CN110853580A - Driving device of organic light emitting display panel, driving method thereof and display device - Google Patents
Driving device of organic light emitting display panel, driving method thereof and display device Download PDFInfo
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- CN110853580A CN110853580A CN201911205503.1A CN201911205503A CN110853580A CN 110853580 A CN110853580 A CN 110853580A CN 201911205503 A CN201911205503 A CN 201911205503A CN 110853580 A CN110853580 A CN 110853580A
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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]
Abstract
The invention discloses a driving device of an organic light emitting display panel, a driving method thereof and a display device, comprising: the device comprises a main control circuit, a compensation circuit and a moire compensation coefficient selection circuit; the main control circuit obtains current temperature information of the display panel, controls the moire compensation coefficient selection circuit to select a moire compensation coefficient group corresponding to the current temperature information from a plurality of pre-stored moire compensation coefficient groups according to the current temperature information, compensates image data to be displayed according to the moire compensation coefficient group and position information corresponding to each pixel, and provides the compensated image data to be displayed for the main control circuit to drive the display panel to display. Through the setting of the main control circuit, the compensation circuit and the moire compensation coefficient selection circuit, the display panel displays image data to be displayed compensated according to the current temperature information, moire generated when the display panel is arranged in scenes with different temperatures can be compensated, and the display uniformity of the display panel is improved.
Description
Technical Field
The present invention relates to the field of electroluminescent display technologies, and in particular, to a driving device of an organic light emitting display panel, a driving method thereof, and a display device.
Background
With the development of display technology, the display panel can be applied to various scenes, and the temperature of the display panel is different in different application scenes, for example, under the condition that the vehicle-mounted display is often at low temperature, high temperature or under the irradiation of sunlight, the strict application environment puts higher requirements on the adaptability and reliability of the display.
In a display panel in the related art, a moire phenomenon (Mura) occurs during a display process, and particularly, when the display panel provides the same driving voltage to each pixel during the display process, the display panel has irregular-shaped bright spots or dark spots, and the irregular shape is like a cloud, so the display panel is also called a moire. Therefore, in order to improve the display uniformity of the display panel, in the related art, the moire is eliminated by increasing the brightness of the dark spot position or decreasing the brightness of the bright spot position, that is, the occurrence of the moire is compensated by decreasing the corresponding gray scale at the bright spot position and increasing the corresponding gray scale at the dark spot position. However, characteristics of a thin film transistor and a light emitting device in the display panel may change at different temperatures, and moire compensation data determined at normal temperature is not sufficient to compensate the display panel at different temperatures, that is, the moire phenomenon may still occur on the display surface when the compensation data determined at normal temperature is used to compensate the display panel at low or high temperature.
Therefore, how to compensate for the moire occurring on the display panel at different temperatures is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of this, embodiments of the present invention provide a driving apparatus, a driving method, and a display apparatus for an organic light emitting display panel, which compensate image data to be displayed according to current temperature information of pixels at corresponding positions to improve display uniformity of the display panel.
In a first aspect, an embodiment of the present invention provides a driving apparatus for an organic light emitting display panel, including: the device comprises a main control circuit, a compensation circuit and a moire compensation coefficient selection circuit;
the main control circuit is used for acquiring current temperature information, controlling the moire compensation coefficient selection circuit to select a moire compensation coefficient group corresponding to the current temperature information according to the current temperature information, and providing compensated image data to be displayed provided by the compensation circuit to the organic light-emitting display panel;
the moire compensation coefficient selection circuit is used for selecting a moire compensation coefficient group corresponding to the current temperature information from a plurality of pre-stored moire compensation coefficient groups under the control of the main control circuit, and providing the moire compensation coefficient group for the compensation circuit; each moire compensation coefficient group comprises position information of each pixel and a compensation coefficient corresponding to the position information, and the compensation coefficients corresponding to the pixels at different positions are not completely the same;
the compensation circuit is used for acquiring image data to be displayed, compensating the image data to be displayed according to the moire compensation coefficient group corresponding to the current temperature information and the position information corresponding to each pixel, and providing the compensated image data to be displayed to the main control circuit.
In a second aspect, an embodiment of the present invention further provides a method for driving an organic light emitting display panel, including:
acquiring current temperature information;
according to the current temperature information, selecting a moire compensation coefficient group corresponding to the current temperature information from a plurality of pre-stored moire compensation coefficient groups;
compensating image data to be displayed according to the moire compensation coefficient group corresponding to the current temperature information and the position information corresponding to each pixel, and providing the compensated image data to be displayed for the organic light-emitting display panel;
and the organic light-emitting display panel displays according to the compensated image data to be displayed.
In a third aspect, an embodiment of the present invention further provides a display device, including: an organic light emitting display panel and a driving device of the organic light emitting display panel provided by any embodiment of the first aspect.
The invention has the beneficial effects that:
the embodiment of the invention provides a driving device, a driving method and a display device of an organic light-emitting display panel, wherein the driving device of the organic light-emitting display panel comprises the following components: the device comprises a main control circuit, a compensation circuit and a moire compensation coefficient selection circuit; the main control circuit obtains current temperature information of the display panel, controls the moire compensation coefficient selection circuit to select a moire compensation coefficient group corresponding to the current temperature information from a plurality of pre-stored moire compensation coefficient groups according to the current temperature information, compensates image data to be displayed according to the moire compensation coefficient group and position information corresponding to each pixel, and provides the compensated image data to be displayed for the main control circuit to drive the display panel to display. Through the setting of the main control circuit, the compensation circuit and the moire compensation coefficient selection circuit, the display panel displays image data to be displayed compensated according to the current temperature information, moire generated when the display panel is arranged in scenes with different temperatures can be compensated, and the display uniformity of the display panel is improved.
Drawings
Fig. 1 is a schematic structural diagram of a driving apparatus of an organic light emitting display panel according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a compensation circuit according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of another structure of a compensation circuit according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a driving apparatus of an organic light emitting display panel according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a driving apparatus of an organic light emitting display panel according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a driving apparatus of an organic light emitting display panel according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a driving apparatus of an organic light emitting display panel according to an embodiment of the present invention;
fig. 8 is a schematic circuit diagram of a connection of an end of the temperature detection signal line away from the temperature acquisition sub-circuit according to the embodiment of the present invention;
fig. 9 is a schematic diagram of a relative position relationship structure between a temperature sensing circuit and an organic light emitting display panel according to an embodiment of the invention;
fig. 10 is a flowchart of a method for obtaining a set of moire compensation coefficients according to an embodiment of the present invention;
fig. 11 is a flowchart illustrating a driving method of an organic light emitting display panel according to an embodiment of the present invention;
fig. 12 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
In a display panel in the related art, a moire phenomenon (Mura) occurs during a display process, and particularly, when the display panel provides the same driving voltage to each pixel during the display process, the display panel has irregular-shaped bright spots or dark spots, and the irregular shape is like a cloud, so the display panel is also called a moire.
