CN114078418A - Display control method, display control module and display device - Google Patents

Display control method, display control module and display device Download PDF

Info

Publication number
CN114078418A
CN114078418A CN202111412036.7A CN202111412036A CN114078418A CN 114078418 A CN114078418 A CN 114078418A CN 202111412036 A CN202111412036 A CN 202111412036A CN 114078418 A CN114078418 A CN 114078418A
Authority
CN
China
Prior art keywords
data voltage
display
data signal
detection circuit
display control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202111412036.7A
Other languages
Chinese (zh)
Other versions
CN114078418B (en
Inventor
张斌
王畅
左堃
张家祥
李新
王明强
鞠亮亮
徐仁哲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BOE Technology Group Co Ltd, Chengdu BOE Optoelectronics Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to CN202111412036.7A priority Critical patent/CN114078418B/en
Publication of CN114078418A publication Critical patent/CN114078418A/en
Application granted granted Critical
Publication of CN114078418B publication Critical patent/CN114078418B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • 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
    • 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
    • G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
    • 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
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/066—Adjustment of display parameters for control of contrast
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/12—Test circuits or failure detection circuits included in a display system, as permanent part thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

The invention provides a display control method, a display control module and a display device. The display control method is applied to a display panel and comprises the following steps: the method comprises the steps that a detection circuit obtains a data signal corresponding to a picture to be displayed and detects whether a data voltage corresponding to a low gray level exists in the data signal or not; when the detection circuit detects that a data voltage corresponding to a low gray level exists in the data signal and corresponds to a first gray level value, the adjusting circuit adjusts the data voltage so that the adjusted data voltage corresponds to a second gray level value and provides the adjusted data voltage to the display panel; the second gray scale value is smaller than the first gray scale value. The invention can improve the display image quality and the display product competitiveness on the premise of not changing the conventional pixel arrangement mode.

