A liquid crystal display panel and its control device

Abstract

This application relates to the field of displays, providing a liquid crystal display panel, a control method and apparatus for the liquid crystal display panel, and the liquid crystal display panel further including an array substrate, a liquid crystal layer, and a color filter substrate. The liquid crystal display panel includes multiple pixel areas arranged in an array, with each pixel area being a main pixel area and a sub-pixel area. During display, the initial alignment angles of the liquid crystal media in the liquid crystal layers corresponding to the main pixel areas and the sub-pixel areas are different, so that under the same driving voltage, the rotation start-up voltages of the main pixels in the main pixel areas and the sub-pixels in the sub-pixel areas are different. This method can, under the same driving voltage, make the rotation start-up voltages of the main pixels in the main pixel areas and the sub-pixel areas different, thereby aligning the liquid crystal media in the main pixel areas and the liquid crystal media in the sub-pixel areas along different rotation angles. Without increasing product cost, this optimizes the viewing angle of the liquid crystal display panel and improves the refresh rate of the product.

Description

Technical Field

[0001] This application belongs to the field of display technology, and in particular relates to a liquid crystal display panel and its control device. Background Technology

[0002] Liquid crystal displays (LCDs) have many advantages such as energy saving, no radiation, and long service life, and have been widely used in the industry. Among them, the liquid crystal display panel is an important component of LCDs and directly affects the quality of LCDs.

[0003] Currently, due to increasing customer demand, some LCD monitors require higher refresh rates to achieve screen switching. Therefore, how to achieve higher refresh rates for LCD monitors is a problem that urgently needs to be solved.

[0004] However, existing LCD panels typically use thicker metal or lower-resistance metal to reduce load and achieve high-frequency performance. But this approach results in poor viewing angles when the user tilts their head to look at the LCD, and also increases product costs. Summary of the Invention

[0005] This application provides a liquid crystal display panel, a method and apparatus for controlling the liquid crystal display panel, which can optimize the viewing angle of the liquid crystal display panel and improve the refresh rate of the product without increasing the product cost.

[0006] In a first aspect, embodiments of this application provide a liquid crystal display panel, including an array substrate, a liquid crystal layer, and a color filter substrate. The liquid crystal display panel also includes a plurality of pixel regions arranged in an array. The pixel regions are main pixel regions and sub-pixel regions. During display, the initial arrangement angle of the liquid crystal media in the liquid crystal layers corresponding to the main pixel regions and the sub-pixel regions is different, so that under the same driving voltage, the rotation start voltage of the main pixels in the main pixel regions and the sub-pixels in the sub-pixel regions is different.

[0007] In some embodiments, the array substrate is provided with pixel electrodes corresponding to the pixel area. The pixel electrodes are divided into main pixel electrodes and first pixel electrodes, which are respectively disposed in the main pixel area and the sub-pixel area. The main pixel electrodes and the first pixel electrodes are electrically connected to the data line through thin film transistor switches. A second pixel electrode is also disposed below the position corresponding to the first pixel electrode.

[0008] Secondly, embodiments of this application provide a control method for a liquid crystal display panel as described in any of the first aspects, comprising:

[0009] During the process of displaying images on the liquid crystal display panel, the target voltage applied to the second pixel electrode is controlled according to the first initial alignment angle of the liquid crystal medium in the main pixel area and the second initial alignment angle of the liquid crystal medium in the sub-pixel area.

[0010] By inputting the same driving voltage to the first main pixel electrode and the first pixel electrode through the data line, the rotation start voltage of the main pixel in the main pixel area is different from that of the secondary pixel in the secondary pixel area, thereby arranging the liquid crystal medium in the main pixel area and the liquid crystal medium in the secondary pixel area along different rotation angles.

[0011] In some embodiments, controlling the target voltage applied to the second pixel electrode based on a first initial alignment angle of the liquid crystal medium in the main pixel region and a second initial alignment angle of the liquid crystal medium in the sub-pixel region includes:

[0012] The detection result is obtained by checking whether the first initial arrangement angle and the second initial arrangement angle are equal.

[0013] The target voltage applied to the second pixel electrode is controlled based on the detection results.

[0014] In some embodiments, controlling the target voltage applied to the second pixel electrode based on the detection result includes:

[0015] If the first initial arrangement angle is detected to be equal to the second initial arrangement angle, then the voltage value of the control target voltage will not be zero.

[0016] In some embodiments, controlling the target voltage applied to the second pixel electrode based on the detection result includes:

[0017] If the first initial arrangement angle is not equal to the second initial arrangement angle, the voltage value of the control target voltage is zero.