In order to improve the display uniformity of the display panel, in the related art, the moire is eliminated by increasing the brightness of the dark spot position or decreasing the brightness of the bright spot position, that is, the moire is compensated by decreasing the corresponding gray scale at the bright spot position and increasing the corresponding gray scale at the dark spot position. Therefore, in order to compensate the moire, a set of moire compensation data is determined at normal temperature, and when the display panel displays, the set of moire compensation data is used for compensating the display panel so as to eliminate the possible moire phenomenon of the display panel.
However, characteristics of the thin film transistor and the light emitting device in the display panel may change at different temperatures, and the moire compensation data determined at normal temperature is not sufficient to compensate the display panel at different temperatures, that is, the moire phenomenon may still occur on the display surface when the display panel is compensated by the moire compensation data determined at normal temperature at low temperature or high temperature.
Based on the above problems of the display panel in the related art, embodiments of the present invention provide a driving apparatus of an organic light emitting display panel, a driving method thereof, and a display apparatus. In order to make the objects, technical solutions and advantages of the present invention clearer, specific embodiments of a driving apparatus for an organic light emitting display panel, a driving method thereof and a display apparatus according to an embodiment of the present invention are described in detail below with reference to the accompanying drawings. It should be understood that the preferred embodiments described below are only for illustrating and explaining the present invention and are not to be used for limiting the present invention. And the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The shapes and sizes of the various elements in the drawings are not to scale and are merely intended to illustrate the invention.
Specifically, an embodiment of the present invention provides a driving apparatus of an organic light emitting display panel, as shown in fig. 1, the driving apparatus including: the device comprises a main control circuit 1, a compensation circuit 2 and a moire compensation coefficient selection circuit 3;
the main control circuit 1 is used for acquiring current temperature information, controlling the moire compensation coefficient selection circuit 3 to select a moire compensation coefficient group corresponding to the current temperature information according to the current temperature information, and providing compensated image data to be displayed provided by the compensation circuit 2 to the organic light emitting display panel 4;
the moire compensation coefficient selection circuit 3 is used for selecting a moire compensation coefficient group corresponding to the current temperature information from a plurality of pre-stored moire compensation coefficient groups under the control of the main control circuit 1, and providing the moire compensation coefficient group for the compensation circuit 2; each moire compensation coefficient group comprises position information of each pixel and a compensation coefficient corresponding to the position information, and the compensation coefficients corresponding to the pixels at different positions are not completely the same;
the compensation circuit 2 is configured to acquire image data to be displayed, compensate the image data to be displayed according to the moire compensation coefficient group corresponding to the current temperature information and the position information corresponding to each pixel, and provide the compensated image data to be displayed to the main control circuit 1.
If the current temperature information acquired by the main control circuit is the first temperature, the moire compensation coefficient selection circuit selects a first moire compensation coefficient group corresponding to the first temperature from a plurality of pre-stored moire compensation coefficient groups, calculates a moire compensation value corresponding to each sub-pixel according to the first temperature, the first moire compensation coefficient group and the position information of each pixel in the display panel, compensates the image data to be displayed according to the moire compensation value, and displays the compensated image data to be displayed on the display panel so as to compensate the moire phenomenon which may occur on the display panel at the first temperature.
The selected moire compensation coefficient group is selected according to the current temperature information, so that the moire compensation coefficient group can compensate the moire appearing on the display panel at the current temperature, the display uniformity of the display panel at the current temperature can be improved, when the temperature of the display panel changes, the moire compensation coefficient group corresponding to the changed temperature can be selected from the prestored moire compensation coefficient group to compensate the moire of the display panel, and the temperature adaptability of the display panel is enhanced.
In addition, the pre-stored moire compensation coefficient group comprises the corresponding relation between each moire compensation coefficient and the position of each sub-pixel, so that when image data to be displayed is compensated, the data to be displayed corresponding to each pixel can be compensated according to the position relation of each sub-pixel, that is, accurate moire compensation can be realized for each sub-pixel.
Specifically, the driving device of an organic light emitting display panel provided by the embodiment of the invention comprises: the device comprises a main control circuit, a compensation circuit and a moire compensation coefficient selection circuit; the main control circuit obtains current temperature information of the display panel, controls the moire compensation coefficient selection circuit to select a moire compensation coefficient group corresponding to the current temperature information from a plurality of pre-stored moire compensation coefficient groups according to the current temperature information, compensates image data to be displayed according to the moire compensation coefficient group and position information corresponding to each pixel, and provides the compensated image data to be displayed for the main control circuit to drive the display panel to display. Through the setting of the main control circuit, the compensation circuit and the moire compensation coefficient selection circuit, the display panel displays image data to be displayed compensated according to the current temperature information, moire generated when the display panel is arranged in scenes with different temperatures can be compensated, and the display uniformity of the display panel is improved.
Optionally, in the driving apparatus of an organic light emitting display panel provided in the embodiment of the present invention, when a plurality of pre-stored moire compensation coefficient groups are moire compensation coefficient groups corresponding to a plurality of temperature nodes, the moire compensation coefficient selection circuit is specifically configured to:
when the temperature node comprises current temperature information, determining that the moire compensation coefficient group corresponding to the temperature node is the moire compensation coefficient group corresponding to the current temperature information;
and when the temperature nodes do not comprise the current temperature information, calculating the moire compensation coefficient group corresponding to the current temperature information by a linear interpolation method according to the moire compensation coefficient groups corresponding to the two temperature nodes adjacent to the current temperature information.
When a plurality of pre-stored moire compensation coefficient groups are set corresponding to the moire compensation coefficient groups corresponding to the plurality of temperature nodes, as shown in table one:
As shown in Table I, each temperature node and each moire compensation coefficientThe groups are arranged correspondingly. For example: when the obtained current temperature information is T2When the first pre-stored table contains T2Temperature node, then directly determine T2And the corresponding second moire compensation coefficient group is the moire compensation coefficient group corresponding to the current temperature information, and the second moire compensation coefficient group is utilized to compensate the data to be displayed. When the obtained current temperature information is T2And T3And during temperature measurement, calculating a moire compensation coefficient group corresponding to the current temperature information according to the second moire compensation coefficient group and the third moire compensation coefficient group, and specifically calculating the moire compensation coefficient group corresponding to the current temperature information by a linear interpolation method. Of course, the calculation may be performed in other ways, and is not limited in particular.
Through the arrangement, the acquired temperature information is T1To TNIn the past, the moire compensation coefficient group corresponding to the current temperature information can be accurately determined, and when the temperature changes, the corresponding moire compensation coefficient group can be timely switched to compensate the image data to be displayed.
Optionally, in the driving apparatus of an organic light emitting display panel provided in the embodiment of the present invention, when a plurality of pre-stored moire compensation coefficient groups are moire compensation coefficient groups corresponding to a plurality of temperature intervals, the moire compensation coefficient selection circuit is specifically configured to:
and determining the cloud pattern compensation coefficient group corresponding to the temperature interval containing the current temperature information as the cloud pattern compensation coefficient group corresponding to the current temperature information.
When a plurality of pre-stored moire compensation coefficient groups are set corresponding to the moire compensation coefficient groups corresponding to the temperature intervals, as shown in table two:
watch two
As shown in Table two, each moire compensation coefficient group is set corresponding to each temperature interval, T1-T2The temperature interval corresponds to a first set of moire compensation coefficients, T2-T3The temperature interval corresponds to a second set of moire compensation coefficients, T3-T4The temperature interval corresponds to a third set of moire compensation coefficients, TN-2-TN-1The temperature interval corresponds to the N-1 th moire compensation coefficient group, TN-1-TNThe temperature interval corresponds to the Nth moire compensation coefficient group. For example, the current temperature information is obtained at T2-T3And when the temperature is within the temperature interval, directly determining the second moire compensation coefficient group as the moire compensation coefficient group corresponding to the current temperature information, and directly compensating the image data to be displayed according to the second moire compensation coefficient group.
The same temperature interval uses the same group of moire compensation coefficient groups by the arrangement mode, and after the current temperature information is determined, the temperature interval where the same group of moire compensation coefficient groups is located can be directly determined, so that the corresponding moire compensation coefficient groups can be directly determined without other calculations.
Alternatively, in the driving apparatus of an organic light emitting display panel provided in an embodiment of the present invention, as shown in fig. 2, the compensation circuit includes: a compensation data selection sub-circuit 21, a pixel position judgment sub-circuit 22, and a compensation sub-circuit 23;
the pixel position judging sub-circuit 22 is configured to sequentially obtain image data corresponding to each pixel in the image data to be displayed, provide the image data corresponding to the pixel to the compensation sub-circuit 23, and provide position information in the image data corresponding to the pixel to the compensation data selecting sub-circuit 21; the image data corresponding to each pixel comprises position information of the pixel, position information of each color sub-pixel in the pixel and a gray-scale value corresponding to each color sub-pixel;
the compensation data selection sub-circuit 21 is configured to determine a compensation coefficient corresponding to each pixel according to the moire compensation coefficient group corresponding to the current temperature information and the position information of the pixel, and provide the compensation coefficient corresponding to each pixel to the compensation sub-circuit 23; the compensation coefficient corresponding to the pixel comprises a compensation coefficient corresponding to each sub-pixel in the pixel;
the compensation sub-circuit 23 is configured to generate compensated image data to be displayed according to the image data corresponding to each pixel and the compensation coefficient corresponding to each pixel.
As shown in table three, table four, and table five, the table three shows the acquired image data information to be displayed, the table four shows the moire compensation value corresponding to each sub-pixel determined according to the moire compensation coefficient group corresponding to the first temperature information, and the table five shows the compensated image data to be displayed.
Watch III
| R11 | G11 | B11 | R12 | G12 | B12 | R13 | G13 | B13 | … | R1N | G1N | B1N |
| R21 | G21 | B21 | R22 | G22 | B22 | R23 | G23 | B23 | … | R2N | G2N | B2N |
| R31 | G31 | B31 | R32 | G32 | B32 | R33 | G33 | B33 | … | R3N | G3N | B3N |
| … | … | … | … | … | … | … | … | … | … | … | … | … |
| RN1 | GN1 | BN1 | RN2 | GN2 | BN2 | RN3 | GN3 | BN3 | … | RNN | GNN | BNN |
Watch four
| R’11 | G’11 | B’11 | R’12 | G’12 | B’12 | R’13 | G’13 | B’13 | … | R’1N | G’1N | B’1N |
| R’21 | G’21 | B’21 | R’22 | G’22 | B’22 | R’23 | G’23 | B’23 | … | R’2N | G’2N | B’2N |
| R’31 | G’31 | B’31 | R’32 | G’32 | B’32 | R’33 | G’33 | B’33 | … | R’3N | G’3N | B’3N |
| … | … | … | … | … | … | … | … | … | … | … | … | … |
| R’N1 | G’N1 | B’N1 | R’N2 | G’N2 | B’N2 | R’N3 | G’N3 | B’N3 | … | R’NN | G’NN | B’NN |
Watch five
| R”11 | G”11 | B”11 | R”12 | G”12 | B”12 | R”13 | G”13 | B”13 | … | R”1N | G”1N | B”1N |
| R”21 | G”21 | B”21 | R”22 | G”22 | B”22 | R”23 | G”23 | B”23 | … | R”2N | G”2N | B”2N |
| R”31 | G”31 | B”31 | R”32 | G”32 | B”32 | R”33 | G”33 | B”33 | … | R”3N | G”3N | B”3N |
| … | … | … | … | … | … | … | … | … | … | … | … | … |
| R”N1 | G”N1 | B”N1 | R”N2 | G”N2 | B”N2 | R”N3 | G”N3 | B”N3 | … | R”NN | G”NN | B”NN |
The data of the image to be displayed provided to the pixel position judging sub-circuit is shown in table three, wherein the data of the image to be displayed includes position information of each sub-pixel and a gray-scale value corresponding to each sub-pixel. If the currently inputted pixel data is R in table three32、G32And B32When the gray level values corresponding to the current pixels are GrayR respectively32、GrayG32And GrayB32；
The pixel position determining sub-circuit provides the acquired position information of each sub-pixel to the compensation data selecting sub-circuit, and the compensation data sub-circuit determines the moire compensation coefficient corresponding to each sub-pixel according to the position information of each sub-pixel in the first moire compensation coefficient group corresponding to the current temperature information, and determines the moire compensation value of the corresponding sub-pixel according to the corresponding moire compensation coefficient (as shown in table four). Wherein, R in the third table32、G32And B32The moire compensation value corresponding to Table four is GrayR'32、GrayG’32And GrayB'32；
The pixel position judging sub-circuit provides the obtained positions of the sub-pixels and the corresponding gray-scale values to the compensating sub-circuit, the compensating data selecting sub-circuit provides the determined compensating coefficients to the compensating sub-circuit, and the compensating sub-circuit obtains compensated image data GrayR to be displayed according to the obtained data "32、GrayG”32And GrayB "32(as shown in table five);
the pixel position judging sub-circuit, the compensation data selecting sub-circuit and the compensation sub-circuit are matched with each other, input image data to be displayed can be compensated, the compensated image data to be displayed is provided for the organic light-emitting display panel, and a possibly generated moire phenomenon is compensated, so that the display uniformity of the organic light-emitting display panel is improved.
Optionally, in the driving apparatus of an organic light emitting display panel provided in the embodiment of the present invention, as shown in fig. 3, the compensation circuit further includes: a buffer sub-circuit 24 and a decompression sub-circuit 25;
the buffer sub-circuit 24 is configured to buffer the obtained moire compensation coefficient set and provide the buffered moire compensation coefficient set to the decompression sub-circuit 25;
the decompression sub-circuit 25 is configured to decompress the acquired moire compensation coefficient set and then supply the decompressed moire compensation coefficient set to the compensation data selection sub-circuit 21.
Specifically, in the driving apparatus of the organic light emitting display panel provided in the embodiment of the present invention, in the driving process, the set of the buffer sub-circuit may buffer the moire compensation coefficient group corresponding to the current temperature information provided by the moire compensation coefficient selection circuit, so as to facilitate the compensation data selection sub-circuit to call the moire compensation coefficient. In addition, in order to save the storage space of the moire compensation coefficient selection circuit and the cache sub-circuit, each moire compensation coefficient group is stored in a compressed form, so that the decompression sub-circuit can decompress the moire compensation coefficient groups cached in the cache sub-circuit, and the compensation data selection sub-circuit can conveniently call the moire compensation coefficients.
Optionally, in the driving apparatus of an organic light emitting display panel provided in the embodiment of the present invention, as shown in fig. 4, the driving apparatus further includes: a gamma compensation circuit 5;
the gamma compensation circuit 5 is configured to determine a corresponding relationship between a gray scale value and a register value under the current temperature information under the control of the main control circuit 1, and determine a driving voltage corresponding to each gray scale value according to the corresponding relationship between the gray scale value and the register value, and provide the driving voltage to the organic light emitting display panel 4.
Specifically, in the driving apparatus of an organic light emitting display panel provided in the embodiment of the present invention, the gamma compensation circuit obtains current temperature information provided by the main control circuit, and determines a corresponding relationship between a gray level value and a register value under the current temperature information, so as to determine a driving voltage corresponding to each gray level value, and provide the driving voltage to the organic light emitting display panel, the organic light emitting display panel drives each sub-pixel in the display panel to display according to the corresponding relationship between each gray level value and the driving voltage provided by the gamma compensation circuit, and the compensated image data to be displayed provided by the main control circuit, so as to compensate the gamma driving voltage at different temperatures, compared with the related art in which the gamma driving voltage is compensated by using a gamma setting at one temperature, the gamma compensation circuit can compensate the gamma driving voltage according to the difference of the current temperature information, the accuracy of the compensation is improved.
Alternatively, in the driving apparatus of an organic light emitting display panel provided in an embodiment of the present invention, as shown in fig. 5, the gamma compensation circuit includes: a gamma setting sub-circuit 51 and a gamma converting sub-circuit 52;
the gamma setting sub-circuit 51 is configured to determine a corresponding relationship between a gray level value and a register value according to the current temperature information provided by the main control circuit 1, a preset gamma curve, and a color coordinate of a white pixel;
the gamma conversion circuit 52 is used for providing the driving voltage corresponding to each gray scale value to the organic light emitting display panel 4 according to the corresponding relationship between the gray scale value and the register value.
Specifically, in the driving apparatus of an organic light emitting display panel provided in the embodiment of the present invention, a plurality of gamma curves and corresponding relationships between various gray-scale values and register values may be pre-stored in the gamma setting sub-circuit, and different gamma curves may be selected according to an application scenario of the display panel. After the color coordinates of the gamma curve and the white pixel are determined, the corresponding relation between the gray-scale value and the register value is adjusted according to the current temperature information, so that the corresponding relation meets the determined color coordinates of the gamma curve and the white pixel. The gamma conversion circuit determines the corresponding relation between the gray value and the driving voltage according to the determined corresponding relation between the gray value and the register value, and provides the gray value and the driving voltage for the organic light-emitting display panel. By the arrangement, the corresponding relation between different gray scale values and the driving voltage can be determined according to different current temperature information, and the accuracy of gamma compensation is improved.
Optionally, in the driving apparatus of an organic light emitting display panel provided in the embodiment of the present invention, as shown in fig. 6, the driving apparatus further includes: a temperature sensing circuit 6;
the temperature sensing circuit 6 is used for acquiring an electric signal corresponding to the current temperature, converting the electric signal into a digital signal, and calculating to obtain current temperature information.
Specifically, in the driving apparatus of an organic light emitting display panel provided in the embodiment of the present invention, as shown in fig. 7, the temperature sensing circuit 6 may specifically include: a temperature acquisition sub-circuit 61 and a temperature operator circuit 62; wherein, the temperature collecting sub-circuit 61 is used for collecting the set temperature detection signal line VacquireAnd converts the electrical signal into a digital signal, and provides the digital signal to the temperature operator circuit 62, and the temperature operator circuit 62 calculates current temperature information according to the acquired digital signal.
Specifically, in the driving apparatus of an organic light emitting display panel provided by the embodiment of the present invention, the temperature detection signal line VacquireThe circuit structure connected to the end far away from the temperature acquisition sub-circuit is shown in FIG. 8 and comprises an electric resistor R with a fixed resistance1And a temperature sensing resistor RNTCResistance RNTCWith temperature, R1One end of (A) is grounded, R1The other end of the temperature sensing circuit is connected with a temperature sensing signal line Vacquire，RNTCOne terminal of which receives a fixed voltage VCCThe other end is also connected with a temperature sensing signal line Vacquire. In the temperature detection process, the temperature sensing signal line V is detectedacquireAbove voltage and through Vacquire＝R1/(R1+RNTC)*VCCTo obtain RNTCBy the formula RNTC＝RT0EXP (Bn (1/T-1/T0)) can obtain the current temperature T.
