WO2019119565A1 - 显示装置及其控制方法 - Google Patents

显示装置及其控制方法 Download PDF

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Publication number
WO2019119565A1
WO2019119565A1 PCT/CN2018/072107 CN2018072107W WO2019119565A1 WO 2019119565 A1 WO2019119565 A1 WO 2019119565A1 CN 2018072107 W CN2018072107 W CN 2018072107W WO 2019119565 A1 WO2019119565 A1 WO 2019119565A1
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Prior art keywords
display device
display
component
sight
light
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PCT/CN2018/072107
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English (en)
French (fr)
Inventor
何怀亮
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HKC Co Ltd
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HKC Co Ltd
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight
    • G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G02F1/133602—Direct backlight

Definitions

  • the embodiments of the present application belong to the field of display technologies, and in particular, to a display device and a control method thereof.
  • the present application provides a display device and a control method thereof, and aims to solve the problem that most of the existing display devices have a wide frame, especially for large-scale public places such as shopping malls and office buildings, which are spliced by a plurality of small display devices.
  • the display device will form a wider border area at the splicing place, and the border area usually cannot transmit light and cannot display the picture, which seriously affects the display effect and reduces the problem of visual experience.
  • An aspect of the present application provides a display device including: at least two display modules and at least one dimming component. Providing one of the dimming members above the splicing portion of the adjacent display module for adjusting an angle of the light emitted from the splicing portion, so that the splicing portion obtains a light energy distribution; wherein the display mode
  • the group includes: a display panel, a backlight module, and at least one layer of optical diffusion components; the optical diffusion component is disposed on a light exit surface of the backlight module, and is configured to optically diffuse light emitted by the backlight module to Adjusting the exit angle of the light of the preset ratio to a preset angle or more.
  • the present application further provides a control method for a display device, comprising: optically diffusing light emitted from a backlight module through at least one layer of optical diffusion components to adjust an exit angle of the light of a preset ratio to a preset angle And controlling at least one dimming component to further adjust an angle of the light to obtain a light energy distribution at a joint of adjacent display modules.
  • the application further provides a display device comprising: at least two display modules, at least one dimming component, and a voltage adjusting module.
  • the display module includes a display panel, a backlight module, and at least one layer of optical diffusion components.
  • the optical diffusion component is disposed on a light exit surface of the backlight module, and is configured to optically emit light emitted by the backlight module.
  • a dimming component is disposed above the splicing portion of the adjacent display module for adjusting the splicing portion to be emitted
  • the angle of the light is electrically connected to the dimming component for controlling the dimming component to further adjust an angle of the light to obtain a light energy distribution.
  • At least one layer of optical diffusion components is disposed on the light exit surface of the backlight module of the display device, and the exit angle of the light emitted by the backlight module can be initially adjusted, so that the exit angle is greater than the preset angle, and the A dimming component is disposed directly above the splicing portion of the adjacent display module, so that the exit angle of the ray at the splicing portion of the adjacent display module can be further adjusted, so that the splicing portion obtains the light energy distribution, so that the splicing portion can visually display the image. , to achieve the borderless or narrow border effect of the display device.
  • FIG. 1 is a schematic structural diagram of a display module according to an embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of a display device according to an embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a display device according to another embodiment of the present application.
  • FIG. 4 is a flow chart showing a control method of a display device according to an embodiment of the present application.
  • FIG. 5 is a structural block diagram of a display device according to an embodiment of the present application.
  • FIG. 6 is a structural block diagram of a display device according to another embodiment of the present application.
  • an embodiment of the present application provides a display module 10 including a backlight module 11 , a display panel 12 , at least one layer of optical diffusion components 13 , and a light shielding component 14 .
  • the backlight module 11 is disposed on the back surface of the display panel 12 for providing a display light source for the display panel 12.
  • a backlight module refers specifically to a circuit structure or a combination of devices that can emit light to provide a display light source to the display panel, for example, an LED light source assembly that provides a light source in the form of a point, a line, or a surface, and a cold cathode. Fluorescent tube assembly, hot cathode fluorescent tube assembly, organic electroluminescent sheet assembly, and the like.
  • the backlight module 11 is exemplarily shown in FIG. 1 as a surface light source assembly including a light guide plate.
  • the display panel 12 is for receiving a driving voltage outputted by the control chip, and is driven by the driving voltage to display a picture.
  • the display panel can be a device for realizing a screen display by a principle of displaying a screen by a voltage-driven liquid crystal change form composed of a glass substrate, an ITO conductive glass, a polarizing plate, a color filter, a liquid crystal substrate, or the like.
