box that has undergone the thermal-shield calibration;
- perform white-light aging treatment on the sample box until the sample box reaches a heat balance state, wherein the heat balance state means that a heat distribution and a maximum temperature of the sample box no longer change;
- collect a red luminance value matrix of the sample box in the heat balance state;
- and
- calculate a thermal compensation calibration coefficient matrix of the LED display screen box based on the red luminance value matrix, wherein the thermal compensation calibration coefficient matrix comprises the thermal compensation calibration coefficient.
A non-transitory computer-readable storage medium, storing a computer program which, when executed by a processor of an electronic device, causes the processor to carry out actions, comprising:
- calculating a point-by-point thermal compensation calibration coefficient based on a thermal compensation calibration coefficient and a point-by-point calibration coefficient of an LED display screen box of the electronic device, wherein the thermal compensation calibration coefficient is related to a mechanical structure of the LED display screen box and is irrelevant to a module location of the LED display screen box, the point-by-point calibration coefficient is related to the module location of the LED display screen box, and the point-by-point thermal compensation calibration coefficient is related to the mechanical structure of the LED display screen box and is irrelevant to the module location of the LED display screen box;
- and
- calibrating the LED display screen box based on the point-by-point thermal compensation calibration coefficient;
- wherein the computer program is further executed by the processor to carry out actions, comprising:
- before the calculating a point-by-point thermal compensation calibration coefficient,
- performing thermal-shield calibration on the LED display screen box to obtain a sample box, wherein the sample box is the LED display screen box that has undergone the thermal-shield calibration;
- performing white-light aging treatment on the sample box until the sample box reaches a heat balance state, wherein the heat balance state means that a heat distribution and a maximum temperature of the sample box no longer change;
- collecting a red luminance value matrix of the sample box in the heat balance state;
- and
- calculating a thermal compensation calibration coefficient matrix of the LED display screen box based on the red luminance value matrix, wherein the thermal compensation calibration coefficient matrix comprises the thermal compensation calibration coefficient.
Dependencies are inferred from the claim text.