CN111583853A - Luminance compensation device, luminance compensation method, and display device - Google Patents
Luminance compensation device, luminance compensation method, and display device Download PDFInfo
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- CN111583853A CN111583853A CN202010455285.3A CN202010455285A CN111583853A CN 111583853 A CN111583853 A CN 111583853A CN 202010455285 A CN202010455285 A CN 202010455285A CN 111583853 A CN111583853 A CN 111583853A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
Abstract
The invention provides a brightness compensation device, a brightness compensation method and a display device. The compensation device comprises: the data processing module is connected with the voltage compensation module, the data processing module is used for segmenting picture data stored by the IC according to N display areas included by the display panel to obtain N picture areas, the N display areas included by the display panel correspond to the N picture areas obtained by segmentation one by one, and the data processing module is further used for determining N pulse numbers according to the N picture areas and sending the N pulse numbers to the voltage compensation module; the voltage compensation module is used for obtaining the current brightness selected by a user and compensating the brightness of the N display areas according to the current brightness and the N pulse numbers. The brightness uniformity of each display area of the display panel is improved, and the display image quality is further improved.
Description
Technical Field
The invention relates to the technical field of LED display, in particular to a brightness compensation device, a brightness compensation method and a display device.
Background
An Organic Light Emitting Diode (OLED) display device has many advantages of self-luminescence, low driving voltage, high light Emitting efficiency, short response time, and wide temperature range, and is recognized as a display device having the most potential for development. OLEDs are classified into Passive Matrix OLEDs (PMOLEDs) and Active Matrix Organic Light Emitting Diodes (AMOLEDs) according to driving methods. The AMOLED display device is provided with a plurality of pixels which are arranged in an array mode, and each pixel corresponds to one AMOLED.
In the prior art, an Integrated Circuit (IC) is mounted at the bottom of a display panel, and the IC provides a light emitting voltage for each display region of the display panel through a power line.
However, when the display brightness selected by the user is low, because Resistance-Capacitance loading (RC loading for short) of the same power line is different, the brightness of different display areas on the display panel is also different, the brightness of the display panel is not uniform, and the display image quality is poor.
Disclosure of Invention
The invention provides a brightness compensation device, a brightness compensation method and a display device, which are used for solving the problem of uneven display brightness of a display panel when the display brightness selected by a user is low in the prior art.
In a first aspect, the present invention provides a luminance compensation apparatus, comprising: the data processing module is connected with the voltage compensation module, the voltage compensation module is also connected with the display panel, and the data processing module is also connected with a memory in the integrated circuit IC; the data processing module is used for segmenting the picture data stored in the memory according to N display areas included by the display panel to obtain N picture areas, the N display areas included by the display panel correspond to the N picture areas obtained by segmentation one by one, and the data processing module is also used for determining N pulse numbers according to the N picture areas and sending the N pulse numbers to the voltage compensation module; the voltage compensation module is used for obtaining the current brightness selected by a user and compensating the brightness of the N display areas according to the current brightness and the N pulse numbers, wherein N is greater than or equal to 2.
The brightness compensation device performs brightness compensation on the display brightness selected by a user, and performs brightness compensation of different degrees on different display areas based on the distance between each display area and the IC, so as to improve the brightness uniformity of each display area of the display panel and further improve the display image quality.
Optionally, the voltage compensation module is specifically configured to determine compensation voltages corresponding to the N display regions according to the current brightness and the N pulse numbers; and respectively superposing the compensation voltages corresponding to the N display areas to the input voltages of the N display areas so as to realize the compensation of the brightness of the N display areas.
Optionally, the voltage compensation module is specifically configured to determine the compensation voltages corresponding to the N display areas by using the following formula:
Output＝K1*(A-P1)/A+K2*(N-P2)/N
where K1 and K2 are compensation coefficients, a is a luminance threshold, P1 is the current luminance, and P2 is the number of pulses.