Wherein, VCCAnd R1Is known as RNTC、RT0The resistance values at the temperature T, T0, Bn, are the material constants, respectively.
Alternatively, in the driving apparatus of an organic light emitting display panel provided in an embodiment of the present invention, as shown in fig. 9, the temperature sensing circuit includes: a plurality of temperature sensing sub-circuits 63, and each temperature sensing sub-circuit 63 is located in a different region of the organic electroluminescent display panel 4;
the temperature sensing sub-circuit 63 is configured to obtain an electrical signal corresponding to the current temperature in the corresponding region, convert the electrical signal into a digital signal, and calculate to obtain current temperature information in the region;
the moire compensation coefficient selection circuit is further used for confirming the current temperature information of the region where the moire is located according to the position information of the moire, and selecting the moire compensation coefficient group corresponding to the current temperature information region from a plurality of pre-stored moire compensation coefficient groups according to the current temperature information of the region where the moire is located;
the compensation circuit is further used for generating compensated image data to be displayed corresponding to each pixel in the area according to the image data to be displayed corresponding to each pixel in the area, the moire compensation coefficient group corresponding to the current temperature information area and the position information corresponding to each pixel in the area.
Specifically, in the driving apparatus of an organic light emitting display panel provided in the embodiment of the present invention, the temperature sensing circuit is disposed in different regions of the organic light emitting display panel, so as to detect temperatures of the different regions, so that the moire compensation coefficient selection circuit selects different moire compensation coefficient groups according to current temperature information of the different regions, and the compensation circuit compensates image data to be displayed in each region according to the corresponding moire compensation coefficient group in each region, thereby compensating each sub-pixel in the organic light emitting display panel more accurately, and improving display uniformity of the display panel.
As shown in fig. 9, the temperature sensing sub-circuit 63 may be uniformly distributed in the organic light emitting display panel 4, may be located at the gap of each sub-pixel PX, and may be in a non-uniform distribution, and is selected according to actual needs, which is not limited herein.
Optionally, in the driving apparatus of an organic light emitting display panel provided in the embodiment of the present invention, the temperature sensing sub-circuit is located at a predetermined position of the moire pattern in a front projection of the organic light emitting display panel.
Specifically, in the driving apparatus for an organic light emitting display panel provided in the embodiment of the present invention, before the setting position of the temperature sensing sub-circuit is determined, the organic light emitting display panel may be detected, after the same gray scale is input, the position of the moire pattern is determined by taking a picture, the position of the temperature sensing sub-circuit is determined according to the position of the moire pattern, the temperature sensing sub-circuit may be set in the orthographic projection of the region where the moire pattern is located on the organic light emitting display panel, the temperature at the position where the moire pattern is generated may be detected more specifically, and each sub-pixel in the region where the moire pattern is located may be compensated specifically.
Optionally, in the driving apparatus of an organic light emitting display panel provided in the embodiment of the present invention, the moire compensation coefficient selection circuit is further configured to determine temperature information of an area where the moire is located according to the position information of the moire, and specifically includes:
selecting a test panel before delivery, and detecting the temperature of each area in the test panel;
drawing an isotherm of the organic light-emitting display panel according to the temperature corresponding to each region;
and calculating the current temperature information of the region where the moire fringes are located according to the region where the temperature sensing sub-circuit is located, the region where the moire fringes are located and the isotherm.
Specifically, in the driving apparatus for an organic light emitting display panel provided in the embodiment of the present invention, before the organic light emitting display panel leaves the factory, a test panel may be selected, the temperature of each region in the test panel may be detected, an isotherm of the organic light emitting display panel may be drawn according to the temperature corresponding to each region, and the current temperature information of the region where the moire fringes are located may be calculated according to the region where the temperature sensing sub-circuit is located, the position of the region where the moire is located, and the isotherm. The temperature sensing sub-circuit can be used for solving the problem that the temperature of the region where the moire fringes are located cannot be accurately obtained due to the fact that the distance between the region where the temperature sensing sub-circuit is located and the region where the moire fringes are located is long. Namely, the current temperature of the area where the moire is located can be obtained more accurately through drawing the isotherm, so that the area can be compensated more accurately.
Each of the moire compensation coefficient groups provided in the embodiment of the present invention is obtained through a method flowchart shown in fig. 10, and a process of specifically obtaining each of the moire compensation coefficient groups is described as follows:
first, a temperature information is set, such as: a temperature node or temperature interval of 28 ℃, 30 ℃, 32 ℃ or 35 ℃ and the like;
setting a target value of gamma adjustment at a set temperature, namely setting a gamma curve required to be selected by the display panel and color coordinates of white pixels, wherein the gamma curve can be a gamma2.0 curve, a gamma2.2 curve or a gamma2.4 curve, and the color coordinates of the white pixels corresponding to different gamma curves can also have differences;
adjusting the corresponding relation between the gray-scale values and the register values according to the set gamma curve and the color coordinates of the white pixels, thereby determining the corresponding relation between each gray-scale value and the driving voltage;
judging whether the corresponding relation between each gray scale value and the driving voltage meets a set target value or not, burning a gamma register corresponding to the set temperature information when the corresponding relation meets the target value, and readjusting the corresponding relation between each gray scale value and the driving voltage until the corresponding relation meets the set target value when the corresponding relation does not meet the set target value;
after burning the corresponding gamma register, driving the display panel to display a preset test picture, and photographing the display panel;
calculating a moire compensation coefficient group corresponding to the set temperature information according to the data obtained by photographing;
writing the obtained moire compensation coefficient group and the corresponding relation between the set temperature information and the moire compensation coefficient group into a preset chip;
and judging whether writing of all the moire compensation coefficient groups corresponding to the set temperature information is finished, finishing the program when the writing of all the moire compensation coefficient groups corresponding to the set temperature information is finished, and circularly executing the steps when the writing of all the moire compensation coefficient groups corresponding to the set temperature information is not finished, resetting the next temperature information, and determining the moire compensation coefficient group corresponding to the temperature information until the writing of all the moire compensation coefficient groups corresponding to the set temperature information is finished.
Based on the same inventive concept, an embodiment of the present invention further provides a driving method of an organic light emitting display panel, as shown in fig. 11, including:
s1101, acquiring current temperature information;
s1102, according to the current temperature information, selecting a moire compensation coefficient group corresponding to the current temperature information from a plurality of pre-stored moire compensation coefficient groups;
s1103, compensating the image data to be displayed according to the moire compensation coefficient group corresponding to the current temperature information and the position information corresponding to each pixel, and providing the compensated image data to be displayed to the organic light-emitting display panel;
and S1104, displaying the image data to be displayed according to the compensated image data by the organic light-emitting display panel.
Optionally, in the driving method of an organic light emitting display panel according to an embodiment of the present invention, when a plurality of pre-stored moire compensation coefficient groups are moire compensation coefficient groups corresponding to a plurality of temperature nodes, according to the current temperature information, selecting a moire compensation coefficient group corresponding to the current temperature information from the plurality of pre-stored moire compensation coefficient groups specifically includes:
when the temperature node comprises current temperature information, determining that the moire compensation coefficient group corresponding to the temperature node is the moire compensation coefficient group corresponding to the current temperature information;
and when the temperature nodes do not comprise the current temperature information, calculating the moire compensation coefficient group corresponding to the current temperature information by a linear interpolation method according to the moire compensation coefficient groups corresponding to the two temperature nodes adjacent to the current temperature information.
Optionally, in the driving method of an organic light emitting display panel according to an embodiment of the present invention, when a plurality of pre-stored moire compensation coefficient groups are moire compensation coefficient groups corresponding to a plurality of temperature intervals, according to the current temperature information, selecting a moire compensation coefficient group corresponding to the current temperature information from the plurality of pre-stored moire compensation coefficient groups specifically includes:
and determining the cloud pattern compensation coefficient group corresponding to the temperature interval containing the current temperature information as the cloud pattern compensation coefficient group corresponding to the current temperature information.
Optionally, in the driving method of the organic light emitting display panel provided in the embodiment of the present invention, compensating image data to be displayed according to a moire compensation coefficient group corresponding to current temperature information includes:
sequentially acquiring image data of each pixel in image data to be displayed;
determining a compensation coefficient corresponding to each pixel according to the position information in the image data of each pixel and the moire compensation coefficient group corresponding to the current temperature information;
and determining the compensated image data to be displayed according to the compensation coefficient corresponding to each pixel and the image data of each pixel.
Optionally, in the method for driving an organic light emitting display panel provided in the embodiment of the present invention, the method further includes:
determining a corresponding relation between a gray-scale value and a register value according to the current temperature information, a preset gamma curve and the color coordinates of the white pixel;
determining a driving voltage corresponding to each gray scale value according to the corresponding relation between the gray scale value and the register value, and providing the driving voltage for the organic light-emitting display panel;
and the organic light-emitting display panel displays according to the compensated image data to be displayed and the driving voltage.
The driving method of the organic light emitting display panel provided by the embodiment of the present invention has all the advantages of the driving device of the organic light emitting display panel provided by the above embodiment, and the specific principles and embodiments thereof have been described in detail in the embodiment of the driving device of the organic light emitting display panel, and can be implemented by referring to the above embodiment, which is not described herein again.
Based on the same inventive concept, an embodiment of the present invention provides a display device, including: an organic light emitting display panel and a driving device of the organic light emitting display panel provided by the above embodiments.
The display device may be a mobile phone as shown in fig. 12, or may be a display device such as a notebook, a pad, a display, or a television.
Specifically, the display device has all the advantages of the driving device of the organic light emitting display panel provided in the above embodiments, and can be implemented by referring to the embodiments disclosed in the driving device of the organic light emitting display panel provided in any of the above embodiments, and details are not described herein again.
The embodiment of the invention provides a driving device, a driving method and a display device of an organic light-emitting display panel, wherein the driving device of the organic light-emitting display panel comprises the following components: the device comprises a main control circuit, a compensation circuit and a moire compensation coefficient selection circuit; the main control circuit obtains current temperature information of the display panel, controls the moire compensation coefficient selection circuit to select a moire compensation coefficient group corresponding to the current temperature information from a plurality of pre-stored moire compensation coefficient groups according to the current temperature information, compensates image data to be displayed according to the moire compensation coefficient group and position information corresponding to each pixel, and provides the compensated image data to be displayed for the main control circuit to drive the display panel to display. Through the setting of the main control circuit, the compensation circuit and the moire compensation coefficient selection circuit, the display panel displays image data to be displayed compensated according to the current temperature information, moire generated when the display panel is arranged in scenes with different temperatures can be compensated, and the display uniformity of the display panel is improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (17)
1. A driving apparatus of an organic light emitting display panel, comprising: the device comprises a main control circuit, a compensation circuit and a moire compensation coefficient selection circuit;
the main control circuit is used for acquiring current temperature information, controlling the moire compensation coefficient selection circuit to select a moire compensation coefficient group corresponding to the current temperature information according to the current temperature information, and providing compensated image data to be displayed provided by the compensation circuit to the organic light-emitting display panel;
the moire compensation coefficient selection circuit is used for selecting a moire compensation coefficient group corresponding to the current temperature information from a plurality of pre-stored moire compensation coefficient groups under the control of the main control circuit, and providing the moire compensation coefficient group for the compensation circuit; each moire compensation coefficient group comprises position information of each pixel and a compensation coefficient corresponding to the position information, and the compensation coefficients corresponding to the pixels at different positions are not completely the same;
the compensation circuit is used for acquiring image data to be displayed, compensating the image data to be displayed according to the moire compensation coefficient group corresponding to the current temperature information and the position information corresponding to each pixel, and providing the compensated image data to be displayed to the main control circuit.
2. The apparatus of claim 1, wherein when the plurality of pre-stored sets of moire compensation coefficients are sets of moire compensation coefficients corresponding to a plurality of temperature nodes, the moire compensation coefficient selection circuit is specifically configured to:
when the temperature node comprises the current temperature information, determining that a moire compensation coefficient group corresponding to the temperature node is a moire compensation coefficient group corresponding to the current temperature information;
and when the temperature nodes do not comprise the current temperature information, calculating the moire compensation coefficient group corresponding to the current temperature information by a linear interpolation method according to the moire compensation coefficient groups corresponding to the two temperature nodes adjacent to the current temperature information.
3. The apparatus of claim 1, wherein when the plurality of pre-stored sets of moire compensation coefficients are sets of moire compensation coefficients corresponding to a plurality of temperature intervals, the moire compensation coefficient selection circuit is specifically configured to:
and determining the moire compensation coefficient group corresponding to the temperature interval containing the current temperature information as the moire compensation coefficient group corresponding to the current temperature information.
4. The driving apparatus of an organic light emitting display panel according to claim 1, wherein the compensation circuit comprises: a compensation data selection sub-circuit, a pixel position judgment sub-circuit and a compensation sub-circuit;
the pixel position judging sub-circuit is used for sequentially acquiring image data corresponding to each pixel in the image data to be displayed, providing the image data corresponding to the pixel to the compensation sub-circuit, and providing position information in the image data corresponding to the pixel to the compensation data selecting sub-circuit; the image data corresponding to each pixel comprises the position information of the pixel, the position information of each color sub-pixel in the pixel and a gray-scale value corresponding to each color sub-pixel;
the compensation data selection sub-circuit is used for determining a compensation coefficient corresponding to each pixel according to the moire compensation coefficient group corresponding to the current temperature information and the position information of the pixel, and providing the compensation coefficient corresponding to each pixel to the compensation sub-circuit; the compensation coefficient corresponding to the pixel comprises a compensation coefficient corresponding to each sub-pixel in the pixel;
the compensation sub-circuit is used for generating compensated image data to be displayed according to the image data corresponding to each pixel and the compensation coefficient corresponding to each pixel.
5. The driving apparatus of an organic light emitting display panel according to claim 4, wherein the compensation circuit further comprises: a cache sub-circuit and a decompression sub-circuit;
the cache sub-circuit is configured to cache the obtained moire compensation coefficient set and provide the cached moire compensation coefficient set to the decompression sub-circuit;
the decompression sub-circuit is used for decompressing the acquired moire compensation coefficient group and then providing the decompressed moire compensation coefficient group to the compensation data selection sub-circuit.
6. The driving apparatus of an organic light emitting display panel according to claim 1, wherein the driving apparatus further comprises: a gamma compensation circuit;
the gamma compensation circuit is used for determining the corresponding relation between the gray scale value and the register value under the current temperature information under the control of the main control circuit according to the current temperature information, and determining the driving voltage corresponding to each gray scale to be supplied to the organic light-emitting display panel according to the corresponding relation between the gray scale value and the register value.
7. The driving apparatus of an organic light emitting display panel according to claim 6, wherein the gamma compensation circuit comprises: a gamma setting sub-circuit and a gamma converting sub-circuit;
the gamma setting sub-circuit is used for determining the corresponding relation between a gray value and a register value according to the current temperature information provided by the main control circuit, a preset gamma curve and the color coordinate of the white pixel;
the gamma conversion circuit is used for providing driving voltage corresponding to each gray-scale value for the organic light-emitting display panel according to the corresponding relation between the gray-scale values and the register values.
8. The driving apparatus of an organic light emitting display panel according to any one of claims 1 to 7, wherein the driving apparatus further comprises: a temperature sensing circuit;
the temperature sensing circuit is used for acquiring an electric signal corresponding to the current temperature, converting the electric signal into a digital signal and then calculating to obtain the current temperature information.
9. The driving apparatus of the organic light emitting display panel according to claim 8, wherein the temperature sensing circuit comprises: a plurality of temperature sensing sub-circuits, wherein each temperature sensing sub-circuit is positioned in a different area of the organic electroluminescent display panel;
the temperature sensing sub-circuit is used for acquiring an electric signal corresponding to the current temperature in a corresponding area, converting the electric signal into a digital signal and then calculating to obtain the current temperature information in the area;
the moire compensation coefficient selection circuit is further used for confirming current temperature information of an area where the moire is located according to the position information of the moire, and selecting a moire compensation coefficient group corresponding to the area where the current temperature information is located from a plurality of pre-stored moire compensation coefficient groups according to the current temperature information in the area where the moire is located;
the compensation circuit is further configured to generate compensated image data to be displayed corresponding to each pixel in the region according to image data to be displayed corresponding to each pixel in the region, the moire compensation coefficient group corresponding to the region in the current temperature information, and the position information corresponding to each pixel in the region.
10. The apparatus of claim 8, wherein the temperature sensing sub-circuit is located at a predetermined position of the moire pattern in a front projection of the organic light emitting display panel.
11. The apparatus for driving an organic light emitting display panel according to claim 8, wherein the moire compensation factor selection circuit is further configured to determine temperature information of an area where the moire is located according to the position information of the moire, and specifically comprises:
selecting a test panel before delivery, and detecting the temperature of each area in the test panel;
drawing an isotherm of the organic light-emitting display panel according to the temperature corresponding to each region;
and calculating the current temperature information of the area where the moire fringes are located according to the area where the temperature sensing sub-circuit is located, the area where the moire fringes are located and the isothermal line.
12. A driving method of the organic light emitting display panel according to any one of claims 1 to 11, comprising:
acquiring current temperature information;
according to the current temperature information, selecting a moire compensation coefficient group corresponding to the current temperature information from a plurality of pre-stored moire compensation coefficient groups;
compensating image data to be displayed according to the moire compensation coefficient group corresponding to the current temperature information and the position information corresponding to each pixel, and providing the compensated image data to be displayed for the organic light-emitting display panel;
and the organic light-emitting display panel displays according to the compensated image data to be displayed.
13. The method according to claim 12, wherein when the plurality of pre-stored sets of moire compensation coefficients are corresponding sets of moire compensation coefficients to a plurality of temperature nodes, the selecting, according to the current temperature information, a set of moire compensation coefficients corresponding to the current temperature information from the plurality of pre-stored sets of moire compensation coefficients specifically comprises:
when the temperature node comprises the current temperature information, determining that a moire compensation coefficient group corresponding to the temperature node is a moire compensation coefficient group corresponding to the current temperature information;
and when the temperature nodes do not comprise the current temperature information, calculating the moire compensation coefficient group corresponding to the current temperature information by a linear interpolation method according to the moire compensation coefficient groups corresponding to the two temperature nodes adjacent to the current temperature information.
14. The method according to claim 12, wherein when the plurality of pre-stored sets of moire compensation coefficients are sets of moire compensation coefficients corresponding to a plurality of temperature intervals, the selecting, according to the current temperature information, a set of moire compensation coefficients corresponding to the current temperature information from the plurality of pre-stored sets of moire compensation coefficients specifically comprises:
and determining the moire compensation coefficient group corresponding to the temperature interval containing the current temperature information as the moire compensation coefficient group corresponding to the current temperature information.
15. The method for driving an organic light-emitting display panel according to claim 12, wherein the compensating the image data to be displayed according to the set of moire compensation coefficients corresponding to the current temperature information specifically comprises:
sequentially acquiring image data of each pixel in the image data to be displayed;
determining a compensation coefficient corresponding to each pixel according to position information in image data of each pixel and a moire compensation coefficient group corresponding to the current temperature information;
and determining the compensated image data to be displayed according to the compensation coefficient corresponding to each pixel and the image data of each pixel.
16. The method of driving an organic light emitting display panel according to claim 12, wherein the method further comprises:
determining a corresponding relation between a gray-scale value and a register value according to the current temperature information, a preset gamma curve and the color coordinates of the white pixel;
determining a driving voltage corresponding to each gray scale value according to the corresponding relation between the gray scale values and the register value, and providing the driving voltage for the organic light-emitting display panel;
and the organic light-emitting display panel displays according to the compensated image data to be displayed and the driving voltage.
17. A display device, comprising: an organic light emitting display panel, and a driving apparatus of the organic light emitting display panel as claimed in any one of claims 1 to 11.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113380151A (en) * | 2021-06-09 | 2021-09-10 | 京东方科技集团股份有限公司 | Picture compensation method and device, display panel and storage medium |
| CN113470579A (en) * | 2021-07-01 | 2021-10-01 | 合肥维信诺科技有限公司 | Display device, driving method, storage medium, and terminal |
| CN114495849A (en) * | 2020-10-23 | 2022-05-13 | 华硕电脑股份有限公司 | Electronic device and display image compensation method thereof |
| WO2024001496A1 (en) * | 2022-06-30 | 2024-01-04 | 京东方科技集团股份有限公司 | Display method and apparatus for tiled display screen, computer device, and storage medium |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1573451A (en) * | 2003-06-10 | 2005-02-02 | 三星电子株式会社 | Image data compensation device and method and display system employing the same |
| CN1746962A (en) * | 2004-09-08 | 2006-03-15 | 三星电子株式会社 | Display device and driving method thereof and drive unit |
| US8269716B2 (en) * | 2008-12-17 | 2012-09-18 | Getac Technology Corporation | Liquid crystal display and overheat protection method thereof |
| CN102954405A (en) * | 2011-08-11 | 2013-03-06 | 夏普株式会社 | Illumination device and display device including the same |
| US20130342431A1 (en) * | 2012-06-25 | 2013-12-26 | Apple Inc. | Systems and Methods for Calibrating a Display to Reduce or Eliminate Mura Artifacts |
| CN103493123A (en) * | 2011-04-14 | 2014-01-01 | 造型逻辑有限公司 | Display systems |
| CN104299563A (en) * | 2014-09-05 | 2015-01-21 | 青岛海信电器股份有限公司 | Luminance compensation method and self-illumination display device |
| CN105632449A (en) * | 2016-04-06 | 2016-06-01 | 京东方科技集团股份有限公司 | Display panel gamma voltage regulation method and device |
| CN105679265A (en) * | 2016-03-08 | 2016-06-15 | 京东方科技集团股份有限公司 | Panel compensation device and method |
| TWI633476B (en) * | 2017-12-25 | 2018-08-21 | 英屬開曼群島商敦泰電子有限公司 | Touch display device and control method thereof |
| CN108831381A (en) * | 2018-06-25 | 2018-11-16 | 深圳市华星光电半导体显示技术有限公司 | Show data alignment system and display data adjustment method |
-
2019
- 2019-11-29 CN CN201911205503.1A patent/CN110853580A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1573451A (en) * | 2003-06-10 | 2005-02-02 | 三星电子株式会社 | Image data compensation device and method and display system employing the same |
| CN1746962A (en) * | 2004-09-08 | 2006-03-15 | 三星电子株式会社 | Display device and driving method thereof and drive unit |
| US8269716B2 (en) * | 2008-12-17 | 2012-09-18 | Getac Technology Corporation | Liquid crystal display and overheat protection method thereof |
| CN103493123A (en) * | 2011-04-14 | 2014-01-01 | 造型逻辑有限公司 | Display systems |
| CN102954405A (en) * | 2011-08-11 | 2013-03-06 | 夏普株式会社 | Illumination device and display device including the same |
| US20130342431A1 (en) * | 2012-06-25 | 2013-12-26 | Apple Inc. | Systems and Methods for Calibrating a Display to Reduce or Eliminate Mura Artifacts |
| CN104299563A (en) * | 2014-09-05 | 2015-01-21 | 青岛海信电器股份有限公司 | Luminance compensation method and self-illumination display device |
| CN105679265A (en) * | 2016-03-08 | 2016-06-15 | 京东方科技集团股份有限公司 | Panel compensation device and method |
| CN105632449A (en) * | 2016-04-06 | 2016-06-01 | 京东方科技集团股份有限公司 | Display panel gamma voltage regulation method and device |
| TWI633476B (en) * | 2017-12-25 | 2018-08-21 | 英屬開曼群島商敦泰電子有限公司 | Touch display device and control method thereof |
| CN108831381A (en) * | 2018-06-25 | 2018-11-16 | 深圳市华星光电半导体显示技术有限公司 | Show data alignment system and display data adjustment method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114495849A (en) * | 2020-10-23 | 2022-05-13 | 华硕电脑股份有限公司 | Electronic device and display image compensation method thereof |
| CN113380151A (en) * | 2021-06-09 | 2021-09-10 | 京东方科技集团股份有限公司 | Picture compensation method and device, display panel and storage medium |
| CN113380151B (en) * | 2021-06-09 | 2023-08-08 | 京东方科技集团股份有限公司 | Picture compensation method and device, display panel and storage medium |
| CN113470579A (en) * | 2021-07-01 | 2021-10-01 | 合肥维信诺科技有限公司 | Display device, driving method, storage medium, and terminal |
| CN113470579B (en) * | 2021-07-01 | 2022-10-21 | 合肥维信诺科技有限公司 | Display device, driving method, storage medium, and terminal |
| WO2024001496A1 (en) * | 2022-06-30 | 2024-01-04 | 京东方科技集团股份有限公司 | Display method and apparatus for tiled display screen, computer device, and storage medium |
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Application publication date: 20200228 |
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| RJ01 | Rejection of invention patent application after publication |