  • a thin film transistor liquid crystal display TFT-LCD, Thin Film Transistor-Liquid Crystal Display
  • the display panel may be other types of display panels, such as an OLED (Organic Electroluminescence Display) display panel, a QLED (Quantum Dot Light Emitting Diodes) display panel, and the like.
  • the type of the display panel is not particularly limited.
  • the optical diffusing component 13 is disposed on the light emitting surface of the backlight module 11 for optically diffusing the light emitted by the backlight module 11 to adjust the exit angle of the predetermined proportion of light to a preset angle or more.
  • the optical diffusion member specifically refers to a structure having an optical diffusion effect, such as a diffusion plate, a diffusion sheet, or the like having an equivalent function.
  • the number of optical diffusion members may be determined according to actual needs, and may include, for example, one, two, three or four layers of optical diffusion members stacked one on another.
  • the display module 10 is exemplarily shown in FIG. 1 and includes three layers of optical diffusing members 13.
  • the preset ratio refers specifically to the proportion of the light emitted by the backlight module that is greater than the preset angle in the light emitted by the backlight module, and the preset ratio may be selected by the optical diffusing component.
  • the scattering characteristics are determined by the refractive index and the number of optical diffusing members.
  • the preset ratio is greater than or equal to 1/3, and the preset ratio may be set to other ratios less than 1/3 according to actual needs, such as 1/4, 1/5, and the like.
  • the preset angle is greater than or equal to 60°, and the preset angle may be set to other angles less than 60° according to actual needs, such as 45°, 30°, and the like.
  • the light shielding member 14 is disposed around the edge of the display panel 12 to form a frame of the display panel 12 for protecting internal circuits and components of the display panel 12 to avoid leakage current.
  • the light-shielding member specifically refers to a photosensitive material prepared by an evaporation process, which is mainly composed of a resin, a sensitizer and a solvent, for example, by opacity.
  • the light shielding member includes two types of a positive light blocking member and a negative light blocking member.
  • the exit angle of the light emitted by the backlight module can be initially adjusted, so that the exit angle is greater than the preset angle, and the
  • the display panel is provided with a bezel composed of a light shielding member to protect circuits and components inside the display panel from leakage current.
  • An embodiment of the present application provides a display device including at least two display modules and at least one dimming component that are sequentially spliced.
  • a dimming component is disposed directly above the splicing portion of the adjacent display module for adjusting the angle of the outgoing light at the splicing portion, so that the splicing portion obtains the light energy distribution.
  • the number of display modules may be determined according to actual needs, for example, may include three display modules arranged in sequence and sequentially spliced, and may further include four display modules arranged in two rows and adjacent to each other. The display modules are spliced to each other, and so on.
  • the number of dimming components is determined by the number and arrangement of the display modules, as long as a dimming component is disposed above the adjacent display module, for example, three display modules are sequentially spliced.
  • a dimming component is disposed above the splicing portion of the first display module and the second display module, and the splicing portion of the second display module and the third display module is above Setting another dimming component;
  • four display modules arranged in a 2 ⁇ 2 array may correspond to four dimming components, and a second display of the first display module and the second display module
  • the splicing portion of the module and the third display module, the splicing portion of the third display module and the fourth display module, the splicing portion of the fourth display module and the first display module A dimming component is provided above each.
  • the display device 100 is exemplarily shown in Fig. 2 to include two display modules 10 and a dimming member 20 which are spliced together, and the arrowed lines or curves in Fig. 2 are used to exemplarily indicate the direction of the light.
  • the dimming member is specifically a liquid crystal dimming member for changing an optical axis orientation of the internal liquid crystal particles according to an applied voltage applied thereto, so that the splicing portion is obtained when the liquid crystal particles are close to the scattering form.
  • the voltage of the applied voltage is within a preset voltage range.
  • the liquid crystal dimming member is controlled by an applied voltage to change the form of the internal liquid crystal particles, thereby changing the optical axis orientation of the internal liquid crystal particles to achieve an angle of change of the light.
  • the liquid crystal dimming member may be a polymer dispersed liquid crystal (PDLC), which is also called a liquid crystal dimming film.
  • PDLC polymer dispersed liquid crystal
  • the lower limit value of the preset voltage range is 0 and the upper limit value is the rated liquid crystal driving voltage, and the preset voltage range may be set to other ranges according to actual needs.
  • the applied voltage is adjustable or linearly adjustable over a predetermined range of voltages.
  • the multi-speed adjustable means that the applied voltage has a plurality of adjustment gear positions. For example, if the preset voltage range is 0 to 10 V and the applied voltage is 6 steps, the voltage of each adjustment gear is 0 V, 2 V, respectively. 4V, 6V, 8V and 10V; linearly adjustable means that the applied voltage can be adjusted to any voltage value within the preset voltage range. For example, if the preset voltage range is 0 ⁇ 5V, the applied voltage can be in the range of 0 ⁇ 5V. Adjusted to any voltage value.