Description

Display control method, display control module and display device
Technical Field
The invention relates to the technical field of display, in particular to a display control method, a display control module and a display device.
Background
In the related art, the GGRB pixel arrangement and some other pixel arrangements have low readability (sharpness) when displaying very small and complex pictures. The readability is improved by changing different pixel arrangement modes, the display image quality cannot be improved on the premise of not changing the pixel arrangement modes, and the solution is complex.
Disclosure of Invention
The present invention provides a display control method, a display control module and a display device, which solve the problem that the display quality cannot be improved without changing the pixel arrangement in the prior art.
In order to achieve the above object, an embodiment of the present invention provides a display control method applied to a display panel, where the display control method includes:
the method comprises the steps that a detection circuit obtains a data signal corresponding to a picture to be displayed and detects whether a data voltage corresponding to a low gray level exists in the data signal or not;
when the detection circuit detects that a data voltage corresponding to a low gray level exists in the data signal and corresponds to a first gray level value, the adjusting circuit adjusts the data voltage so that the adjusted data voltage corresponds to a second gray level value and provides the adjusted data voltage to the display panel;
the second gray scale value is smaller than the first gray scale value.
Optionally, the display control method according to at least one embodiment of the present invention further includes: the detection circuit directly supplies data voltages, other than the data voltage corresponding to the low gray scale, included in the data signal to the display panel.
Optionally, the display control method according to at least one embodiment of the present invention further includes:
when the detection circuit detects that the data voltage corresponding to a low gray scale does not exist in the data signal, the detection circuit directly supplies the data signal to the display panel.
Optionally, when the total number of gray scales is a, the first gray scale value is less than or equal to axb;
a is a positive integer and B is a positive number; b is 0.02 or more and 0.05 or less.
The embodiment of the invention also provides a display control module which is applied to the display panel and comprises a detection circuit and an adjusting circuit;
the detection circuit is used for acquiring a data signal corresponding to a picture to be displayed, detecting whether a data voltage corresponding to a low gray level exists in the data signal or not, and providing an adjusting control signal for the adjusting circuit when the data voltage corresponding to the low gray level exists in the data signal and is detected to correspond to a first gray level value;
the adjusting circuit is used for adjusting the data voltage after receiving the adjusting control signal so that the adjusted data voltage corresponds to a second gray scale value and providing the adjusted data voltage to the display panel;
the second gray scale value is smaller than the first gray scale value.
Optionally, the detection circuit is further configured to directly supply data voltages, which are included in the data signal and are other than the data voltage corresponding to the low gray scale, to the display panel.
Optionally, the detection circuit is further configured to directly provide the data signal to the display panel when detecting that the data voltage corresponding to the low gray scale is not present in the data signal.
Optionally, the display control module according to at least one embodiment of the present invention further includes a display driving integrated circuit;
the detection circuit and the adjustment circuit are arranged in the display driving integrated circuit.
Optionally, the display control module according to at least one embodiment of the present invention further includes a host end;
the host end is used for providing the data signal corresponding to the picture to be displayed to the detection circuit.
The embodiment of the invention also provides a display device which comprises a display panel and the display control module.
The embodiment of the invention also provides a display device which comprises a display panel and the display control module.
According to the display control method, the display control module and the display device, when the detection circuit detects that the data voltage corresponding to the low gray scale exists in the data signal corresponding to the picture to be displayed, the gray scale value corresponding to the data voltage can be controlled to be reduced, so that the brightness of the corresponding position is reduced, the display contrast of the corresponding display area is improved, the readability problem of small fonts is improved by improving the contrast of the display picture in the detail display area, and the display picture quality and the display product competitiveness can be improved on the premise of not changing the existing pixel arrangement mode.
Drawings
Fig. 1 is a flowchart of a display control method according to an embodiment of the present invention;
fig. 2 shows a Gamma curve in the prior art and a Gamma curve after the display control method according to the embodiment of the present invention is applied;
FIG. 3 is a flow chart of a display control method according to at least one embodiment of the invention;
FIG. 4 is a schematic diagram of a plurality of pixel units employing a GGRB pixel arrangement;
FIG. 5 is a block diagram of a display control module according to at least one embodiment of the invention;
FIG. 6 is a block diagram of a display control module according to at least one embodiment of the invention;