[0018] In some embodiments, before controlling the target voltage to zero, the method further includes:

[0019] During the alignment process of the liquid crystal display panel, according to the alignment angle requirements, a first alignment voltage is input to the main pixel electrode and the first pixel electrode, and a second alignment voltage is input to the second pixel electrode, so that after the main and secondary pixels are aligned, the first initial alignment angle and the second initial alignment angle are not equal, wherein the voltage value of the second alignment voltage is not zero.

[0020] In some embodiments, the first initial alignment angle and the second initial alignment angle are not equal after the primary and secondary pixels are aligned, including:

[0021] The liquid crystal medium in the main pixel area is deflected at an angle based on the first alignment voltage, and the liquid crystal medium in the sub-pixel area is deflected at an angle based on the first alignment voltage and the second alignment voltage.

[0022] By irradiating the deflected liquid crystal medium with ultraviolet light, the deflection angle of the deflected liquid crystal medium is solidified, so that after the primary and secondary pixels are aligned, the first initial alignment angle and the second initial alignment angle are not equal.

[0023] In some embodiments, the main pixel electrode and the first pixel electrode are each electrically connected to the data line via a thin-film transistor switch, and both the main pixel region and the secondary pixel region include four display domain regions.

[0024] Thirdly, embodiments of this application provide a control device configured on a liquid crystal display panel as described in any of the first aspects, comprising:

[0025] The control module is used to control the target voltage applied to the second pixel electrode according to the first initial alignment angle of the liquid crystal medium in the main pixel area and the second initial alignment angle of the liquid crystal medium in the secondary pixel area during the process of displaying an image on the liquid crystal display panel.

[0026] The input module is used to input the same driving voltage to the first main pixel electrode and the first pixel electrode through the data line, so that the rotation start voltage of the main pixel in the main pixel area and the secondary pixel in the secondary pixel area are different, thereby arranging the liquid crystal medium in the main pixel area and the liquid crystal medium in the secondary pixel area along different rotation angles.

[0027] Fourthly, embodiments of this application provide a computer-readable storage medium storing a computer program that, when executed by a processor, implements the method as described in any of the second aspects.

[0028] Fifthly, embodiments of this application provide a computer program product that, when run on a liquid crystal display panel, causes the liquid crystal display panel to execute any of the methods described in the second aspect above.

[0029] This application provides a liquid crystal display panel, a control method for the liquid crystal display panel, and an apparatus for the liquid crystal display panel. The liquid crystal display panel includes an array substrate, a liquid crystal layer, and a color filter substrate. The liquid crystal display panel also includes multiple pixel regions arranged in an array. The pixel regions are main pixel regions and sub-pixel regions. During display, the initial arrangement angle of the liquid crystal media in the liquid crystal layers corresponding to the main pixel regions and the sub-pixel regions is different. This allows the main pixels in the main pixel regions and the sub-pixel regions to have different rotation start-up voltages when driven by the same driving voltage. Using this technical solution, the rotation start-up voltages of the main pixels in the main pixel regions and the sub-pixel regions can be made different when driven by the same driving voltage. This allows the liquid crystal media in the main pixel regions and the liquid crystal media in the sub-pixel regions to be arranged along different rotation angles, thereby optimizing the viewing angle of the liquid crystal display panel without increasing product cost, while also improving the product's refresh rate. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0031] Figure 1 This is a schematic diagram of a pixel design for a liquid crystal display panel provided by existing technology;

[0032] Figure 2 This is a schematic diagram of the pixel design of a liquid crystal display panel according to an embodiment of this application;

[0033] Figure 3 This is a schematic diagram of the pixel design of another liquid crystal display panel provided in one embodiment of this application;

[0034] Figure 4 This is a schematic flowchart of a control method for a liquid crystal display panel provided in an embodiment of this application;

[0035] Figure 5 This is a flowchart illustrating a control method for a liquid crystal display panel according to another embodiment of this application;

[0036] Figure 6 This is a schematic flowchart illustrating the configuration of the initial arrangement angle according to an embodiment of this application;

[0037] Figure 7 This is a schematic diagram illustrating the relationship between a driving voltage and an initial arrangement angle according to an embodiment of this application;

[0038] Figure 8This is a schematic diagram of a gamma curve provided in an embodiment of this application;

[0039] Figure 9 This is a structural block diagram of a control device for a liquid crystal display panel provided in an embodiment of this application.

[0040] The details of the reference numerals used in the above figures are as follows:

[0041] 1—Prior technology DBS_COM; 2—Pixel electrode; 3—Metal electrode; 4—DBS_COM corresponding to the main pixel in this embodiment; 5—Main pixel electrode; 6—DBS_COM corresponding to the secondary pixel in this embodiment; 7—Secondary pixel electrode; 8—ITO electrode; 9—PI layer; 10—Liquid crystal medium; 11—Photosensitive molecule. Detailed Implementation

[0042] In the following description, specific details such as particular system architectures and techniques are set forth for illustrative purposes and not for limitation, in order to provide a thorough understanding of the embodiments of this application. However, those skilled in the art will understand that this application may also be implemented in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, apparatuses, circuits, and methods have been omitted so as not to obscure the description of this application with unnecessary detail.

[0043] It should be understood that, when used in this application specification and the appended claims, the term "comprising" indicates the presence of the described features, integrals, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components and / or a collection thereof.

[0044] It should also be understood that the term “and / or” as used in this application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0045] As used in this application specification and the appended claims, the term "if" may be interpreted, depending on the context, as "when," "once," "in response to determination," or "in response to detection." Similarly, the phrase "if determined" or "if detected [the described condition or event]" may be interpreted, depending on the context, as meaning "once determined," "in response to determination," "once detected [the described condition or event]," or "in response to detection [the described condition or event]."

[0046] Furthermore, in the description of this application and the appended claims, the terms "first," "second," "third," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0047] References to "one embodiment" or "some embodiments" as described in this specification mean that one or more embodiments of this application include a specific feature, structure, or characteristic described in connection with that embodiment. Therefore, the phrases "in one embodiment," "in some embodiments," "in other embodiments," "in still other embodiments," etc., appearing in different parts of this specification do not necessarily refer to the same embodiment, but rather mean "one or more, but not all, embodiments," unless otherwise specifically emphasized. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless otherwise specifically emphasized.

[0048] Figure 1 This is a schematic diagram of a pixel design for a liquid crystal display panel provided by existing technology, such as... Figure 1 As shown, in the existing pixel design scheme, DBS_COM1 and pixel electrode 2 are designed on the same layer. E1 can be the voltage applied to pixel electrode 2 by CF com (i.e., common electrode). Data Lin can be the data line responsible for transmitting data. Since there is coupling between Data Lin and pixel electrode 2, black metal electrodes 3 are set on both sides of Data Lin to reduce the coupling between the two. However, this scheme reduces the aperture ratio of the liquid crystal display panel due to the setting of metal electrodes 3. Furthermore, the viewing angle effect is poor when the user tilts the liquid crystal display, and the product cost is increased.

[0049] Based on this, this application provides a liquid crystal display panel, including an array substrate, a liquid crystal layer and a color filter substrate. The liquid crystal display panel also includes a plurality of pixel areas arranged in an array. The pixel areas are main pixel areas and sub-pixel areas. During display, the initial arrangement angle of the liquid crystal medium of the liquid crystal layer corresponding to the main pixel area and the sub-pixel area is different, so that under the same driving voltage, the rotation start voltage of the main pixel in the main pixel area and the sub-pixel in the sub-pixel area is different.

[0050] In some embodiments, the array substrate is provided with pixel electrodes corresponding to the pixel area. The pixel electrodes are divided into main pixel electrodes and first pixel electrodes, which are respectively disposed in the main pixel area and the sub-pixel area. The main pixel electrodes and the first pixel electrodes are electrically connected to the data line through thin film transistor switches. A second pixel electrode is also disposed below the position corresponding to the first pixel electrode.

[0051] Figure 2 This is a schematic diagram of the pixel design of a liquid crystal display panel according to an embodiment of this application, as shown below. Figure 2 As shown, in this embodiment, DBS_COM and the pixel electrode can be placed on different layers. This can both shield or reduce the coupling between Data Lin and the pixel electrode through DBS and increase the aperture ratio.

[0052] like Figure 2 As shown in (a), in the main pixel region, DBS_COM4 can be set on a different layer from the main pixel electrode 5, and is set at the edge of the main pixel electrode 5; Figure 2 As shown in (b), in the sub-pixel region, a complete layer of DBS_COM6 (i.e., the second pixel electrode) can be set below the sub-pixel electrode 7 (i.e., the first pixel electrode). That is, a data shielding layer can be set below each sub-pixel electrode 7. The material of the data shielding layer can be indium tin oxide (ITO). At the same time, in this embodiment, a certain voltage can be applied to the data shielding layer. In other words, it can be considered that an additional electrode is set on one side of each sub-pixel electrode 7. E1 can be the voltage applied by CF com (i.e., the common electrode) to the main pixel electrode 5, and E2 can be the voltage applied by CF com (i.e., the common electrode) to the sub-pixel electrode 7. Therefore, due to the presence of the second pixel electrode, there is a different voltage difference between the sub-pixel and the main pixel, thereby enabling different viewing angles or pretilt angles.

[0053] Furthermore, in some embodiments, the main pixel electrode and the first pixel electrode are each electrically connected to the data line via a thin-film transistor switch, and both the main pixel region and the second pixel region include four display domain regions.

[0054] Specifically, in this embodiment, each main pixel in the main pixel region can correspond to one thin-film transistor, and each secondary pixel in the secondary pixel region can correspond to one thin-film transistor. Figure 3 This is a schematic diagram of the pixel design of another liquid crystal display panel provided in one embodiment of this application, as shown below. Figure 3 As shown in (a), each pixel can correspond to a thin-film transistor. The Vpixel on the left is the voltage applied to the common electrode, and the right side is the Data line responsible for transmitting data; as Figure 3 As shown in (b), both the main pixel area and the sub-pixel area can include four display domains. The essence of the 8-domain viewing angle improvement is to allow the main pixel area and the sub-pixel area to have different liquid crystal medium rotation angles when displaying content, so that when the user looks at an angle, the angle between the light from the eye and the long axis of the liquid crystal medium is different in the main pixel area and the sub-pixel area of ​​the 8 domains (e.g., This allows for the optimization of the perspective.

[0055] Figure 4 This is a schematic flowchart illustrating a control method for a liquid crystal display panel according to an embodiment of this application. It is intended as an example and not a limitation; this method can be applied to liquid crystal display panels. Figure 4 As shown, the method includes:

[0056] S101. During the process of displaying an image on the liquid crystal display panel, the target voltage applied to the second pixel electrode is controlled according to the first initial alignment angle of the liquid crystal medium in the main pixel area and the second initial alignment angle of the liquid crystal medium in the sub-pixel area.

[0057] The first initial alignment angle and the second initial alignment angle can be understood as the angles at which the liquid crystal media in the main pixel area and the sub-pixel area rotate when no voltage is applied. The specific angles can be configured during the production process of the liquid crystal display panel.

[0058] Specifically, during the display of an image on the liquid crystal display panel, the target voltage applied to the second pixel electrode can be controlled based on the first initial alignment angle of the liquid crystal medium in the main pixel area and the second initial alignment angle of the liquid crystal medium in the secondary pixel area. For example, the target voltage can be controlled based on the specific values ​​of the first initial alignment angle and the second initial alignment angle. For instance, the target voltage can be controlled by measuring whether the first initial alignment angle and the second initial alignment angle reach a preset angle, or by comparing the magnitude of the first initial alignment angle and the second initial alignment angle, or by detecting whether the first initial alignment angle and the second initial alignment angle are equal. This embodiment does not limit this.

[0059] S102. The same driving voltage is input to the first main pixel electrode and the first pixel electrode through the data line, so that the rotation start voltage of the main pixel in the main pixel area and the secondary pixel in the secondary pixel area are different, thereby arranging the liquid crystal medium in the main pixel area and the liquid crystal medium in the secondary pixel area along different rotation angles.

[0060] In a specific implementation, the same driving voltage can be input to the first main pixel electrode and the first pixel electrode via a data line. Then, when the target voltage is determined, the main pixels in the main pixel area and the sub-pixels in the sub-pixel area can have different rotation start voltages. Driven by different rotation start voltages, the liquid crystal media in the main pixel area and the liquid crystal media in the sub-pixel area can be controlled to deflect at different angles, so that the liquid crystal media in the main pixel area and the liquid crystal media in the sub-pixel area can be arranged along different rotation angles.

[0061] This embodiment provides a control method for a liquid crystal display panel. During image display, the target voltage applied to the second pixel electrode is controlled based on the first initial alignment angle of the liquid crystal medium in the main pixel area and the second initial alignment angle of the liquid crystal medium in the secondary pixel area. The same driving voltage is input to both the first and second main pixel electrodes via a data line, resulting in different rotation-starting voltages for the main pixels in the main pixel area and the secondary pixels in the secondary pixel area. This causes the liquid crystal medium in the main pixel area and the liquid crystal medium in the secondary pixel area to align along different rotation angles. Using this method, under the same driving voltage, the rotation-starting voltages of the main pixels in the main pixel area and the secondary pixels in the secondary pixel area can be different, thus aligning the liquid crystal medium in the main pixel area and the liquid crystal medium in the secondary pixel area along different rotation angles. This optimizes the viewing angle of the liquid crystal display panel without increasing product cost, while also improving the product's refresh rate.

[0062] Figure 5 This is a flowchart illustrating a control method for a liquid crystal display panel according to another embodiment of this application. In this embodiment, the control of the target voltage applied to the second pixel electrode based on the first initial alignment angle of the liquid crystal medium in the main pixel region and the second initial alignment angle of the liquid crystal medium in the secondary pixel region is further optimized as follows: detecting whether the first initial alignment angle and the second initial alignment angle are equal, obtaining a detection result; and controlling the target voltage applied to the second pixel electrode based on the detection result. Figure 5 As shown, the method includes:

[0063] S201. During the process of displaying an image on the liquid crystal display panel, detect whether the first initial arrangement angle and the second initial arrangement angle are equal, and obtain the detection result.

[0064] S202, Based on the detection results, control the target voltage applied to the second pixel electrode.

[0065] S203. The same driving voltage is input to the first main pixel electrode and the first pixel electrode through the data line, so that the rotation start voltage of the main pixel in the main pixel area and the secondary pixel in the secondary pixel area are different, thereby arranging the liquid crystal medium in the main pixel area and the liquid crystal medium in the secondary pixel area along different rotation angles.

[0066] In a specific implementation, the target voltage can be controlled based on whether the first initial arrangement angle and the second initial arrangement angle are equal. That is, different control measures can be applied to the target voltage by detecting whether the first initial arrangement angle and the second initial arrangement angle are equal. Different detection results can correspond to different control schemes, thereby making the rotation start voltage of the primary and secondary pixels correspond to different values.

[0067] In some embodiments, controlling the second voltage applied to the second pixel electrode based on the detection result includes:

[0068] If the first initial arrangement angle is detected to be equal to the second initial arrangement angle, then the voltage value of the second voltage is not zero.

[0069] In one implementation, if the first initial alignment angle is detected to be equal to the second initial alignment angle, it indicates that the liquid crystal media in the main pixel area and the liquid crystal media in the sub-pixel area are currently aligned along the same rotation angle. Therefore, by controlling the main pixel and the sub-pixel to have different rotation-starting voltages, the liquid crystal media in the main pixel area and the liquid crystal media in the sub-pixel area can be aligned along different rotation angles. Specifically, the same driving voltage can be input to the first main pixel electrode and the first sub-pixel electrode via a data line, and the voltage value of the second voltage can be controlled to be non-zero. This makes the rotation-starting voltages of the main and sub-pixels unequal, thus allowing the liquid crystal media in the main pixel area and the liquid crystal media in the sub-pixel area to be aligned along different rotation angles by rotating them from the initial alignment angles to the current alignment angles.

[0070] In some embodiments, controlling the second voltage applied to the second pixel electrode based on the detection result includes:

[0071] If the first initial arrangement angle is detected to be unequal to the second initial arrangement angle, the voltage value of the second voltage is controlled to be zero.

[0072] In another implementation, if the first initial arrangement angle is detected to be unequal to the second initial arrangement angle, it indicates that the liquid crystal medium in the main pixel area and the liquid crystal medium in the sub-pixel area are currently arranged along different rotation angles. Then, the same driving voltage can be input to the first main pixel electrode and the first pixel electrode through the data line, and the voltage value of the second voltage can be controlled to be zero. Thus, based on the different initial arrangement angles of the liquid crystal medium in the main pixel area and the liquid crystal medium in the sub-pixel area, by rotating by the same angle, the effect of arranging along different rotation angles can be achieved.

[0073] This embodiment provides a control method for a liquid crystal display panel. By detecting whether the first initial alignment angle and the second initial alignment angle are equal, the target voltage applied to the second pixel electrode can be controlled. This provides a voltage basis for arranging the liquid crystal medium in the main pixel area and the liquid crystal medium in the sub-pixel area along different rotation angles, further optimizing the viewing angle effect of the liquid crystal display panel.

[0074] In some embodiments, before controlling the voltage value of the second voltage to be zero, the method further includes:

[0075] During the alignment process of the liquid crystal display panel, according to the alignment angle requirements, a first alignment voltage is input to the main pixel electrode and the first pixel electrode, and a second alignment voltage is input to the second pixel electrode, so that after the main and secondary pixels are aligned, the first initial alignment angle and the second initial alignment angle are not equal, wherein the voltage value of the second alignment voltage is not zero.