  • the light energy distribution can be obtained at the splicing portion, so that the splicing portion can visually display the image, thereby realizing the borderless or narrow border of the display device. effect.
  • the display device 100 in the embodiment corresponding to FIG. 2 further includes a gaze tracking component 30.
  • the gaze tracking component 30 is electrically connected to the dimming component 20 for tracking the line of sight of the human eye such that the light energy distribution obtained by the splicing of the adjacent display modules is within the line of sight of the human eye.
  • gaze tracking refers to the use of various detection means such as mechanical, electronic, optical, etc. to obtain the user's current "gaze direction" technology, mainly used to track the line of sight of the human eye to know the location of the line of sight of the human eye.
  • the gaze tracking component is a component that is implemented using gaze tracking technology.
  • the gaze tracking component is specifically configured to track the line of sight of the human eye, and the applied voltage applied to the liquid crystal dimming component is adjusted according to the line of sight to change the liquid crystal dimming.
  • the optical axis of the component is oriented such that the light energy distribution obtained by the splicing of adjacent display modules is within the line of sight of the human eye.
  • the display device 100 in the embodiment corresponding to FIG. 2 further includes a control component.
  • the control components are electrically connected to the display module, the dimming component, and the line-of-sight tracking component, respectively, for controlling the operating states of the display module, the dimming component, and the line-of-sight tracking component.
  • the control display module displays or does not display, and controls the dimming component to be turned on or off.
  • the dimming component is a liquid crystal dimming component
  • the control component is also used to control the magnitude of the applied voltage applied to the liquid crystal dimming component, and control the line of sight.
  • the tracking component tracks the line of sight of the human eye and adjusts the magnitude of the applied voltage applied to the liquid crystal dimming component according to the range of the line of sight of the acquired human eye.
  • control component specifically refers to a circuit structure or device having the above-mentioned control function, for example, a central processing unit, or an application specific integrated circuit (ASIC), or is configured to implement the embodiment of the present application.
  • ASIC application specific integrated circuit
  • the magnitude of the applied voltage applied to the liquid crystal dimming member can be adjusted according to the line of sight of the human eye, and the shape of the liquid crystal particles inside the liquid crystal dimming member can be changed to change the liquid crystal.
  • the optical axis orientation of the liquid crystal particles inside the dimming member enables light energy distribution to be obtained at the splicing portion of the adjacent display module, so that the human eye can feel the visual effect regardless of the angle from which the display device displays the image displayed.
  • the border of the adjacent display module is narrow or has no border.
  • an embodiment of the present application provides a control method of a display device, which is implemented based on the display device 100 described above, and includes:
  • Step S101 optically diffuse the light emitted by the backlight module through at least one layer of the optical diffusion component to adjust the exit angle of the light of the preset ratio to be greater than a preset angle.
  • Step S102 Control at least one dimming component to further adjust an angle of the light to obtain a light energy distribution at a joint of adjacent display modules.
  • step S102 may be performed by a line of sight tracking component or control component in the embodiment corresponding to FIG.
  • step S102 specifically includes:
  • the voltage of the applied voltage is within a preset voltage range.
  • control method of the display device provided by this embodiment further includes:
  • Step S103 Control the line-of-sight tracking component to track the line of sight of the human eye to cause the light energy distribution obtained by the splicing according to the line of sight to be within the line of sight range.
  • the dimming component may be a liquid crystal dimming component.
  • step S103 specifically includes:
  • the light energy distribution is within the line of sight.
  • step S103 can be performed by the control component in the embodiment corresponding to FIG.
  • an embodiment of the present application further provides a display device 200 including at least two display modules 201 , at least one dimming component 202 , and a voltage adjustment module 203 .
  • the number of display modules can be set according to actual needs, and the number of dimming components is determined by the number and arrangement of display modules.
  • the display module 201 includes a display panel, a backlight module, and at least one layer of optical diffusion components.
  • the optical diffusion component is disposed on the light exit surface of the backlight module, and is configured to optically diffuse the light emitted by the backlight module to preset the ratio. The exit angle of the light is adjusted to be above a preset angle.
  • the display module 201 in this embodiment is the display module 10 provided in any of the above embodiments, and the specific structure thereof is as shown in FIG. 1 , 2 or 3 , and is not used in this embodiment. The specific structure is illustrated.
  • a dimming member 202 is disposed above the splicing portion of the adjacent display module 201 for adjusting the angle of the light emitted from the joint.
  • the dimming component 202 in this embodiment is the dimming component 20 in any of the above embodiments, and the specific structure thereof is as shown in FIG. 2 or 3, and details are not described in this embodiment.