fig. 7A is a display screen to which the display control method and the display control module according to the embodiment of the present invention are applied;
fig. 7B is a display screen to which the display control method and the display control module according to the embodiment of the present invention are not applied.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
The transistors used in all embodiments of the present invention may be transistors, thin film transistors, or field effect transistors or other devices with the same characteristics. In the embodiment of the present invention, in order to distinguish two poles of the transistor except the control pole, one pole is called a first pole, and the other pole is called a second pole.
In practical operation, when the transistor is a thin film transistor or a field effect transistor, the first electrode may be a drain electrode, and the second electrode may be a source electrode; alternatively, the first pole may be a source and the second pole may be a drain.
The display control method according to the embodiment of the present invention is applied to a display panel, and as shown in fig. 1, the display control method includes:
s1: the method comprises the steps that a detection circuit obtains a data signal corresponding to a picture to be displayed and detects whether a data voltage corresponding to a low gray level exists in the data signal or not;
s2: when the detection circuit detects that a data voltage corresponding to a low gray level exists in the data signal and corresponds to a first gray level value, the adjusting circuit adjusts the data voltage so that the adjusted data voltage corresponds to a second gray level value and provides the adjusted data voltage to the display panel;
the second gray scale value is smaller than the first gray scale value.
In at least one embodiment of the present invention, the to-be-displayed image may include to-be-displayed images or to-be-displayed fonts, but is not limited thereto.
In the related art, when some pixel arrangement is adopted (for example, the pixel arrangement may be, but is not limited to, a GGRB arrangement), when a very small or complex picture (the picture may include a picture or a font) is displayed, readability (definition) is low, and some low-grayscale information may exist at the edge of the displayed picture or the displayed font, which may result in unclear edge of the displayed picture and unclear strokes of the displayed font. Based on this, when the detection circuit detects that the data voltage corresponding to the low gray scale exists in the data signal corresponding to the picture to be displayed, the embodiment of the invention can control and reduce the gray scale value corresponding to the data voltage to reduce the brightness of the corresponding position and improve the display contrast of the corresponding display area, and can improve the readability of small fonts by improving the contrast of the display picture in the detail display area, and can improve the display image quality and the display product competitiveness on the premise of not changing the existing pixel arrangement mode.
In at least one embodiment of the present invention, when the detection circuit detects that a data voltage corresponding to a low gray level (the data voltage corresponds to a first gray level value) exists in the data signal, the adjustment circuit adjusts the data voltage such that the adjusted data voltage corresponds to a second gray level value, and the second gray level value is smaller than the first gray level value.
In at least one embodiment of the present invention, the difference between the first gray scale value and the second gray scale value can be selected according to actual conditions. In a specific implementation, the amplitude of the gray-scale value adjusted by the adjusting circuit can be determined through debugging so as to adjust the degree of brightness reduction correspondingly. In particular implementations, the amplitude may be adjusted according to the particular display panel effect and requirements.
In at least one embodiment of the present invention, the first gray scale value is a positive integer, and the second gray scale value is 0 or a positive integer.
Optionally, when the total number of gray scales is a, the first gray scale value is less than or equal to axb;
a is a positive integer and B is a positive number; b is 0.02 or more and 0.05 or less, and for example, B may be 0.02, 0.03, 0.04, or 0.05, but not limited thereto.
According to a specific embodiment, when a is equal to 256, when a corresponding first gray scale value of the data voltage is less than or equal to 256 × 0.03 (the first gray scale value is a positive integer), for example, when the first gray scale value is 0, 1, 2, 3, 4, 5, 6, or 7, the data voltage is a data voltage corresponding to a low gray scale;
when the detection circuit detects that a data voltage corresponding to a low gray level exists in the data signal and the first gray level value corresponding to the data voltage is 6, the adjustment circuit may adjust the data voltage such that the second gray level value corresponding to the adjusted data voltage is 3, and provide the adjusted data voltage to the display panel, but not limited thereto.
According to another embodiment, when a is equal to 256, when the first gray scale value corresponding to the data voltage is less than or equal to 256 × 0.04 (the first gray scale value is a positive integer), for example, when the first gray scale value is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10, the data voltage is a data voltage corresponding to a low gray scale;
when the detection circuit detects that a data voltage corresponding to a low gray level exists in the data signal and the first gray level value corresponding to the data voltage is 3, the adjustment circuit may adjust the data voltage such that the second gray level value corresponding to the adjusted data voltage is 0, and provide the adjusted data voltage to the display panel, but not limited thereto.