[0076] In some embodiments, the first initial alignment angle and the second initial alignment angle are not equal after the primary and secondary pixels are aligned, including:

[0077] The liquid crystal medium in the main pixel area is deflected at an angle based on the first alignment voltage, and the liquid crystal medium in the sub-pixel area is deflected at an angle based on the first alignment voltage and the second alignment voltage.

[0078] By irradiating the deflected liquid crystal medium with ultraviolet light, the deflection angle of the deflected liquid crystal medium is solidified, so that after the primary and secondary pixels are aligned, the first initial alignment angle and the second initial alignment angle are not equal.

[0079] In a specific implementation, during the alignment process of the liquid crystal display panel, the specific values ​​of the first initial alignment angle of the liquid crystal medium in the main pixel area and the second initial alignment angle of the liquid crystal medium in the sub-pixel area can be configured so that the first initial alignment angle and the second initial alignment angle are not equal. The specific configuration process is not limited and can be determined according to the actual configuration method. For example, during the liquid crystal display panel manufacturing process, different initial alignment angles can be configured by controlling different alignment voltages. Specifically, the voltage applied by DBS ITO can be used to adjust the actual electric field force received by the liquid crystal medium, thereby achieving different pretilt angles for the liquid crystal medium during the alignment process.

[0080] Figure 6 This is a flowchart illustrating the configuration of the initial arrangement angle according to an embodiment of this application, as shown below. Figure 6 As shown, a liquid crystal display panel may include an ITO electrode 8, a PI layer 9 (i.e., alignment mode), a liquid crystal medium 10, and photosensitive molecules 11. After applying voltage to the liquid crystal display panel, the liquid crystal medium 10 and the photosensitive molecules 11 will rotate at a certain angle. Subsequently, the liquid crystal display panel can be irradiated with ultraviolet light, and the photosensitive molecules 11 will react with the PI layer 9 to form an angle, so that the liquid crystal medium 10 rotates in a similar manner according to the angle formed by the photosensitive molecules 11. Thus, the liquid crystal medium 10 can form an initial alignment angle (i.e., pretilt angle) for subsequent display applications.

[0081] Figure 7 This is a schematic diagram illustrating the relationship between a driving voltage and an initial alignment angle according to an embodiment of this application, as shown below. Figure 7As shown, the horizontal axis represents the driving voltage corresponding to the pixel, and the vertical axis represents the initial alignment angle (Pre-title) configured in the liquid crystal medium of the pixel. For example, for the main pixel, when the voltage applied to the common electrode is 18V, the final alignment voltage corresponding to the main pixel can be 18V. Figure 7 It can be seen that the initial alignment angle of the liquid crystal medium of the main pixel is 1.8°; for the sub-pixel, when the voltage applied to the common electrode is 18V and the voltage applied to the second pixel electrode is 4V, the final alignment voltage of the sub-pixel can be 14V. Therefore, from... Figure 7 It can be seen that the initial alignment angle of the liquid crystal medium of the subpixel is 1.1°.

[0082] In a specific implementation, this embodiment can input a first alignment voltage to the main pixel electrode and the first pixel electrode respectively, and input a second alignment voltage to the second pixel electrode, so that the main and secondary pixel regions drive the liquid crystal medium to deflect at an angle according to the final alignment voltage. The deflected liquid crystal medium is then irradiated with ultraviolet light to solidify the deflection angle of the deflected liquid crystal medium, thereby making the first initial alignment angle of the liquid crystal medium in the main pixel region unequal to the second initial alignment angle of the liquid crystal medium in the secondary pixel region.

[0083] Figure 8 This is a schematic diagram of a gamma curve provided in an embodiment of this application, as shown below. Figure 8 As shown, the gamma curves of the frontal view, the 1T+4 domain pixel design, the 3T+8 domain pixel design and the solution of this embodiment are displayed. It can be seen that when the user tilts the LCD screen, the gamma curve of the solution of this embodiment is close to the gamma curve of the traditional 3T+8 domain design, and is much better than the viewing angle performance of the 1T+4 domain pixel design.

[0084] As described above, to maintain a good viewing angle while improving the refresh rate, this embodiment can configure different initial alignment angles for the liquid crystal media in the main pixel area and the liquid crystal media in the sub-pixel area. By applying the same or different rotation start-up voltages to the main and sub-pixels, the main and sub-pixels can have different VT curves for their liquid crystal media. Therefore, even under the same driving voltage, because the liquid crystal media in the main and sub-pixels have different pretilt angles (i.e., initial alignment angles), the liquid crystal media in the main and sub-pixel areas can be aligned along different rotation angles. Thus, with a 1T+8 domain pixel design, it is relatively easy to achieve higher operating frequencies and lower power consumption, achieving better viewing angle performance while reducing the load. Furthermore, the aperture ratio can be increased by eliminating the SM metal.

[0085] In summary, the control method for the liquid crystal display panel provided in this embodiment offers a pixel design with a reduced load of 1T + 8 domains. By combining process methods to optimize the pretilt angle of the main and secondary pixels, the viewing angle performance is maintained at a level close to that of 3T + 8 domains, making it more suitable for application scenarios requiring wide viewing angles and high contrast. At the same time, the liquid crystal display panel provided in this embodiment also improves the aperture ratio, enhances the panel transmittance, reduces data loading, improves display power consumption, and enhances product competitiveness.

[0086] Corresponding to the control method of the liquid crystal display panel in the above embodiment, Figure 9 This is a structural block diagram of a control device for a liquid crystal display panel provided in one embodiment of this application. For ease of explanation, only the parts related to the embodiment of this application are shown.

[0087] Reference Figure 9 The device includes:

[0088] Control module 301 is used to control the target voltage applied to the second pixel electrode according to the first initial alignment angle of the liquid crystal medium in the main pixel area and the second initial alignment angle of the liquid crystal medium in the secondary pixel area during the process of displaying an image on the liquid crystal display panel.

[0089] The input module 302 is used to input the same driving voltage to the first main pixel electrode and the first pixel electrode through the data line, so that the rotation start voltage of the main pixel in the main pixel area and the secondary pixel in the secondary pixel area are different, thereby arranging the liquid crystal medium in the main pixel area and the liquid crystal medium in the secondary pixel area along different rotation angles.

[0090] This embodiment provides a control device for a liquid crystal display panel. During image display, the control module controls the target voltage applied to the second pixel electrode based on the first initial alignment angle of the liquid crystal medium in the main pixel area and the second initial alignment angle of the liquid crystal medium in the secondary pixel area. The input module inputs the same driving voltage to both the first and second main pixel electrodes via a data line, causing the rotation start voltages of the main pixels in the main pixel area and the secondary pixels in the secondary pixel area to differ. This results in the liquid crystal medium in the main pixel area and the liquid crystal medium in the secondary pixel area aligning at different rotation angles. Using this device, under the same driving voltage, the rotation start voltages of the main pixels in the main pixel area and the secondary pixels in the secondary pixel area can be made different, thus aligning the liquid crystal medium in the main pixel area and the liquid crystal medium in the secondary pixel area at different rotation angles. This optimizes the viewing angle of the liquid crystal display panel without increasing product cost, while also improving the product's refresh rate.

[0091] Optionally, the control module includes:

[0092] The detection unit is used to detect whether the first initial arrangement angle and the second initial arrangement angle are equal, and to obtain the detection result;

[0093] The control unit is used to control the target voltage applied to the second pixel electrode based on the detection results.

[0094] Optionally, the control unit is specifically used for:

[0095] If the first initial arrangement angle is detected to be equal to the second initial arrangement angle, then the voltage value of the control target voltage will not be zero.

[0096] Optionally, the control unit is specifically used for:

[0097] If the first initial arrangement angle is not equal to the second initial arrangement angle, the voltage value of the control target voltage is zero.

[0098] Optionally, the control module may also include:

[0099] The input unit is used to input a first alignment voltage to the main pixel electrode and the first pixel electrode, and a second alignment voltage to the second pixel electrode, according to the alignment angle requirements, during the alignment process of the liquid crystal display panel before the voltage value of the control target voltage is zero, so that after the main and secondary pixels are aligned, the first initial alignment angle and the second initial alignment angle are not equal, wherein the voltage value of the second alignment voltage is not zero.

[0100] Optionally, the input unit is specifically used for:

[0101] The liquid crystal medium in the main pixel area is deflected at an angle based on the first alignment voltage, and the liquid crystal medium in the sub-pixel area is deflected at an angle based on the first alignment voltage and the second alignment voltage.

[0102] By irradiating the deflected liquid crystal medium with ultraviolet light, the deflection angle of the deflected liquid crystal medium is solidified, so that after the primary and secondary pixels are aligned, the first initial alignment angle and the second initial alignment angle are not equal.

[0103] Optionally, the main pixel electrode and the first pixel electrode are each electrically connected to the data line via a thin-film transistor switch, and both the main pixel area and the second pixel area include four display domain areas.

[0104] It should be noted that the information interaction and execution process between the above-mentioned devices / units are based on the same concept as the method embodiments of this application. For details on their specific functions and technical effects, please refer to the method embodiments section, and they will not be repeated here.

[0105] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the above-described division of functional units and modules is merely an example. In practical applications, the above functions can be assigned to different functional units and modules as needed, that is, the internal structure of the device can be divided into different functional units or modules to complete all or part of the functions described above. The functional units and modules in the embodiments can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or as a software functional unit. Furthermore, the specific names of the functional units and modules are only for easy differentiation and are not intended to limit the scope of protection of this application. The specific working process of the units and modules in the above system can be referred to the corresponding process in the foregoing method embodiments, and will not be repeated here.

[0106] This application also provides a computer-readable storage medium storing a computer program, which, when executed by a processor, implements the steps described in the above-described method embodiments.

[0107] This application provides a computer program product that, when run on a liquid crystal display panel, enables the liquid crystal display panel to perform the steps described in the above-described method embodiments.

[0108] If the integrated unit is implemented as a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, all or part of the processes in the methods of the above embodiments of this application can be implemented by a computer program instructing related hardware. The computer program can be stored in a computer-readable storage medium, and when executed by the processor 401, it can implement the steps of the various method embodiments described above. The computer program includes computer program code, which can be in the form of source code, object code, executable files, or certain intermediate forms. The computer-readable medium can include at least: any entity or device capable of carrying computer program code to a device / liquid crystal display panel, a recording medium, a computer memory, a read-only memory (ROM), a random access memory (RAM), an electrical carrier signal, a telecommunication signal, and a software distribution medium. Examples include USB flash drives, portable hard drives, magnetic disks, or optical disks. In some jurisdictions, according to legislation and patent practice, computer-readable media cannot be electrical carrier signals or telecommunication signals.

[0109] In the above embodiments, the descriptions of each embodiment have different focuses. For parts that are not described in detail or recorded in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0110] Those skilled in the art will recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0111] In the embodiments provided in this application, it should be understood that the disclosed apparatus / liquid crystal display panel and method can be implemented in other ways. For example, the apparatus / liquid crystal display panel embodiments described above are merely illustrative. For instance, the division of modules or units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the displayed or discussed mutual couplings or direct couplings or communication connections may be through some interfaces; indirect couplings or communication connections between devices or units may be electrical, mechanical, or other forms.

[0112] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0113] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application, and should all be included within the protection scope of this application.

Claims

1. A liquid crystal display panel, comprising an array substrate, a liquid crystal layer, and a color filter substrate, characterized in that, The liquid crystal display panel further includes multiple pixel areas arranged in an array. The pixel areas are main pixel areas and sub-pixel areas. Pixel electrodes corresponding to the pixel areas are disposed on the array substrate. The pixel electrodes are divided into main pixel electrodes and first pixel electrodes, which are respectively disposed in the main pixel areas and sub-pixel areas. The main pixel electrodes and the first pixel electrodes are electrically connected to a data line through a thin-film transistor switch. In the sub-pixel region, a second pixel electrode is provided below the position corresponding to the first pixel electrode. The second pixel electrode is a whole layer of DBS_COM. A DBS_COM is provided above the data line of the main pixel region. The DBS_COM and the main pixel electrode are located on different layers and are located at the edge of the main pixel electrode. During display, the initial arrangement angle of the liquid crystal medium of the liquid crystal layer corresponding to the main pixel region and the sub-pixel region is different, so that the rotation start voltage of the main pixel in the main pixel region and the sub-pixel in the sub-pixel region is different when driven by the same driving voltage.

2. A control device configured on a liquid crystal display panel as described in claim 1, characterized in that, include: The control module is used to control the target voltage applied to the second pixel electrode according to the first initial alignment angle of the liquid crystal medium in the main pixel area and the second initial alignment angle of the liquid crystal medium in the sub-pixel area during the process of displaying an image on the liquid crystal display panel. The input module is used to input the same driving voltage to the main pixel electrode and the first pixel electrode through the data line, so that the rotation start voltage of the main pixel in the main pixel area and the secondary pixel in the secondary pixel area are different, thereby arranging the liquid crystal medium in the main pixel area and the liquid crystal medium in the secondary pixel area along different rotation angles.

Images