In a second aspect, the present invention provides a brightness compensation method applied to the brightness compensation apparatus, the method including: the voltage compensation module acquires the current brightness selected by a user; the voltage compensation module receives N pulse numbers sent by the data processing module; and the voltage compensation module compensates the brightness of the N display areas according to the current brightness and the N pulse numbers.
According to the method, when the brightness selected by the user is smaller than the brightness threshold value, the brightness compensation is performed according to the brightness selected by the user on one hand, and on the other hand, the brightness compensation is performed to different display areas to different degrees on the basis of the distance between each display area and the IC, so that the brightness uniformity of each display area of the display panel is improved, and the display image quality is improved.
Optionally, the adjusting, by the voltage compensation module, the brightness of the N display regions according to the current brightness and the N number of pulses includes: the voltage compensation module determines compensation voltages corresponding to the N display areas according to the current brightness and the N pulse numbers; and the voltage compensation module is used for respectively superposing compensation voltages corresponding to the N display areas into input voltages of the N display areas so as to realize the compensation of the brightness of the N display areas.
Optionally, the determining, by the voltage compensation module, the compensation voltages corresponding to the N display regions according to the current brightness and the N pulse numbers includes: the voltage compensation module judges whether the current brightness is smaller than a brightness threshold value; if so, the voltage compensation module determines compensation voltages corresponding to the N display areas according to the current brightness and the N pulse numbers.
Optionally, the determining, by the voltage compensation module, the compensation voltages corresponding to the N display regions according to the current brightness and the N pulse numbers includes:
the voltage compensation module determines compensation voltages corresponding to the N display areas by adopting the following formula:
Output＝K1*(A-P1)/A+K2*(N-P2)/N
where K1 and K2 are compensation coefficients, a is a luminance threshold, P1 is the current luminance, and P2 is the number of pulses.
In a third aspect, the present invention provides a brightness compensation method applied to the brightness compensation apparatus, the method including: the data processing module divides picture data stored in a memory in the IC according to N display areas included by the display panel to obtain N picture areas, wherein the N display areas included by the display panel correspond to the N picture areas obtained by division one by one; and the data processing module generates N pulse numbers according to the N picture areas and sends the N pulse numbers to the voltage compensation module.
In a fourth aspect, the present invention provides a display device, comprising the above luminance compensation device, the IC, and the display panel. Optionally, the IC includes a wireless access point, a mobile industry processor interface, a random access memory, an optical compensation module, a gamma correction module, and a digital-to-analog converter, which are connected in sequence, the data processing module is connected to the random access memory, and the digital-to-analog converter is connected to the display panel. The brightness compensation device performs brightness compensation on the display brightness selected by the user on one hand, and performs brightness compensation of different degrees on different display areas on the other hand based on the distance between each display area and the IC, so as to improve the brightness uniformity of each display area of the display panel and further improve the display image quality.
Drawings
FIG. 1 is a schematic view of a display panel according to the present invention;
FIG. 2 is a schematic structural diagram of a first embodiment of a luminance compensation apparatus according to the present invention;
FIG. 3 is a schematic diagram of an IC according to the present invention;
fig. 4 is a schematic diagram of a picture region obtained by segmenting picture data according to the present invention;
fig. 5 is a flowchart illustrating a first embodiment of a luminance compensation method according to the present invention.
Description of reference numerals:
100: a brightness compensation device;
10: a data processing module;
11: a voltage compensation module;
12: a display panel;
13：IC；
131: a wireless access point;
132: a mobile industry processor interface;
133: a random access memory;
134: an optical compensation module;
135: a gamma correction module;
136: a digital-to-analog converter.
Detailed Description
To make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the present application will be clearly and completely described below with reference to the drawings in the present application, and it is obvious that the described embodiments are some, but not all embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In this application, it should be understood that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, "at least one" means one or more, "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone, wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, at least one (one) of a, b, or c, may represent: a alone, b alone, c alone, a and b combination, a and c combination, b and c combination, or a, b and c combination, wherein a, b and c can be single or multiple.