According to still another embodiment, when a is equal to 256, when a corresponding first gray scale value of the data voltage is less than or equal to 256 × 0.05 (the first gray scale value is a positive integer), for example, when the first gray scale value is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, or 12, the data voltage is a data voltage corresponding to a low gray scale;
when the detection circuit detects that a data voltage corresponding to a low gray level exists in the data signal and the first gray level value corresponding to the data voltage is 10, the adjustment circuit may adjust the data voltage such that the second gray level value corresponding to the adjusted data voltage is 6, and provide the adjusted data voltage to the display panel, but not limited thereto.
According to still another embodiment, when a is equal to 256, when the first gray scale value corresponding to the data voltage is less than or equal to 256 × 0.02 (the first gray scale value is a positive integer), for example, when the first gray scale value is 0, 1, 2, 3, 4, or 5, the data voltage is the data voltage corresponding to the low gray scale;
when the detection circuit detects that a data voltage corresponding to a low gray level exists in the data signal and the first gray level value corresponding to the data voltage is 4, the adjustment circuit may adjust the data voltage such that the second gray level value corresponding to the adjusted data voltage is 1, and provide the adjusted data voltage to the display panel, but not limited thereto.
In a specific implementation, when the driving transistor in the pixel unit included in the display panel is a p-type transistor, when the gray-scale value corresponding to the data voltage is decreased, the voltage value of the corresponding data voltage may be increased;
when the driving transistor is an n-type transistor, the voltage value of the corresponding data voltage may be decreased while decreasing the gray scale value corresponding to the data voltage.
The first curve L1 in fig. 2 is a Gamma curve in the prior art, and the second curve L2 in fig. 2 is a Gamma curve after the display control method according to the embodiment of the present invention is adopted.
As shown in fig. 2, after the display control method according to the embodiment of the present invention is adopted, the brightness corresponding to the low gray scale is reduced by a predetermined amount.
As shown in fig. 2, when the detection circuit detects that the first gray-scale value corresponding to the data voltage is smaller than 9, the adjustment circuit decreases the gray-scale value corresponding to the data voltage to decrease the brightness. For example, when the first gray scale value is 1, 2, 3, or 4, the adjusting circuit may control the second gray scale value to be 0.
In fig. 2, the horizontal axis represents the Gray level Gray and the vertical axis represents the luminance LV.
Optionally, the display control method according to at least one embodiment of the present invention further includes: the detection circuit directly supplies data voltages, other than the data voltage corresponding to the low gray scale, included in the data signal to the display panel.
In an implementation, the detection circuit may directly supply the data voltage included in the data signal, except for the data voltage corresponding to the low gray scale, to the display panel without adjusting the data voltage included in the data signal, except for the data voltage corresponding to the low gray scale.
In at least one embodiment of the present invention, the display control method further includes:
when the detection circuit detects that the data voltage corresponding to a low gray scale does not exist in the data signal, the detection circuit directly supplies the data signal to the display panel.
In a specific implementation, when the detection circuit detects that the data voltage corresponding to the low gray scale does not exist in the data signal, the data signal is directly provided to the display panel without adjusting the data voltage, so that the display panel performs display according to the data signal.
In at least one embodiment of the present invention, the detecting circuit and the adjusting circuit may be integrated in a display driver ic, the host provides the data signal corresponding to the frame to be displayed to the display driver ic, the display driver ic receives the data signal and then analyzes the low gray scale information therein, and if the data signal is detected to have a data voltage corresponding to the low gray scale, the gray scale value corresponding to the data voltage is reduced to reduce the display brightness at the corresponding location; and if the data signal is detected to have no data voltage corresponding to the low gray scale, directly providing the data signal to the display panel.
As shown in fig. 3, a display control method according to at least one embodiment of the present invention may include:
the host end provides the data signal corresponding to the picture to be displayed to a detection circuit in the display drive integrated circuit, and the detection circuit receives the data signal corresponding to the picture to be displayed;
the detection circuit detects whether a data voltage corresponding to a low gray scale exists in the data signal;
when the detection circuit detects that a data voltage corresponding to a low gray level exists in the data signal and corresponds to a first gray level value, the adjustment circuit in the display driving integrated circuit adjusts the data voltage so that the adjusted data voltage corresponds to a second gray level value and provides the adjusted data voltage to the display panel to reduce the display brightness of a corresponding position, and the detection circuit directly provides the data voltage, except the data voltage corresponding to the low gray level, included in the data signal to the display panel;
