CN111599325A - Portable device, display device and correction method of display device - Google Patents
Portable device, display device and correction method of display device Download PDFInfo
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- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
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Abstract
The invention provides a portable device, which comprises a proximity sensor, a communication module and a processor. The proximity sensor is used for sensing the distance between the portable device and the display panel of the display device. The communication module is used for communicating with the display device. The processor is coupled to the proximity sensor and the communication module, and is used for determining whether to start a correction process according to the distance sensed by the proximity sensor, and triggering the display device through the communication module after the correction process is started so that a display panel of the display device displays a test image. In addition, a display device and a calibration method of the display device are also provided in the invention.
Description
Technical Field
The present invention relates to a display color correction technology, and more particularly, to a portable device, a display device and a display device correction method.
Background
Due to the physical characteristics of each display unit in the display, the color of the picture displayed by the display gradually deviates from the standard after a long time of use, and at this time, the color correction of the display is required to correct the color deviation of the display. Most of the currently marketed display color calibrators connect a color calibrator equipped with a photosensitive element through a Universal Serial Bus (USB), and the display can be calibrated by matching with appropriate software or program. However, although the color correction process using a commercially available display color corrector is relatively simple, it requires additional high unit cost hardware to assist.
Disclosure of Invention
In view of the above, embodiments of the present invention provide a portable device, a display device and a color calibration method for a display device, which can complete display calibration through cooperation between the portable device and the display device, and have high convenience and high accuracy.
The portable device of an embodiment of the invention comprises a proximity sensor, a communication module and a processor. The proximity sensor is used for sensing the distance between the portable device and the display panel of the display device. The communication module is used for communicating with the display device. The processor is coupled to the proximity sensor and the communication module, and is used for determining whether to start a correction process according to the distance sensed by the proximity sensor, and triggering the display device through the communication module after the correction process is started so that a display panel of the display device displays a test image.
The correction method of the display device of one embodiment of the invention is suitable for the portable device and comprises the following steps: sensing a distance between the portable device and a display panel of the display device; determining whether to start a correction process according to the sensed distance; and triggering the display device after the correction process is started so that the display panel of the display device displays the test image.
The display device of an embodiment of the invention includes a display panel, a communication module and a processor. The display panel is used for displaying the test image according to the display setting. The communication module is used for receiving optical sensing data corresponding to the test image from the portable device. The processor is coupled to the display panel and the communication module, and is used for correcting the display setting of the display panel according to the test image and the optical sensing data.
In order to make the aforementioned and other features and advantages of the invention more comprehensible, embodiments accompanied with figures are described in detail below.
Drawings
Fig. 1 is a schematic diagram of a calibration method of a display device according to an embodiment of the invention.
FIG. 2 is a schematic block diagram of a calibration system according to an embodiment of the present invention.
FIG. 3 is a schematic block diagram of a calibration system according to an embodiment of the present invention.
FIG. 4 is a schematic block diagram of a calibration system according to an embodiment of the present invention.
FIG. 5 is a schematic block diagram of a calibration system according to an embodiment of the present invention.
FIG. 6 is a flowchart illustrating a calibration method of a display device according to an embodiment of the invention.
FIG. 7 is a flowchart illustrating a calibration method of a display device according to an embodiment of the invention.
Reference numerals
100: portable device
110. 210: processor with a memory having a plurality of memory cells
120: proximity sensor
130. 230: communication module
140: storage element
200: display device
220: display panel
240: nonvolatile memory
d: distance between two adjacent plates
S610, S620, S630, S640, S650, S660, S670, S675, S680, S690: method for correcting display device
Sc、SDATA、SIMG、ST: signal
Detailed Description
FIG. 1 is a diagram illustrating a calibration method of a display device according to an embodiment of the invention; FIG. 2 is a schematic block diagram of a calibration system according to an embodiment of the present invention.
Referring to fig. 1 and fig. 2, the calibration system includes a portable device 100 and a display device 200, wherein the portable device 100 can be used as a calibration tool for the display device 200, and the portable device 100 and the display device 200 cooperate with each other through a communication module 130 and a communication module 230 to calibrate the display device 200. Specifically, the portable device 100 is close to the display panel 220 of the display device 200, and the calibration photosensitive element 150, such as an ambient light sensor or an image capturing device, on the portable device 100 can be used to calibrate the display setting of the display panel 220, such as color (color), gamma (gamma) or uniformity (uniformity), but the invention is not limited thereto.
For example, the portable device 100 may be an electronic device having a proximity sensor (proximity sensor)120, a communication module 130, and the calibration photosensitive element 150, such as an ambient light sensor or an image capturing device, such as a smart phone (smart phone), a tablet (tablet), a Personal Digital Assistant (PDA), a handheld game console, and the like, and the invention is not limited thereto. Therefore, the portable device 100 can improve the convenience without the need of purchasing a dedicated color corrector for the display device 200.
In order to avoid the influence of the interference of other light rays in the environment on the accuracy of the calibration, the proximity sensor 120 disposed on the portable device 100 in the embodiment of the present invention senses the distance d between the proximity sensor 120 and the display panel 220, and the calibration process is started when the distance d is smaller than the predetermined distance. In the calibration process, the portable device 100 triggers the display device 200, and the display device 200 displays the test image through the display panel 220 after being triggered. Subsequently, the portable device 100 obtains the optical sensing data corresponding to the test image by calibrating the photosensitive element 150. The proximity sensor 200 of the portable device 100 is utilized to start the calibration process, so that the optical sensing data will not include or include little ambient light interference, and the calibration accuracy can be improved.
Several embodiments will be described below to illustrate how the portable device 100 and the display device 200 cooperate to perform the calibration method of the display device 200.
First embodiment
FIG. 2 is a schematic block diagram of a calibration system according to an embodiment of the present invention.
Referring to fig. 2, in the present embodiment, the portable device 100 includes a processor 110, and a proximity sensor 120, a communication module 130, a storage device 140 and a calibration photosensitive device 150 coupled to the processor 110.
The processor 110 is responsible for the overall operation of the portable device 100. For example, the Processor 110 may be a Central Processing Unit (CPU), or other Programmable general purpose or special purpose Microprocessor (Microprocessor), Digital Signal Processor (DSP), Programmable controller, Application Specific Integrated Circuit (ASIC), Programmable Logic Device (PLD), or other similar devices or combinations thereof, and the invention is not limited thereto.
The proximity sensor 120 is used to obtain sensing data reflecting the distance d from the display panel 220. For example, the proximity sensor 120 may be a sensor that detects an object approaching a predetermined detection surface or a nearby object without mechanical contact by using force of an electromagnetic field or infrared light, such as a transmission type photoelectric sensor (transmissive photoelectric sensor), a direct reflection type photoelectric sensor (direct reflection type photoelectric sensor), a mirror reflection type photoelectric sensor (mirror reflection type photoelectric sensor), a high frequency oscillation type proximity sensor (high frequency oscillation type proximity sensor), a capacitance type proximity sensor (capacitance type proximity sensor), a magnetic type proximity sensor (magnetic type proximity sensor), an infrared light proximity sensor (infrared light proximity sensor), or a combination of these devices, and the present invention is not limited thereto.
The communication module 130 is used to communicate with the display apparatus 200, and thus may be any module of a wired or wireless interface compatible with the communication module 230 of the display apparatus 200. For example, the communication module 130 may employ a wired communication interface such as a cable, Universal Serial Bus (USB), thunderbolt (thunderbolt), Controller Area Network (CAN), Recommended Standard (RS)232, Recommended Standard (RS)422, Universal asynchronous receiver/transmitter (UART), Serial Peripheral Interface (SPI), or a Wireless communication interface such as a Wireless sensing Network (e.g., EnOcean, Bluetooth (Bluetooth), mesh cellular Network (2G/3G/Long Term Evolution (LTE)/5G), Wireless Area Network (e.g., Wireless Area Network (WLAN), Worldwide Interoperability for Microwave (WiMAX)), short-range point-to-point communication (RFID), encean, Near Field Communication (NFC)), Wireless Fidelity (firmware), WiFi), etc., the invention is not limited thereto.
The storage device 140 is used for storing data. For example, the storage device 140 may be a fixed or removable Random Access Memory (RAM), a read-only memory (ROM), a flash memory, any type of hard disk, or a combination thereof, and the invention is not limited thereto.
The calibration photosensitive element 150 is used for acquiring optical sensing data corresponding to the test image IMG from the display panel 220 displaying the test image IMG in the calibration process. For example, the calibration photo Sensor 150 may include an image capturing device (e.g., a camera) for capturing an RGB image corresponding to the test image IMG and an Ambient Light Sensor (ALS) for capturing a luminance value corresponding to the test image IMG. In particular, the calibration photosensitive element 150 and the proximity sensor 120 are disposed in the vicinity of the portable device 100. Therefore, the distance d sensed by the proximity sensor 120 can also be regarded as the distance between the calibration photosensitive element 150 and the display panel 220.
On the other hand, the display device 200 includes a processor 210, a display panel 220 coupled to the processor 210, a communication module 230, and a Non-Volatile Memory (NVM) 240. The processor 210 is used for displaying the test image IMG on the display panel 220. For example, the processor 210 includes a scaling Controller (scaler) and a Micro Controller Unit (MCU). However, the invention is not limited thereto, and the processor 210 may further include other processing units having computing power, such as a central processing unit. The display panel 220 is used for displaying the test image IMG according to the display setting. For example, the Display panel 220 may be a Liquid-Crystal Display (LCD), a Light-Emitting Diode (LED), an Organic Light-Emitting Diode (OLED), or the like, and displays the test image IMG according to the Display settings such as a Display look-up Table (3d lookup Table) LUT recorded in the nonvolatile memory 240, but the invention is not limited thereto. The communication module 230 is used for communicating with the portable device 100, and therefore can be any wired or wireless interface module compatible with the communication module 130 of the portable device 100. For example, the communication module 230 may employ a wired communication interface such as a cable, a Universal Serial Bus (USB), a thunderbolt (thunderbolt), a Controller Area Network (CAN), a Recommended Standard (RS)232, a Recommended Standard (RS)422, a Universal asynchronous receiver/transmitter (UART), a Serial Peripheral Interface (SPI), or a Wireless communication interface such as a Wireless sensing network (e.g., EnOcean, Bluetooth (Bluetooth), mesh bee), a cellular network (2G/3G/Long Term Evolution (LTE)/5G), a Wireless area network (e.g., a Wireless area network (WLAN), Worldwide Interoperability for Microwave (WiMAX)), short-range point-to-point communication (e.g., Radio Frequency Identification (RFID), encean, Near Field Communication (NFC)), a Wireless Fidelity (Wireless Fidelity), WiFi), etc., the invention is not limited thereto. The non-volatile memory 240 is used for recording the display setting of the display panel 220. For example, the non-volatile memory 240 may be a read-only memory (ROM), a flash memory, any form of hard disk, or a combination thereof, and records the display look-up table LUT, but the invention is not limited thereto.
In the present embodiment, the storage device 140 of the portable device 100 stores one or more test images IMG. The test image IMG is an image that needs to be displayed on the display panel 220 of the display device 200 during the calibration process, but it should be noted that the invention is not limited thereto. After the portable device 100 starts the calibration application (application), the proximity sensor 120 senses a distance d from the display panel 220 of the display device 200, and then starts a calibration process when the distance d is smaller than a predetermined distance.
In the present embodiment, in the calibration process, the portable device 100 passes the signal S, for exampleIMGThe display device 200 is triggered by sending the test image IMG to the display device 200, and the display device 200 displays the received test image IMG through the display panel 220. Subsequently, the portable device 100 obtains the optical sensing data corresponding to the test image IMG by using the calibration photosensitive element 150, and the processor 110 calculates the adjustment scheme of the display setting of the display panel 220 according to the test image IMG and the optical sensing data. Then, the portable device 100 passes the signal SCThe calculated adjustment scheme is sent to the display apparatus 200, and the display apparatus 200 adjusts the display setting of the display panel 220 according to the received adjustment scheme (e.g., updates the display look-up table LUT).
The adjustment scheme of the display setting can be calculated by the processor 100 of the portable device 100, and can also be calculated by a cloud computing host (not shown). In detail, in the present embodiment, the portable device 100 may also upload the test image IMG and the optical sensing data to the cloud computing host (e.g., through the communication module 130). The cloud computing host may calculate an adjustment scheme of the display setting of the display panel 220 through algorithms such as artificial intelligence. Therefore, the disadvantage that the calibration photosensitive element 150 of the portable device 100 may not be as accurate as a dedicated calibration tool can be compensated.
Second embodiment
FIG. 3 is a schematic block diagram of a calibration system according to an embodiment of the present invention.
Various elements of the portable device 100 and the display device 200 of the present embodiment are the same or similar to those of the first embodiment, and therefore are not described herein again.
Referring to fig. 3, in the present embodiment, the storage device 140 of the portable device 100 stores one or more test images IMG. The test image IMG is an image that needs to be displayed on the display panel 220 of the display device 200 during the calibration process, but it should be noted that the invention is not limited thereto. After the portable device 100 starts the calibration application, the proximity sensor 120 senses a distance d from the display panel 220 of the display device 200, and then starts a calibration process when the distance d is smaller than a predetermined distance.
In the present embodiment, in the calibration process, the portable device 100 passes the signal S, for exampleIMGThe display device 200 is triggered by sending the test image IMG to the display device 200, and the display device 200 displays the received test image IMG through the display panel 220. Subsequently, the portable device 100 obtains the optical sensing data corresponding to the test image IMG by using the calibration photosensitive element 150, and passes the signal SDATAThe optical sensing data is transmitted to the display device 200. Then, the processor 210 of the display device 200 calculates an adjustment scheme of the display panel 220 according to the test image IMG and the optical sensing data, and adjusts the display setting of the display panel 220 according to the calculated adjustment scheme (e.g., updates the display look-up table LUT).
Third embodiment
FIG. 4 is a schematic block diagram of a calibration system according to an embodiment of the present invention.
Various elements of the portable device 100 and the display device 200 of the present embodiment are the same or similar to those of the first embodiment, and therefore are not described herein again.
Referring to fig. 4, in the present embodiment, the non-volatile memory 240 of the display device 200 stores one or more test images IMG. The test image IMG is an image that needs to be displayed on the display panel 220 of the display device 200 during the calibration process, but it should be noted that the invention is not limited thereto. After the portable device 100 starts the calibration application, the proximity sensor 120 senses a distance d from the display panel 220 of the display device 200, and then starts a calibration process when the distance d is smaller than a predetermined distance.
In the present embodiment, in the calibration process, the portable device 100 may pass the trigger signal S, for exampleTTo trigger the display device 200, and the triggered signal STThe activated display device 200 displays the test image IMG recorded in the non-volatile memory 240 through the display panel 220. Subsequently, the portable device 100 obtains the optical sensing data corresponding to the test image IMG by using the calibration photosensitive element 150, and the processor 110 calculates the adjustment scheme of the display setting of the display panel 220 according to the test image IMG and the optical sensing data. Then, the portable device 100 passes the signal SCThe calculated adjustment scheme is sent to the display apparatus 200, and the display apparatus 200 adjusts the display setting of the display panel 220 according to the received adjustment scheme (e.g., updates the display look-up table LUT).
The adjustment scheme of the display setting can be calculated by the processor 100 of the portable device 100, and can also be calculated by a cloud computing host (not shown). In detail, in the present embodiment, the portable device 100 may also upload the test image IMG and the optical sensing data to the cloud computing host (e.g., through the communication module 130). The cloud computing host may calculate an adjustment scheme of the display setting of the display panel 220 through algorithms such as artificial intelligence. Therefore, the disadvantage that the calibration photosensitive element 150 of the portable device 100 may not be as accurate as a dedicated calibration tool can be compensated.
Fourth embodiment
FIG. 5 is a schematic block diagram of a calibration system according to an embodiment of the present invention.
Various elements of the portable device 100 and the display device 200 of the present embodiment are the same or similar to those of the first embodiment, and therefore are not described herein again.
Referring to fig. 5, in the present embodiment, the non-volatile memory 240 of the display device 200 stores one or more test images IMG. The test image IMG is an image that needs to be displayed on the display panel 220 of the display device 200 during the calibration process, but it should be noted that the invention is not limited thereto. After the portable device 100 starts the calibration application, the proximity sensor 120 senses a distance d from the display panel 220 of the display device 200, and then starts a calibration process when the distance d is smaller than a predetermined distance.
In the present embodiment, in the calibration process, the portable device 100 may pass the trigger signal S, for exampleTTo trigger the display device 200, and the triggered signal STThe activated display device 200 displays the test image IMG recorded in the non-volatile memory 240 through the display panel 220. Subsequently, the portable device 100 obtains the optical sensing data corresponding to the test image IMG by using the calibration photosensitive element 150, and passes the signal SDATAThe optical sensing data is transmitted to the display device 200. Then, the processor 210 of the display device 200 calculates an adjustment scheme of the display panel 220 according to the test image IMG and the optical sensing data, and adjusts the display setting of the display panel 220 according to the calculated adjustment scheme (e.g., updates the display look-up table LUT).
In some embodiments, the display panel 220 of the display device 200 may have a plurality of test images IMG, and the portable device 100 may obtain a plurality of optical sensing data corresponding to the plurality of test images IMG by using the calibration photosensitive element 150. Then, the portable device 100, the display device 200 or the cloud computing host calculates an adjustment scheme according to the plurality of test images IMG and the plurality of corresponding optical sensing data, so as to adjust the display setting of the display panel 220.
In some embodiments, the display panel 220 of the display device 200 may also display one test image IMG at a time, and the portable device 100 may obtain an optical sensing datum corresponding to the displayed test image IMG by using the calibration photosensitive element 150. Then, the portable device 100, the display device 200, or the cloud computing host calculates an adjustment scheme according to the test image IMG and the corresponding optical sensing data thereof, so as to adjust the display setting of the display panel 220. Next, the display panel 220 of the display device 200 displays a next test image IMG, and the portable device 100 obtains an optical sensing datum corresponding to the displayed test image IMG by using the calibration photosensitive element 150. Then, the portable device 100, the display device 200, or the cloud computing host calculates an adjustment scheme according to the displayed test image IMG and the corresponding optical sensing data thereof, and adjusts the display setting of the display panel 220 again, and so on until all the test images IMG are displayed.
In some embodiments, the display panel 220 of the display device 200 can display a plurality of identical or different test images IMG at different positions, and the portable device 100 utilizes the calibration photosensitive element 150 to obtain a plurality of optical sensing data corresponding to the plurality of test images IMG. Then, the portable device 100, the display device 200, or the cloud computing host may calculate an adjustment scheme according to the plurality of test images IMG, the plurality of corresponding optical sensing data, and the display positions of the plurality of test images IMG, so as to adjust the display setting of the display panel 220. Accordingly, the uniformity of the display panel 220 can be corrected.
In some embodiments, the user may set an adjustment target of the display panel 220, such as setting three RGB points in a color space (color space), for example, by using a calibration application of the portable device 100, and the portable device 100, the display device 200, or the cloud computing host may also perform the calculation according to the adjustment target when calculating the adjustment scheme.
In some embodiments, the display setting of the display panel 220 may also be calibrated according to the image capturing device of the portable device 100, such as synchronizing the gamma curve or color response of the display panel 220 with the image capturing device of the portable device 100.
For example, the display panel 220 displays a plurality of different test images IMG. For each test image IMG, the image capturing device of the portable device 100 captures a corresponding RGB image, and the display panel 220 must adjust the display setting so that each test image IMG matches the corresponding RGB image. For example, when the R values of the test images IMG are 32, the display settings of the display panel 220 must be adjusted (e.g., adjusting the RGB gain values) until the R value of the RGB image captured by the image capturing device of the portable device 100 is also 32; when the R values of the test images IMG are 255, the display settings of the display panel 220 must be adjusted (e.g., adjusting the RGB gain values) until the R value of the RGB image captured by the image capturing device of the portable device 100 is 255, and so on. It should be noted that, although the above example is for adjusting the R value, the invention is not limited thereto, and the adjustment may be for adjusting one or more other values, for example, for the Y value or for the RGB value.