Fig. 1 is a schematic view of a display panel according to the present invention. An Integrated Circuit (IC) is mounted at the bottom of the display panel, and the IC provides a light emitting voltage to each display region of the display panel through a power line. When the display brightness selected by the user is low, due to different Resistance-Capacitance loading (RC loading for short) of the same power line, the brightness of different display areas on the display panel is also different (fig. 1 shows that the display panel includes a display area 1-a display area 5), the brightness of the display area close to the IC is dark, the brightness of the display area far from the IC is bright, the brightness of the display panel is uneven, and the display image quality is poor. Further, the display panel is more likely to have uneven brightness as the display brightness selected by the user is lower.
In order to solve the problem that the brightness of each display area of a display panel is not uniform when a user selects lower display brightness, the invention provides a brightness compensation device which performs brightness compensation aiming at the display brightness selected by the user on one hand and performs brightness compensation of different degrees on different display areas on the other hand based on the distance between each display area and an IC, so that the brightness uniformity of each display area of the display panel is improved, and the display image quality is further improved.
The following describes the brightness compensation device and compensation method according to the present invention in detail by using specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 2 is a schematic structural diagram of a first embodiment of a luminance compensation apparatus according to the present invention, and as shown in fig. 2, the luminance compensation apparatus 100 provided in this embodiment includes: the data processing module 10 is connected with the voltage compensation module 11, the voltage compensation module 11 is further connected with the display panel 12, and the data processing module 10 is further connected with a memory in the IC 13.
The data processing module 10 is configured to divide the picture data stored in the memory according to N display regions included in the display panel 12 to obtain N picture regions, where the N display regions included in the display panel 12 correspond to the N divided picture regions one to one, and the data processing module 10 is further configured to determine N pulse numbers according to the N picture regions and send the N pulse numbers to the voltage compensation module 11; the voltage compensation module 11 is configured to obtain a current brightness selected by a user, and compensate the brightness of the N display areas according to the current brightness and the N pulse numbers, where N is greater than or equal to 2.
It should be noted that, fig. 2 illustrates the luminance compensation apparatus 100 disposed outside the IC, alternatively, the luminance compensation apparatus 100 may be disposed inside the IC, so that the luminance compensation apparatus 100 becomes a module inside the IC, and the present invention does not limit the disposition position thereof as long as the luminance compensation apparatus 100 can implement the compensation scheme provided by the present invention.
Referring to fig. 3, the IC13 may include a Wireless Access Point (AP) 131, a Mobile Industry Processor Interface (MIPI) 132, a Random Access Memory (RAM) 133, an optical compensation module 134, a gamma correction module 135, and a digital-to-analog converter 136, which are connected in sequence. The data processing module 10 may be connected to the RAM133 and the digital-to-analog converter 136 to the display panel 12. The principle of the IC13 controlling the light emission of the display panel 12 belongs to the prior art, and the present invention is not described herein.
Referring to fig. 3, the data processing module 10 may be connected to a RAM133 in the IC13, and the RAM133 stores therein picture data sent from the AP 131. The data processing module 10 may obtain the picture data from the RAM133, then divide the picture data according to the N display regions included in the display panel 12 to obtain N picture regions, and generate N pulse numbers according to the N picture regions.
Such as: referring to fig. 1, the display panel 12 includes 5 display regions, and the data processing module 10 may divide the picture data into 5 picture regions as shown in fig. 4. The picture area 1 corresponds to the display area 1, the picture area 2 corresponds to the display area 2, the picture area 3 corresponds to the display area 3, the picture area 4 corresponds to the display area 4, and the picture area 5 corresponds to the display area 5. The number of pulses in picture area 1 is determined to be 1, the number of pulses in picture area 2 is determined to be 2, the number of pulses in picture area 3 is determined to be 3, the number of pulses in picture area 4 is determined to be 4, and the number of pulses in picture area 5 is determined to be 5. The number of pulses is indicated by pulse in fig. 4.