when the detection circuit detects that the data voltage corresponding to the low gray scale does not exist in the data signal, the detection circuit directly provides the data signal to the display panel;
the second gray scale value is smaller than the first gray scale value.
Fig. 4 is a schematic diagram of a GGRB pixel arrangement.
In fig. 4, a red pixel cell is denoted by P1, a green pixel cell is denoted by P2, and a blue pixel cell is denoted by P3.
When the pixel units included in the display panel are arranged in the GGRB pixel arrangement manner, the zigzag curve may cause unclear display fonts when writing horizontal, vertical, left-falling, right-falling, and left-falling, and therefore the display control method and the display control module according to at least one embodiment of the present invention are required to improve the definition of the display fonts. In specific implementation, when the pixel units included in the display panel are arranged in other pixel arrangement modes, the display control method and the display control module according to at least one embodiment of the present invention may be applied as long as the problem of unclear display screen occurs.
The display control module according to the embodiment of the present invention is applied to a display panel, and as shown in fig. 5, the display control module includes a detection circuit 51 and an adjustment circuit 52;
the detection circuit 51 is electrically connected with the adjusting circuit 52 and is configured to acquire a data signal corresponding to a picture to be displayed, detect whether a data voltage corresponding to a low gray level exists in the data signal, and provide an adjusting control signal to the adjusting circuit 52 when the data voltage corresponding to the low gray level exists in the data signal and is detected to correspond to a first gray level value;
the adjusting circuit 52 is configured to adjust the data voltage after receiving the adjustment control signal, so that the adjusted data voltage corresponds to a second gray scale value, and provide the adjusted data voltage to the display panel;
the second gray scale value is smaller than the first gray scale value.
In the embodiment of the present invention, when the detection circuit 51 detects that the data signal corresponding to the to-be-displayed picture has the data voltage corresponding to the low gray scale, the adjustment control signal may be provided to the adjustment circuit 52, so that the adjustment circuit 52 controls to decrease the gray scale value corresponding to the data voltage, thereby decreasing the brightness of the corresponding position, improving the display contrast of the corresponding display area, improving the readability of the small font by improving the contrast of the display picture in the detail display area, and improving the display picture quality and the display product competitiveness.
In an embodiment, the detection circuit is further configured to directly supply the data voltage included in the data signal, except for the data voltage corresponding to the low gray scale, to the display panel.
In at least one embodiment of the present invention, the detection circuit is further configured to directly provide the data signal to the display panel when detecting that the data voltage corresponding to the low gray scale is not present in the data signal.
The display control module according to at least one embodiment of the present invention may further include a display driver ic;
the detection circuit and the adjustment circuit are arranged in the display driving integrated circuit.
Optionally, the display control module according to at least one embodiment of the present invention may further include a host end;
the host end is used for providing the data signal corresponding to the picture to be displayed to the detection circuit.
As shown in fig. 6, the display control module according to at least one embodiment of the present invention includes a host 60, a display driver ic 61, and a display panel P0; the detection circuit and the adjustment circuit are integrated in the display drive integrated circuit 61;
the host 60 is electrically connected to the display driver ic 61, and is configured to provide a data signal corresponding to a picture to be displayed to a detection circuit integrated in the display driver ic 61;
the display driving integrated circuit 61 is electrically connected to the display panel P0, a detection circuit in the display driving integrated circuit 61 acquires a data signal corresponding to a picture to be displayed, detects whether a data voltage corresponding to a low gray scale exists in the data signal, and provides an adjustment control signal to an adjustment circuit in the display driving integrated circuit 61 when detecting that the data voltage corresponding to the low gray scale exists in the data signal and corresponds to a first gray scale value; the adjusting circuit in the display driving integrated circuit 61 adjusts the data voltage after receiving the adjustment control signal so that the adjusted data voltage corresponds to a second gray scale value, and supplies the adjusted data voltage to the display panel P0; the detection circuit in the display driving integrated circuit 61 directly supplies the data voltage other than the data voltage corresponding to the low gray scale included in the data signal to the display panel P0; when the detection circuit in the display driving integrated circuit 61 detects that the data voltage corresponding to the low gray scale is not present in the data signal, the data signal is directly supplied to the display panel P0.
Fig. 7A is a display screen to which the display control method and the display control module according to the embodiment of the present invention are applied, and fig. 7B is a display screen to which the display control method and the display control module according to the embodiment of the present invention are not applied. As can be seen from fig. 7A and 7B, the display screen using the display control method and the display control module according to the embodiment of the present invention is clearer.