Accordingly, when there is a need to use the image capturing device of the portable device 100 to capture the display content of the display panel 220, the image capturing device of the portable device 100 can capture all the details displayed on the display panel 220.
FIG. 6 is a flowchart illustrating a calibration method of a display device according to an embodiment of the invention. The steps of the calibration method of the present embodiment will be described with reference to various elements of the portable device 100 in fig. 1 to 5. It should be noted that the details of the steps already described in the foregoing embodiments are not repeated herein.
Referring to fig. 6, first, the proximity sensor 120 of the portable device 100 senses a distance d from the display panel 220 of the display device 200 (step S610), and then the processor 110 determines whether the distance d is smaller than a predetermined distance (step S620). If the distance d is not less than the preset distance, the subsequent calibration process is not started and the distance d continues to be sensed (step S610). On the other hand, if the distance d is smaller than the preset distance, the calibration process is started (step S630). In the calibration process, the portable device 100 triggers the display device 200 through the communication module 130 to make the display panel 220 display the test image IMG.
FIG. 7 is a flowchart illustrating a calibration method of a display device according to an embodiment of the invention. The steps of the calibration method of the present embodiment will be described with reference to various elements of the portable device 100 in fig. 1 to 5. It should be noted that the details of the steps already described in the foregoing embodiments are not repeated herein.
In order to avoid the accuracy degradation caused by the movement of the portable device 100 during the calibration process, the proximity sensor 120, the ambient light sensor and/or the acceleration sensor (not shown) are also used in the calibration process of the portable device 100 of the present embodiment to ensure the calibration accuracy.
Referring to fig. 7, in the present embodiment, the portable device 100 detects whether the portable device 100 moves in the calibration process (step S640). For example, the portable device 100 may utilize the proximity sensor 120 or the acceleration sensor to determine whether the portable device 100 has moved.
If the portable device 100 does not detect the movement, the portable device 100 further determines whether the ambient light intensity is stable (step S650). For example, the portable device 100 may utilize an ambient light sensor to sense the ambient light intensity. If the variation amplitude of the ambient light intensity in the preset time is not greater than a preset threshold value, judging that the ambient light intensity is stable; on the contrary, if the variation range of the ambient light intensity within the preset time is larger than the preset threshold, the ambient light intensity is judged to be unstable.
If the portable device 100 detects movement or determines that the ambient light intensity is unstable, the calibration process is suspended (step S690). For example, when the portable device 100 detects movement or determines that the ambient light intensity is unstable, the communication module 130 may send a notification signal indicating that the calibration process is suspended to the display device 200, so that the display panel 220 of the display device 200 displays a warning. The display device 200 does not adjust the display setting of the display panel 220 while the calibration process is suspended.
If the portable device 100 does not detect the movement and determines that the ambient light intensity is stable, the calibration photosensitive element 150 is used to obtain the optical sensing data corresponding to the test image IMG (step S660).
After obtaining the optical sensing data corresponding to the test image IMG, the portable device 100 determines whether there is any test image IMG not displayed (step S670). If yes, the portable device 100 triggers the display device 200 to make the display panel 220 display the next test image IMG (step S675), and then continues the calibration process. Otherwise, if all the test images IMG are displayed completely, the display settings of the display panel 220 are corrected according to all the test images IMG and the corresponding optical sensing data (step S680).
In summary, the portable device, the display device and the calibration method of the display device provided in the embodiments of the present invention use the proximity sensor on the portable device to start the calibration process when the distance between the proximity sensor and the display panel is close enough. In the calibration process, the portable device triggers the display device to make the display panel of the display device display the test image, and the image acquisition device and/or the ambient light sensor on the portable device are used to acquire the optical sensing data corresponding to the test image. In this way, the display setting of the display panel can be corrected according to the test image and the optical sensing data. Therefore, the user can utilize the portable device to correct the display device without purchasing an expensive special color corrector, thereby greatly improving the convenience. In addition, the accuracy of the calibration can be improved by using a proximity sensor on the portable device.
Although the present invention has been described with reference to the above embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (19)
1. A portable device, the device comprising:
a proximity sensor for sensing a distance between the portable device and a display panel of a display device;
a communication module for communicating with the display device; and
and the processor is coupled with the proximity sensor and the communication module and used for determining whether to start a correction process according to the distance and triggering the display device through the communication module after the correction process is started so as to enable the display panel to display a test image.
2. The portable device of claim 1, further comprising:
and the correcting photosensitive element is coupled with the processor and used for acquiring optical sensing data corresponding to the test image.
3. The portable device of claim 2, wherein the processor is further configured to generate a calibration signal according to the test image and the optical sensing data, and send the calibration signal to the display device through the communication module.
4. The portable device of claim 2, wherein the processor is further configured to send the optical sensing data to the display device via the communication module.
5. The portable device of claim 2, wherein the communication module receives a request signal from the display device, and the processor determines a data type of the optical sensing data according to the data request.
6. The portable device of claim 2, wherein the calibration photosensitive element comprises an image capturing device for capturing an RGB image corresponding to the test image.
7. The portable device of claim 2, wherein the calibration photosensitive element comprises an ambient light sensor for obtaining a brightness value corresponding to the test image.
8. The portable device of claim 1, wherein the processor is further configured to send the test image to the display device through the communication module, so that the display panel displays the test image.
9. The portable device of claim 1, wherein the processor initiates the calibration process when the distance is determined to be less than a predetermined distance.
10. A calibration method of a display device is suitable for a portable device, and is characterized in that the calibration method comprises the following steps:
sensing a distance between the display device and a display panel of the display device;
determining whether to start a correction process according to the distance; and
and triggering the display device after the correction process is started so that the display panel displays a test image.
11. The correction method according to claim 10, characterized in that the method further comprises:
obtaining an optical sensing data corresponding to the test image.
12. The correction method according to claim 11, characterized in that the method further comprises:
generating a correction signal according to the test image and the optical sensing data; and
and sending the correction signal to the display device.
13. The correction method according to claim 11, characterized in that the method further comprises:
the optical sensing data is sent to the display device.
14. The calibration method of claim 11, wherein the step of obtaining the optical sensing data corresponding to the test image comprises:
receiving a request signal from the display device; and
determining a data type of the optical sensing data according to the request signal.
15. The calibration method of claim 11, wherein the step of obtaining the optical sensing data corresponding to the test image comprises:
obtaining an RGB image corresponding to the test image.
16. The calibration method of claim 11, wherein the step of obtaining the optical sensing data corresponding to the test image comprises:
obtaining a brightness value corresponding to the test image.
17. The calibration method as claimed in claim 10, wherein the step of triggering the display device to display the test image on the display panel after the calibration process is initiated comprises:
and sending the test image to the display device so that the display panel displays the test image.
18. The calibration method of claim 10, wherein the step of determining whether to initiate the calibration process according to the distance comprises:
judging whether the distance is smaller than a preset distance; and
and starting the correction process when the distance is judged to be smaller than the preset distance.
19. A display device, characterized in that the device comprises:
a display panel for displaying a test image according to a display setting;
a communication module for receiving an optical sensing data corresponding to the test image from a portable device;
a processor, coupled to the display panel and the communication module, for calibrating the display setting according to the test image and the optical sensing data; and
a non-volatile memory for storing the test image,
the communication module receives a trigger signal from the portable device, and in response to the trigger signal, the display panel displays the test image in the nonvolatile memory according to the display setting.
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| TW108105846A TWI691213B (en) | 2019-02-21 | 2019-02-21 | Portable device, display device and calibration method of display device |
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| CN111599325B (en) | 2021-11-26 |
| TWI691213B (en) | 2020-04-11 |
| TW202032977A (en) | 2020-09-01 |
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