Referring to fig. 3, the voltage compensation module 11 may be connected to the AP131, the voltage compensation module 11 may obtain the current brightness selected by the user from the AP131, and the data processing module 10 may send the N pulse numbers determined by the above method to the voltage compensation module 11, on one hand, after the voltage compensation module 11 obtains the current brightness selected by the user, brightness compensation may be performed on the current brightness; on the other hand, after receiving the N number of pulse numbers sent by the data processing module 10, the voltage compensation module 11 may perform brightness compensation on the display area corresponding to the number of pulse numbers based on the number of pulse numbers, and through the above two aspects of brightness compensation, the problem of uneven brightness of each display area of the display panel 12 when the user selects a low display brightness can be solved.
The brightness compensation device provided by the invention is provided with a data processing module and a voltage compensation module, wherein the data processing module can divide picture data according to N display areas included by a display panel to obtain N picture areas, determines N pulse numbers according to the N picture areas, and sends the N pulse numbers to the voltage compensation module, and the voltage compensation module can compensate the brightness of the N display areas according to the current brightness and the N pulse numbers selected by a user, so that the brightness uniformity of each display area of the display panel is improved, and the display image quality is improved.
Fig. 5 is a flowchart illustrating a first embodiment of a luminance compensation method according to the present invention. The brightness compensation method provided by the present embodiment can be applied to the brightness compensation apparatus 100 shown in fig. 2, and the brightness compensation method provided by the present embodiment may include:
s501, the voltage compensation module 11 obtains the current brightness selected by the user.
Alternatively, the voltage compensation module 11 may obtain the current brightness selected by the user from the AP 131.
And S502, the data processing module 10 sends the determined N pulse numbers to the voltage compensation module 11.
The implementation manner of determining N pulse numbers by the data processing module 10 can be referred to the above embodiments, and the present invention is not described herein again.
S503, the voltage compensation module 11 compensates the brightness of the N display areas according to the current brightness and the N pulse numbers.
In a possible implementation manner, the voltage compensation module 11 may determine compensation voltages corresponding to the N display regions according to the current luminance and the N pulse numbers, and then superimpose the compensation voltages corresponding to the N display regions on input voltages of the N display regions, respectively, so as to implement the luminance compensation of the N display regions.
Optionally, the voltage compensation module 11 may first determine whether the current brightness selected by the user is smaller than the brightness threshold, and if so, determine the compensation voltages corresponding to the N display regions according to the current brightness and the N pulse numbers; if not, the subsequent compensation processing is not carried out.
In one possible implementation manner, the compensation voltages corresponding to the N display regions may be determined by using the following formula:
Output＝K1*(A-P1)/A+K2*(N-P2)/N
wherein Output is the compensation voltage, K1 and K2 are the compensation coefficients, a is the brightness threshold, P1 is the current brightness, and P2 is the pulse number. K1 and K2 can be derived from pre-simulation or debugging experience.
In the above formula, K1 × (a-P1)/a is the luminance compensation for the current display luminance selected by the user, and K2 × (N-P2)/N is the luminance compensation for the display region corresponding to the pulse number based on the pulse number.
The following examples illustrate:
for the display panel shown in fig. 1, for example, K1 is set to 0.5, K2 is set to 0.2, N is set to 5, and a is set to 400, then when the current brightness P1 selected by the user is 100, 50, 25, and 5 respectively, the compensation voltages corresponding to the 5 display regions on the display panel calculated by the above method can be seen in table 1 below:
TABLE 1
Taking P1-100, P2-4 in table 1 as an example, K1-0.5, K2-0.2, N-5, a-400, P1-100, and P2-4 are put into the above formula, so as to obtain the compensation voltage corresponding to the display area 4 of the display panel shown in fig. 1, which is 0.415, and the compensation voltage is superimposed on the voltage input to the display area 4 by the IC through the power line, so that the luminance of the display area 4 can be compensated.