The display device comprises a display panel and the display control module;
the display control module comprises a detection circuit and an adjusting circuit;
the detection circuit is electrically connected with the adjusting circuit and is used for acquiring a data signal corresponding to a picture to be displayed, detecting whether a data voltage corresponding to a low gray level exists in the data signal or not, and providing an adjusting control signal for the adjusting circuit when the data voltage corresponding to the low gray level exists in the data signal and corresponds to a first gray level value;
the adjusting circuit is electrically connected with the display panel and used for adjusting the data voltage after receiving the adjusting control signal so that the adjusted data voltage corresponds to a second gray scale value and providing the adjusted data voltage to the display panel;
the second gray scale value is smaller than the first gray scale value.
When the display device works, the detection circuit detects that the data voltage corresponding to the low gray scale exists in the data signal corresponding to the picture to be displayed, the adjustment circuit can be controlled to reduce the gray scale value corresponding to the data voltage, and the adjusted data voltage is provided to the display panel, so that the brightness of the corresponding position of the display panel is reduced, the display contrast of the corresponding display area of the display panel is improved, the readability problem of small fonts is improved by improving the contrast of the display picture in the detail display area, and the display picture quality and the display product competitiveness are improved.
The display device provided by the embodiment of the invention can be any product or component with a display function, such as a mobile phone, a tablet personal computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. A display control method is applied to a display panel, and is characterized by comprising the following steps:
the method comprises the steps that a detection circuit obtains a data signal corresponding to a picture to be displayed and detects whether a data voltage corresponding to a low gray level exists in the data signal or not;
when the detection circuit detects that a data voltage corresponding to a low gray level exists in the data signal and corresponds to a first gray level value, the adjusting circuit adjusts the data voltage so that the adjusted data voltage corresponds to a second gray level value and provides the adjusted data voltage to the display panel;
the second gray scale value is smaller than the first gray scale value.
2. The display control method according to claim 1, further comprising: the detection circuit directly supplies data voltages, other than the data voltage corresponding to the low gray scale, included in the data signal to the display panel.
3. The display control method according to claim 2, further comprising:
when the detection circuit detects that the data voltage corresponding to a low gray scale does not exist in the data signal, the detection circuit directly supplies the data signal to the display panel.
4. The display control method according to any one of claims 1 to 3, wherein when the total gradation number is A, the first gradation value is less than or equal to AxB;
a is a positive integer and B is a positive number; b is 0.02 or more and 0.05 or less.
5. A display control module is applied to a display panel and is characterized by comprising a detection circuit and an adjusting circuit;
the detection circuit is used for acquiring a data signal corresponding to a picture to be displayed, detecting whether a data voltage corresponding to a low gray level exists in the data signal or not, and providing an adjusting control signal for the adjusting circuit when the data voltage corresponding to the low gray level exists in the data signal and is detected to correspond to a first gray level value;
the adjusting circuit is used for adjusting the data voltage after receiving the adjusting control signal so that the adjusted data voltage corresponds to a second gray scale value and providing the adjusted data voltage to the display panel;
the second gray scale value is smaller than the first gray scale value.
6. The display control module of claim 5, wherein the detection circuit is further configured to directly supply a data voltage included in the data signal other than the data voltage corresponding to the low gradation to the display panel.
7. The display control module of claim 6, wherein the detection circuit is further configured to directly provide the data signal to the display panel when detecting that the data voltage corresponding to a low gray level is not present in the data signal.
8. The display control module of claim 7, further comprising a display driver integrated circuit;
the detection circuit and the adjustment circuit are arranged in the display driving integrated circuit.
9. The display control module of any one of claims 5 to 8, further comprising a host end;
the host end is used for providing the data signal corresponding to the picture to be displayed to the detection circuit.
10. A display device comprising a display panel and a display control module according to any one of claims 6 to 9.
CN202111412036.7A 2021-11-25 2021-11-25 Display control method, display control module and display device Active CN114078418B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111412036.7A CN114078418B (en) 2021-11-25 2021-11-25 Display control method, display control module and display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111412036.7A CN114078418B (en) 2021-11-25 2021-11-25 Display control method, display control module and display device