  • the voltage adjustment module 203 is electrically connected to the dimming component 202 for controlling the dimming component 202 to further adjust the angle of the light emitted by the splicing portion, so that the splicing portion of the adjacent display module 201 obtains the light energy distribution.
  • the voltage adjustment module can be a software program module in a control component in the embodiment corresponding to FIG.
  • the voltage adjustment module is specifically configured to apply different magnitudes of voltage to the dimming member to change an optical axis orientation of the liquid crystal particles inside the liquid crystal dimming member, when the liquid crystal particles are close to a scattering pattern. , the light energy distribution is obtained at the splicing.
  • the display device 200 in the embodiment corresponding to FIG. 5 further includes a gaze tracking component 204 and a gaze tracking control module 205.
  • the gaze tracking component 204 is electrically coupled to the dimming component 202 for tracking the line of sight of the human eye to cause the optical energy distribution obtained by the junction of the adjacent display modules 201 to be within the line of sight range according to the line of sight.
  • the gaze tracking component 204 in this embodiment is the gaze tracking component 30 in the above embodiment.
  • the gaze tracking control module 205 is connected to the gaze tracking component 204, respectively, for controlling the gaze tracking component 204 to track the line of sight of the human eye.
  • the gaze tracking control module 205 can be a software program module in the control component of the embodiment corresponding to FIG.
  • the modules in all the embodiments of the present application may be implemented by a general-purpose integrated circuit, such as a CPU (Central Processing Unit), or by an ASIC (Application Specific Integrated Circuit).
  • a general-purpose integrated circuit such as a CPU (Central Processing Unit), or by an ASIC (Application Specific Integrated Circuit).
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

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  • Mathematical Physics (AREA)
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  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
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Abstract

一种显示装置（100）及其控制方法，通过在显示装置（100）的背光模组（11）的光线出射面设置至少一层光学扩散部件（13），可以对背光模组（11）发射的光线的出射角度进行初步调整，使该出射角度大于预设角度，通过在相邻显示模组（10）的拼接处的正上方设置调光部件（20），可以进一步的调整拼接处的光线的出射角度，使拼接处获得光能量分配，从而使拼接处在视觉上能够显示画面，实现显示装置（100）的无边框或窄边框效果。

Description

显示装置及其控制方法 技术领域
本申请实施例属于显示技术领域，尤其涉及一种显示装置及其控制方法。
背景技术
随着科学技术的不断发展，电视、显示器等各种显示设备不断普及，广泛应用于住宅、商场、办公楼等各种需要进行信息显示的场所，为人们的生产和生活带来了便利。
然而，现有的显示设备大多具有较宽的边框，尤其是应用于商场、办公楼等大型公共场所由多块小型显示设备拼接而成的大型显示设备，在拼接处会形成较宽的边框区，边框区通常无法透光不能显示画面，严重影响了显示效果，降低了视觉体验。
发明内容
本申请提供一种显示装置及其控制方法，旨在解决现有的显示设备大多具有较宽的边框，尤其是应用于商场、办公楼等大型公共场所由多块小型显示设备拼接而成的大型显示设备，在拼接处会形成较宽的边框区，边框区通常无法透光不能显示画面，严重影响了显示效果，降低了视觉体验的问题。
本申请一方面提供一种显示装置，其包括：至少两个显示模组以及至少一个调光部件。相邻的所述显示模组的拼接处的上方设置一个所述调光部件，用于调整所述拼接处出射的光线的角度，使所述拼接处获得光能量分配；其中，所述显示模组包括：显示面板、背光模组以及至少一层光学扩散部件；所述光学扩散部件设置于所述背光模组的光线出射面，用于对所述背光模组出射的光线进行光学扩散，以将预设比例的所述光线的出射角度调整至预设角度以上。
本申请还提供一种显示装置的控制方法，其包括：通过至少一层光学扩散部件对背光模组出射的光线进行光学扩散，以将预设比例的所述光线的出射角度调整至预设角度以上；以及控制至少一个调光部件进一步调整所述光线的角度，使相邻的显示模组的拼接处获得光能量分配。
本申请还提供一种显示装置，其包括：至少两个显示模组、至少一个调 光部件以及电压调整模块。所述显示模组包括显示面板、背光模组以及至少一层光学扩散部件，所述光学扩散部件设置于所述背光模组的光线出射面，用于对所述背光模组出射的光线进行光学扩散，以将预设比例的所述光线的出射角度调整至预设角度以上；相邻的所述显示模组的拼接处的上方设置一个所述调光部件，用于调整所述拼接处出射的光线的角度；所述电压调整模块与所述调光部件电连接，用于控制所述调光部件进一步调整所述光线的角度，使所述拼接处获得光能量分配。
本申请通过在显示装置的背光模组的光线出射面设置至少一层光学扩散部件，可以对背光模组发射的光线的出射角度进行初步调整，使该出射角度大于预设角度，通过在位于相邻显示模组的拼接处的正上方设置调光部件，可以进一步的调整相邻显示模组拼接处的光线的出射角度，使拼接处获得光能量分配，从而使拼接处在视觉上能够显示画面，实现显示装置的无边框或窄边框效果。
附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本申请的一个实施例提供的显示模组的结构示意图；
图2是本申请的一个实施例提供的显示装置的结构示意图；
图3是本申请的另一个实施例提供的显示装置的结构示意图；
图4是本申请的一个实施例提供的显示装置的控制方法的流程框图；
图5是本申请的一个实施例提供的显示装置的结构框图；以及
图6是本申请的另一个实施例提供的显示装置的结构框图。
具体实施方式
为了使本技术领域的人员更好地理解本申请方案，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚地描述，显然，所描述的实施例是本申请一部分的实施例，而不是全部的实施例。基于本申请中 的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本申请保护的范围。
本申请的说明书和权利要求书及上述附图中的术语“包括”以及它们任何变形，意图在于覆盖不排他的包含。例如包含一系列步骤或单元的过程、方法或系统、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。此外，术语“第一”、“第二”和“第三”等是用于区别不同对象，而非用于描述特定顺序。
如图1所示，本申请的一个实施例提供一种显示模组10，其包括背光模组11、显示面板12、至少一层光学扩散部件13和遮光部件14。
图1中，带箭头的直线或曲线用于示例性的表示光线方向。
背光模组11设置于显示面板12的背面，用于为显示面板12提供显示光源。
在应用中，背光模组具体是指位于显示面板背后，能够发出光线为显示面板提供显示光源的电路结构或器件的组合，例如，以点、线或面形式提供光源的LED光源组件、冷阴极荧光管组件、热阴极荧光管组件、有机电致发光片组件等。图1中示例性的示出背光模组11为包括导光板的面光源组件。
显示面板12用于接收控制芯片输出的驱动电压，并受驱动电压的驱动以显示画面。
在具体应用中，显示面板可以为由玻璃基板、ITO导电玻璃、偏光板、彩色滤光片、液晶基板等组成的利用电压驱动液晶改变形态来显示画面的原理实现画面显示的器件。例如，薄膜晶体管液晶显示器(TFT-LCD，Thin Film Transistor-Liquid Crystal Display)。在其他实施例中，显示面板还可以是其他类型的显示面板，例如，OLED(Organic Electroluminescence Display，有机电激发光显示)显示面板、QLED(Quantum Dot Light Emitting Diodes，量子点发光二极管)显示面板等。本实施例中，不对显示面板的类型作特别限定。
光学扩散部件13设置于背光模组11的光线出射面，用于对背光模组11出射的光线进行光学扩散，以将预设比例的光线的出射角度调整至预设角度以上。
在具体应用中，光学扩散部件具体是指具有光学扩散作用的结构，例如 扩散板、扩散片或者具有同等功能的类似结构等。光学扩散部件的数量可以根据实际需要决定，例如，可以包括一层、两层、三层或者四层相互层叠设置的光学扩散部件。图1中示例性的示出显示模组10包括三层光学扩散部件13。
在具体应用中，预设比例具体是指背光模组出射的光线中，出射角度大于预设角度的光线在全部出射光线中所占的比例大小，该预设比例可以由所选择的光学扩散部件的散射特性来决定，该散射特性主要由光学扩散部件的折射率和数量来决定。
在一个实施例中，预设比例大于等于1/3，也可以根据实际需要将预设比例设置为小于1/3的其他比例，例如1/4、1/5等。
在一个实施例中，预设角度大于等于60°，也可以根据实际需要将预设角度设置为小于60°的其他角度，例如45°、30°等。
遮光部件14设置于显示面板12的边缘四周，构成显示面板12的边框，用于保护显示面板12的内部电路和元器件，避免产生漏电流。
在具体应用中，遮光部件具体是指通过蒸镀工艺制作的一种光敏材料，其主要由树脂(resin)、感光剂(sensitizer)和溶剂(solvent)三种成分混合而成，例如，由不透明的黑底石墨乳(BM，Black Matrix)制成的遮光光阻。遮光部件包括正向遮光部件和负向遮光部件两种。
本实施例通过在显示模组的背光模组的光线出射面设置至少一层光学扩散部件，可以对背光模组发射的光线的出射角度进行初步调整，使该出射角度大于预设角度，通过为显示面板设置由遮光部件构成的边框可以保护显示面板内部的电路和元器件，避免产生漏电流。
本申请的一个实施例提供一种显示装置，包括依次拼接的至少两个上述的显示模组和至少一个调光部件。
相邻的显示模组的拼接处的正上方设置一个调光部件，用于调整拼接处的出射光线的角度，使拼接处获得光能量分配。
在具体应用中，显示模组的数量可以根据实际需要决定，例如，可以包括三个依次排列且依次拼接的显示模组，还可以包括四个阵列式排列成两排的显示模组且相邻的显示模组相互拼接，依此类推。
在具体应用中，调光部件的数量由显示模组的数量和排布方式决定，只 要保证相邻的显示模组上方设置有一个调光部件即可，例如，依次拼接的三个显示模组可以对应两个调光部件，第一个显示模组和第二个显示模组的拼接处的上方设置一个调光部件，第二个显示模组和第三个显示模组的拼接处的上方设置另一个调光部件；以2×2阵列形式排列的四个显示模块可以对应四个调光部件，第一个显示模组和第二个显示模组的拼接处的上方、第二个显示模组和第三个显示模组的拼接处的上方、第三个显示模组和第四个显示模组的拼接处的上方、第四个显示模组和第一个显示模组的拼接处的上方各设置一个调光部件。
图2中示例性的示出显示装置100包括相互拼接的两个显示模组10和一个调光部件20，图2中带箭头的直线或曲线用于示例性的表示光线方向。
在一个实施例中，调光部件具体为液晶调光部件，用于根据其接入的外加电压改变内部的液晶微粒的光轴取向，以在液晶微粒趋近于散射形态时，使拼接处获得光能量分配，所述外加电压的电压大小在预设电压范围内。
在具体应用中，液晶调光部件受外加电压控制而改变内部的液晶微粒的形态，进而改变内部的液晶微粒的光轴取向，以实现改变光线的出射角度。在一个实施例中，液晶调光部件可以为聚合物分散液晶(PDLC，Polymer Dispersed Liquid Crystal)，又称液晶调光膜。
在一个实施例中，预设电压范围的下限值为0且上限值为额定液晶驱动电压，也可以根据实际需要将预设电压范围设置为其他范围。
在一个实施例中，外加电压在预设电压范围内多档可调或线性可调。此处多档可调是指外加电压具有多个调节档位，例如，假设预设电压范围为0～10V、外加电压6档可调，则每个调节档位的电压分别为0V、2V、4V、6V、8V和10V；线性可调是指外加电压可以调节为预设电压范围内的任意电压值，例如，假设预设电压范围为0～5V，则外加电压可以在0～5V范围内被调节为任意电压值。
本实施例通过在相邻显示模组的拼接处的正上方设置调光部件，可以使拼接处获得光能量分配，从而使拼接处在视觉上能够显示画面，实现显示装置的无边框或窄边框效果。
如图3所示，在本申请的一个实施例中，图2所对应的实施例中的显示装置100还包括视线追踪部件30。
视线追踪部件30与调光部件20电连接，用于追踪人眼的视线，使相邻显示模组的拼接处所获得的光能量分配处于人眼的视线范围内。
在具体应用中，视线追踪是指利用机械、电子、光学等各种检测手段获取用户当前“注视方向”的技术，主要用于追踪人眼的视线，以获知人眼的视线范围所在位置。视线追踪部件则是利用视线追踪技术实现的部件。
在一个实施例，当调光部件为液晶调光部件时，视线追踪部件具体用于追踪人眼的视线，根据所述视线调整施加给液晶调光部件的外加电压，以改变所述液晶调光部件的液晶微粒的光轴取向，使相邻显示模组的拼接处所获得的光能量分配处于人眼的视线范围内。
在本申请的一个实施例中，图2所对应的实施例中的显示装置100还包括控制部件。
控制部件分别与显示模组、调光部件和视线追踪部件电连接，用于对显示模组、调光部件和视线追踪部件的工作状态进行控制。例如，控制显示模组显示或不显示，控制调光部件开启或关闭，当调光部件为液晶调光部件时，控制部件还用于控制施加给液晶调光部件的外加电压的大小，控制视线追踪部件追踪人眼的视线，并根据获取到的人眼的视线范围调整施加给液晶调光部件的外加电压的大小。
在具体应用中，控制部件具体是指具有上述控制功能的电路结构或器件，例如，中央处理器，或者是特定集成电路ASIC(Application Specific Integrated Circuit)，或者是被配置成实施本申请实施例的一个或多个集成电路等。
本实施例通过设置视线追踪部件来追踪人眼的视线，可以根据人眼的视线范围调节施加给液晶调光部件的外加电压的大小，改变液晶调光部件内部的液晶微粒的形态，以改变液晶调光部件内部的液晶微粒的光轴取向，使相邻显示模组的拼接处获得光能量分配，从而使人眼不论从哪个角度观看显示装置所显示的画面，均可以在视觉效果上感受到相邻显示模组拼接处的边框较窄或者无边框。
如图4所示，本申请的一个实施例提供一种显示装置的控制方法，基于上述的显示装置100实现，其包括：
步骤S101：通过至少一层光学扩散部件对背光模组出射的光线进行光学扩散，以将预设比例的所述光线的出射角度调整至预设角度以上。
步骤S102：控制至少一个调光部件进一步调整所述光线的角度，使相邻的显示模组的拼接处获得光能量分配。
在一个实施例中，步骤S102可以由图3所对应的实施例中的视线追踪部件或控制部件来执行。
在一个实施例中，步骤S102具体包括：
向所述调光部件施加外加电压，以改变所述调光部件内部的液晶微粒的光轴取向，在所述液晶微粒趋近于散射形态时，使所述拼接处获得光能量分配，所述外加电压的电压大小在预设电压范围内。
如图4所示，本实施例所提供的显示装置的控制方法还包括：
步骤S103：控制视线追踪部件追踪人眼的视线，以根据所述视线使所述拼接处所获得的光能量分配处于所述视线范围内。
在一个实施例中，调光部件具体可以为液晶调光部件，对应的，步骤S103具体包括：
控制视线追踪部件追踪人眼的视线，根据所述视线调整施加给液晶调光部件的外加电压，以改变液晶调光部件的液晶微粒的光轴取向，使相邻的显示模组的拼接处所获得的光能量分配处于所述视线范围内。
在一个实施例中，步骤S103可以由图3所对应的实施例中的控制部件来执行。
如图5所示，本申请的一个实施例还提供一种显示装置200其包括至少两个显示模组201、至少一个调光部件202和电压调整模块203。
在具体应用中，显示模组的数量可以根据实际需要进行设置，调光部件的数量由显示模组的数量和排布方式决定。图5中示例性的示出三个依次拼接的显示模组201和两个调光部件202。显示模组201包括显示面板、背光模组以及至少一层光学扩散部件，光学扩散部件设置于背光模组的光线出射面，用于对背光模组出射的光线进行光学扩散，以将预设比例的所述光线的出射角度调整至预设角度以上。
在具体应用中，本实施例中的显示模组201即为上述任一实施例所提供的显示模组10，其具体结构如图1、2或3所示，本实施例中不再对其具体结构进行示意。
相邻的显示模组201的拼接处的上方设置一个调光部件202，用于调整拼 接处出射的光线的角度。
在具体应用中，本实施例中的调光部件202即为上述任一实施例中的调光部件20，其具体结构如图2或3所示，本实施例中不再赘述。
电压调整模块203与调光部件202电连接，用于控制调光部件202进一步调整拼接处出射的光线的角度，使相邻的显示模组201的拼接处获得光能量分配。
在一个实施例中，电压调整模块可以为图3所对应的实施例中的控制部件中的软件程序模块。
在一个实施例中，电压调整模块具体用于向所述调光部件施加不同大小的电压，以改变液晶调光部件内部的液晶微粒的光轴取向，在所述液晶微粒趋近于散射形态时，使所述拼接处获得光能量分配。
如图6所示，在一个实施例中，图5所对应的实施例中的显示装置200还包括视线追踪部件204和视线追踪控制模块205。
视线追踪部件204与调光部件202电连接，用于追踪人眼的视线，以根据所述视线使相邻的显示模组201的接处所获得的光能量分配处于所述视线范围内。
在具体应用中，本实施例中的视线追踪部件204即为上述实施例中的视线追踪部件30。
视线追踪控制模块205分别与视线追踪部件204连接，用于控制视线追踪部件204追踪人眼的视线。
在一个实施例中，视线追踪控制模块205可以为图3所对应的实施例中的控制部件中的软件程序模块。
本申请所有实施例中的模块，可以通过通用集成电路，例如CPU(Central Processing Unit，中央处理器)，或通过ASIC(Application Specific Integrated Circuit，专用集成电路)来实现。
本申请实施例方法中的步骤可以根据实际需要进行顺序调整、合并和删减。
本申请实施例系统中的模块可以根据实际需要进行合并、划分和删减。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分流程，是可以通过计算机程序来指令相关的硬件来完成，所述的程序可存储于 一计算机可读取存储介质中，该程序在执行时，可包括如上述各方法的实施例的流程。其中，所述的存储介质可为磁碟、光盘、只读存储记忆体(Read-Only Memory，ROM)或随机存储记忆体(Random Access Memory，RAM)等。
以上所述仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本申请的保护范围之内。

Claims (17)

  1. 一种显示装置，包括：
    至少两个显示模组；以及
    至少一个调光部件，相邻的所述显示模组的拼接处的上方设置一个所述调光部件，用于调整所述拼接处出射的光线的角度，使所述拼接处获得光能量分配；
    其中，所述显示模组包括：
    显示面板；
    背光模组；以及
    至少一层光学扩散部件，设置于所述背光模组的光线出射面，用于对所述背光模组出射的光线进行光学扩散，以将预设比例的所述光线的出射角度调整至预设角度以上。
  2. 如权利要求1所述的显示装置，其中所述调光部件为液晶调光部件，用于根据其接入的外加电压改变其内部的液晶微粒的光轴取向，以在所述液晶微粒趋近于散射形态时，使所述拼接处获得光能量分配，所述外加电压的电压大小在预设电压范围内。
  3. 如权利要求2所述的显示装置，其中所述预设电压范围的下限值大于等于0、所述预设电压范围的上限值小于等于额定液晶驱动电压，所述外加电压在所述预设电压范围内多档可调或线性可调。
  4. 如权利要求1所述的显示装置，其中所述显示装置还包括视线追踪部件，与所述调光部件电连接，用于追踪人眼的视线，以根据所述视线使所述拼接处所获得的光能量分配处于所述视线范围内。
  5. 如权利要求4所述的显示装置，其中所述显示装置还包括视线追踪控制模块，与所述视线追踪部件连接，用于控制所述视线追踪部件追踪人眼的视线。
  6. 如权利要求1所述的显示装置，其中所述显示装置还包括控制部件，分别与所述显示模组和所述调光部件电连接，用于对所述显示模组和所述调光部件的工作状态进行控制。
  7. 如权利要求6所述的显示装置，其中所述控制部件为中央处理器或特定集成电路。
  8. 如权利要求1所述的显示装置，其中所述显示装置还包括遮光部件，设置于所述显示面板的边缘四周，构成所述显示面板的边框和相邻的所述显示模组的拼接处，用于保护所述显示面板的内部电路和元器件。
  9. 一种显示装置的控制方法，包括：
    通过至少一层光学扩散部件对背光模组出射的光线进行光学扩散，以将预设比例的所述光线的出射角度调整至预设角度以上；以及
    控制至少一个调光部件进一步调整所述光线的角度，使相邻的显示模组的拼接处获得光能量分配。
  10. 如权利要求9所述的控制方法，还包括：
    控制视线追踪部件追踪人眼的视线，以根据所述视线使所述拼接处所获得的光能量分配处于所述视线范围内。
  11. 一种显示装置，包括：
    至少两个显示模组，所述显示模组包括显示面板、背光模组以及至少一层光学扩散部件，所述光学扩散部件设置于所述背光模组的光线出射面，用于对所述背光模组出射的光线进行光学扩散，以将预设比例的所述光线的出射角度调整至预设角度以上；
    至少一个调光部件，相邻的所述显示模组的拼接处的上方设置一个所述调光部件，用于调整所述拼接处出射的光线的角度；以及
    电压调整模块，与所述调光部件电连接，用于控制所述调光部件进一步调整所述光线的角度，使所述拼接处获得光能量分配。
  12. 如权利要求11所述的显示装置，其中所述调光部件为液晶调光部件，用于根据其接入的外加电压改变其内部的液晶微粒的光轴取向，以在所述液晶微粒趋近于散射形态时，使所述拼接处获得光能量分配，所述外加电压的电压大小在预设电压范围内。
  13. 如权利要求12所述的显示装置，其中所述预设电压范围的下限值大于等于0、所述预设电压范围的上限值小于等于额定液晶驱动电压，所述外加电压在所述预设电压范围内多档可调或线性可调。
  14. 如权利要求11所述的显示装置，其中所述显示装置还包括：
    视线追踪部件，与所述调光部件电连接，用于追踪人眼的视线，以根据所述视线使所述拼接处所获得的光能量分配处于所述视线范围内；以及
    视线追踪控制模块，与所述视线追踪部件连接，用于控制所述视线追踪部件追踪人眼的视线。
  15. 如权利要求11所述的显示装置，其中所述显示装置还包括控制部件，分别与所述显示模组和所述调光部件电连接，用于对所述显示模组和所述调光部件的工作状态进行控制。
  16. 如权利要求15所述的显示装置，其中所述控制部件为中央处理器或特定集成电路。
  17. 如权利要求11所述的显示装置，其中所述显示装置还包括遮光部件，设置于所述显示面板的边缘四周，构成所述显示面板的边框和相邻的所述显示模组的拼接处，用于保护所述显示面板的内部电路和元器件。
PCT/CN2018/072107 2017-12-19 2018-01-10 显示装置及其控制方法 Ceased WO2019119565A1 (zh)

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CN114627771B (zh) * 2022-03-14 2024-01-19 厦门天马微电子有限公司 一种显示面板和显示装置
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