The brightness compensation method provided by this embodiment provides a specific implementation manner for performing brightness compensation on each display area on the display panel, and when the brightness selected by the user is smaller than the brightness threshold, the brightness compensation method provided by this embodiment compensates the brightness selected by the user on the one hand, and performs brightness compensation to different display areas to different degrees on the other hand, based on the distance between each display area and the IC, so that the brightness uniformity of each display area of the display panel is improved, and the display image quality is further improved.
The present invention provides a display device, which may include the above-mentioned brightness compensation device, an IC and a display panel, wherein, as shown in fig. 3, the IC may include a wireless access point, a mobile industry processor interface, a random access memory, an optical compensation module, a gamma correction module and a digital-to-analog converter, which are connected in sequence, a data processing module in the brightness compensation device is connected with the random access memory, and the digital-to-analog converter is connected with the display panel. The display device can be a mobile phone, a tablet, a notebook computer, a desktop computer, a television and other equipment for displaying pictures.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An illumination compensation apparatus, comprising: the data processing module is connected with the voltage compensation module, the voltage compensation module is connected with the display panel, and the data processing module is connected with a memory in the integrated circuit IC;
the data processing module is used for segmenting the picture data stored in the memory according to N display areas included by the display panel to obtain N picture areas, the N display areas included by the display panel correspond to the N picture areas obtained by segmentation one by one, and the data processing module is also used for determining N pulse numbers according to the N picture areas and sending the N pulse numbers to the voltage compensation module; the voltage compensation module is used for obtaining the current brightness selected by a user and compensating the brightness of the N display areas according to the current brightness and the N pulse numbers, wherein N is greater than or equal to 2.
2. The luminance compensation device according to claim 1,
the voltage compensation module is specifically configured to determine compensation voltages corresponding to the N display regions according to the current brightness and the N pulse numbers; and respectively superposing the compensation voltages corresponding to the N display areas to the input voltages of the N display areas so as to realize the compensation of the brightness of the N display areas.
3. The luminance compensation device according to claim 1 or 2,
the voltage compensation module is specifically configured to determine compensation voltages corresponding to the N display regions by using the following formula:
Output＝K1*(A-P1)/A+K2*(N-P2)/N
where K1 and K2 are compensation coefficients, a is a luminance threshold, P1 is the current luminance, and P2 is the number of pulses.
4. A brightness compensation method is applied to a voltage compensation module, and is characterized by comprising the following steps:
the voltage compensation module acquires the current brightness selected by a user;
the voltage compensation module receives N pulse numbers sent by the data processing module;
and the voltage compensation module compensates the brightness of the N display areas according to the current brightness and the N pulse numbers.
5. The method of claim 4, wherein the voltage compensation module adjusts the brightness of the N display regions according to the current brightness and the N number of pulses, comprising:
the voltage compensation module determines compensation voltages corresponding to the N display areas according to the current brightness and the N pulse numbers;
and the voltage compensation module is used for respectively superposing compensation voltages corresponding to the N display areas into input voltages of the N display areas so as to realize the compensation of the brightness of the N display areas.
6. The method according to claim 5, wherein the voltage compensation module determines the compensation voltages corresponding to the N display regions according to the current brightness and the N pulse numbers, and comprises:
the voltage compensation module judges whether the current brightness is smaller than a brightness threshold value;
if so, the voltage compensation module determines compensation voltages corresponding to the N display areas according to the current brightness and the N pulse numbers.
7. The method according to claim 5 or 6, wherein the determining, by the voltage compensation module, the compensation voltages corresponding to the N display regions according to the current brightness and the N pulse numbers comprises:
the voltage compensation module determines compensation voltages corresponding to the N display areas by adopting the following formula:
Output＝K1*(A-P1)/A+K2*(N-P2)/N
where K1 and K2 are compensation coefficients, a is a luminance threshold, P1 is the current luminance, and P2 is the number of pulses.
8. An illumination compensation method applied to a data processing module, the method comprising:
the data processing module divides the picture data stored in the memory according to N display areas included by the display panel to obtain N picture areas, and the N display areas included by the display panel correspond to the N picture areas obtained by division one by one;
and the data processing module generates N pulse numbers according to the N picture areas and sends the N pulse numbers to the voltage compensation module.
9. A display device comprising the luminance compensation device according to any one of claims 1 to 3, the IC, and the display panel.
10. The display device according to claim 9, wherein the IC comprises a wireless access point, a mobile industry processor interface, a random access memory, an optical compensation module, a gamma correction module, and a digital-to-analog converter, which are connected in sequence, the data processing module is connected to the random access memory, and the digital-to-analog converter is connected to the display panel.
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| CN112950657A (en) * | 2021-03-29 | 2021-06-11 | 合肥京东方显示技术有限公司 | Gamma value correction method, gamma value correction device, electronic device, and readable storage medium |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101667418A (en) * | 2009-09-25 | 2010-03-10 | 深圳丹邦投资集团有限公司 | Method for displaying luminance compensation of display screen and system thereof |
| CN102376270A (en) * | 2010-08-23 | 2012-03-14 | 三美电机株式会社 | Brightness control apparatus and brightness control method |
| CN105139809A (en) * | 2015-09-01 | 2015-12-09 | 青岛海信电器股份有限公司 | Liquid crystal display brightness control method and device, and liquid crystal display equipment |
| CN106887212A (en) * | 2017-03-28 | 2017-06-23 | 京东方科技集团股份有限公司 | A kind of OLED display and its brightness adjusting method |
| CN107492335A (en) * | 2017-09-26 | 2017-12-19 | 惠科股份有限公司 | Method, structure and the repair system of image compensation signal generation |
| CN109036260A (en) * | 2018-08-31 | 2018-12-18 | 北京集创北方科技股份有限公司 | Data processing method, display driver chip and display equipment |
| KR20190052195A (en) * | 2017-11-06 | 2019-05-16 | 삼성디스플레이 주식회사 | Method of compensating for non-uniformity of luminance of a display panel and display device employing the same |
| CN110827755A (en) * | 2019-11-22 | 2020-02-21 | 武汉天马微电子有限公司 | Display panel and device, power supply voltage detection and compensation circuit and method |
-
2020
- 2020-05-26 CN CN202010455285.3A patent/CN111583853B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101667418A (en) * | 2009-09-25 | 2010-03-10 | 深圳丹邦投资集团有限公司 | Method for displaying luminance compensation of display screen and system thereof |
| CN102376270A (en) * | 2010-08-23 | 2012-03-14 | 三美电机株式会社 | Brightness control apparatus and brightness control method |
| CN105139809A (en) * | 2015-09-01 | 2015-12-09 | 青岛海信电器股份有限公司 | Liquid crystal display brightness control method and device, and liquid crystal display equipment |
| CN106887212A (en) * | 2017-03-28 | 2017-06-23 | 京东方科技集团股份有限公司 | A kind of OLED display and its brightness adjusting method |
| CN107492335A (en) * | 2017-09-26 | 2017-12-19 | 惠科股份有限公司 | Method, structure and the repair system of image compensation signal generation |
| KR20190052195A (en) * | 2017-11-06 | 2019-05-16 | 삼성디스플레이 주식회사 | Method of compensating for non-uniformity of luminance of a display panel and display device employing the same |
| CN109036260A (en) * | 2018-08-31 | 2018-12-18 | 北京集创北方科技股份有限公司 | Data processing method, display driver chip and display equipment |
| CN110827755A (en) * | 2019-11-22 | 2020-02-21 | 武汉天马微电子有限公司 | Display panel and device, power supply voltage detection and compensation circuit and method |
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| CN112950657A (en) * | 2021-03-29 | 2021-06-11 | 合肥京东方显示技术有限公司 | Gamma value correction method, gamma value correction device, electronic device, and readable storage medium |
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