Publications (2)

Publication Number Publication Date
CN114078418A true CN114078418A (en) 2022-02-22
CN114078418B CN114078418B (en) 2023-12-05

Family

ID=80284271

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111412036.7A Active CN114078418B (en) 2021-11-25 2021-11-25 Display control method, display control module and display device

Country Status (1)

Country Link
CN (1) CN114078418B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080084150A (en) * 2007-03-15 2008-09-19 엘지디스플레이 주식회사 Driving circuit for liquid crystal display device and method for driving the same
CN101989401A (en) * 2009-07-31 2011-03-23 晨星软件研发(深圳)有限公司 Time schedule controller for display device and relevant method thereof
US20180174516A1 (en) * 2016-12-21 2018-06-21 Lg Display Co., Ltd. Display device and driving method thereof
CN110021265A (en) * 2019-04-26 2019-07-16 上海天马微电子有限公司 Pixel circuit and driving method thereof, display device and driving method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080084150A (en) * 2007-03-15 2008-09-19 엘지디스플레이 주식회사 Driving circuit for liquid crystal display device and method for driving the same
CN101989401A (en) * 2009-07-31 2011-03-23 晨星软件研发(深圳)有限公司 Time schedule controller for display device and relevant method thereof
US20180174516A1 (en) * 2016-12-21 2018-06-21 Lg Display Co., Ltd. Display device and driving method thereof
CN110021265A (en) * 2019-04-26 2019-07-16 上海天马微电子有限公司 Pixel circuit and driving method thereof, display device and driving method

Also Published As

Publication number Publication date
CN114078418B (en) 2023-12-05

Similar Documents

Publication Publication Date Title
US9697758B2 (en) Control device, display device, and display device control method
CN109658900B (en) Driving method, compensation circuit and driving device of display panel and display device
US10262569B2 (en) Control device, display device configured to adjust the grayscale of a displayed image in which flicker is easily recognizable, and method for controlling display device
KR100739735B1 (en) Method for driving the LCD display and apparatus thereof
KR100896377B1 (en) Electro-optical device and electronic apparatus
US10971100B2 (en) Pixel driving circuit, display panel having the pixel driving circuit and driving method of display panel
US20110148947A1 (en) Display device and method for driving same
CN110085189B (en) Display substrate, display device and picture display method
CN110085173B (en) Driving method of display panel, driving chip and display device
KR101287202B1 (en) Image display device
US20190325830A1 (en) Display control method and apparatus, computer readable storage medium, and computer device
CN103310750B (en) Signal processing apparatus, liquid-crystal apparatus, electronic equipment and signal processing method
JP6199062B2 (en) Display device and display method
CN108694922B (en) Common voltage driving method and device and display device
CN116524871B (en) Driving method, driving device, display device and electronic equipment
CN111933081B (en) Display control method, display control module and display device
JPH11265172A (en) Display device and liquid crystal display device
US20110254850A1 (en) Image processing apparatus, display system, electronic apparatus and method of processing image
KR20030013933A (en) Driving method of liquid crystal display panel
CN114078418B (en) Display control method, display control module and display device
US20100295867A1 (en) Liquid crystal display for reducing motion blur
CN113160767B (en) Display compensation method and device and display panel
US20080024423A1 (en) Method and device for driving liquid crystal display panel, and liquid crystal display device using same
KR101408254B1 (en) Response time improvement apparatus and method for liquid crystal display device
CN114078425A (en) Control device, display device, control method, and computer-readable recording medium

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant