WO2020113748A1 - 一种显示装置 - Google Patents

一种显示装置 Download PDF

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Publication number
WO2020113748A1
WO2020113748A1 PCT/CN2019/070094 CN2019070094W WO2020113748A1 WO 2020113748 A1 WO2020113748 A1 WO 2020113748A1 CN 2019070094 W CN2019070094 W CN 2019070094W WO 2020113748 A1 WO2020113748 A1 WO 2020113748A1
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WO
WIPO (PCT)
Prior art keywords
display screen
light source
split
backlight structure
structure according
Prior art date
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PCT/CN2019/070094
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English (en)
French (fr)
Inventor
陈盛中
俞刚
李德华
Original Assignee
惠州市华星光电技术有限公司
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Application filed by 惠州市华星光电技术有限公司 filed Critical 惠州市华星光电技术有限公司
Publication of WO2020113748A1 publication Critical patent/WO2020113748A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4122—Peripherals receiving signals from specially adapted client devices additional display device, e.g. video projector

Definitions

  • the present invention relates to the field of display technology, and particularly to a display device.
  • the appearance of TVs is getting thinner and thinner, and the thin design can increase the selling point of products and improve the competitiveness of products.
  • the current TV displays are all integrated backlight structure, which limits the possibility of further thin design.
  • the current TV display has a single function and cannot effectively realize a multi-functional design with multiple functions. Therefore, it is indeed necessary to develop a display device to overcome the defects in the prior art.
  • One aspect of the present invention provides a display device that uses a split-type backlight structure, and the light source is disposed in a space other than the display screen, so that the appearance of the display screen has only a single layer of glass thickness, which can improve the appearance performance of the product.
  • a multifunctional design with multiple functions is realized.
  • the display screen can be used as a projection screen; when the display device is not used, the light source can be operated alone to realize the function of conventional indoor lighting.
  • a display device including a display screen, a light source, and a reflection device.
  • the light source is disposed above the display screen for emitting light; the reflection device is disposed behind the display screen, wherein light emitted by the light source onto the reflection device is reflected by the light source
  • the back of the display is used to implement the backlight function.
  • the thickness of the display screen is 0.5-2.0 mm.
  • the display screen is disposed on a base. It can be set to a certain tilt angle, or a base with a rotating function can easily turn the display screen for viewing by the audience, and the tilt angle is preferably set to 90 degrees.
  • the light source is arranged in a strip shape parallel to the display screen, and the length of the light source ⁇ the side length of the display screen.
  • the light source is preferably an LED, a fluorescent lamp, or the like.
  • angle between the central axis of the light exit lens of the light source and the horizontal plane is 30-60 degrees.
  • the horizontal distance between the reflecting device and the display screen is 100-1000 mm.
  • the reflecting surface of the reflecting device is designed as a corresponding curved surface according to the incident path of the light emitted by the light source onto the reflecting device, thereby further uniformly reflecting the light emitted by the light source to the back of the display screen To achieve the backlight function. Under the backlight, the viewer can view the image from the screen.
  • the display screen can be used as a projection screen. This split design can facilitate the use of the display screen in conjunction with prior art projection equipment.
  • the light source rotates by driving the light source to rotate through a motor, which is used to illuminate the space in front of the display screen.
  • the light source can be used as a conventional indoor lighting source.
  • the external control device can be an infrared remote control device, which can facilitate the control of light sources at high or long distances and facilitate operation.
  • the present invention provides a display device that uses a split-type backlight structure, and the light source is arranged in a space other than the display screen, so that the display screen has only a single layer of glass thickness, which can improve the appearance of the product performance.
  • a multifunctional design with multiple functions is realized.
  • the display screen can be used as a projection screen; when the display device is not used, the light source can be operated alone to realize the function of conventional indoor lighting.
  • the backlight structure is a split type to save assembly steps
  • the assembly process of the LCD TV is simplified to reduce the production cost, and the phenomenon that some components are damaged and the whole machine needs to be replaced can be avoided, which reduces the maintenance cost.
  • FIG. 1 is a schematic structural view of a split backlight structure according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural view of a reflective device with a split backlight structure according to an embodiment of the present invention disposed behind a display screen;
  • FIG. 3 is a schematic structural view of a reflective device with a split backlight structure according to an embodiment of the present invention disposed behind and above the display screen;
  • FIG. 4 is a schematic view of using a light source with a split backlight structure according to an embodiment of the present invention as an indoor illumination light source.
  • an embodiment of the present invention provides a display device including a display screen 1, a light source 3 and a reflection device 4.
  • the light source 3 is disposed above the display screen 1 for emitting light;
  • the reflection device 4 is disposed behind the display screen 1, wherein the light source 3 emits light onto the reflection device 4, It will be reflected to the back of the display screen 1 to realize the backlight function.
  • the thickness of the display screen 1 is 0.5 ⁇ 2.0mm. Preferably, the thickness of the display screen 1 is 1.5 mm.
  • the display screen 1 is set on a base 2. It can be set to a certain inclination angle, or the base 2 with a rotation function can easily turn the display screen 1 to facilitate viewing by the audience, and the inclination angle is preferably set to 90 degrees.
  • the light source 3 is arranged in a strip shape parallel to the display screen 1, and the length of the light source 3 ⁇ the side length of the display screen 1.
  • the light source 3 is preferably an LED, a fluorescent lamp, or the like.
  • the angle between the central axis of the light-emitting lens of the light source 3 and the horizontal plane is 30-60 degrees.
  • the horizontal distance between the reflecting device 4 and the display screen 1 is 100-1000 mm.
  • the reflective device 4 is disposed behind or above the LCD screen 1.
  • the reflecting surface of the reflecting device 4 is designed as a corresponding curved surface according to the incident path of the light emitted by the light source 3 onto the reflecting device 4, and then the light emitted by the light source 3 is reflected uniformly to the display screen 1 Backside, so as to realize the backlight function. Under the backlight, the viewer can view the image from the screen.
  • the reflecting device 4 may be composed of a plurality of strip-shaped reflecting mirrors with a planar structure, so as to facilitate the adjustment of the reflected light. When it is in the position shown in FIG. 3, the curved surface of the reflecting surface of the reflecting device 4 is 0, that is, a plane.
  • the display screen 1 can be used as a projection screen. This split design can facilitate the use of the display screen 1 in conjunction with prior art projection equipment.
  • the light source 3 rotates by driving the light source 3 to rotate by the motor 5, which is used for lighting the space in front of the display screen 1.
  • the light source 3 can be used as a conventional indoor lighting source.
  • the manner in which the motor 5 drives the light source 3 to rotate is that the motor 5 is controlled to be driven by an external control device 6.
  • the external control device 6 may be an infrared remote control device, which can facilitate the control of light sources at high or long distances and facilitate operation.
  • the present invention provides a display device that uses a split-type backlight structure, and the light source is arranged in a space other than the display screen, so that the display screen has only a single layer of glass thickness, which can improve the appearance of the product performance.
  • a multifunctional design with multiple functions is realized.
  • the display screen can be used as a projection screen; when the display device is not used, the light source can be operated alone to realize the function of conventional indoor lighting.
  • the backlight structure is a split type to save assembly steps
  • the assembly process of the LCD TV is simplified to reduce the production cost, and the phenomenon that some components are damaged and the whole machine needs to be replaced can be avoided, which reduces the maintenance cost.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)

Abstract

一种显示装置，包括显示屏(1)、光源(3)和反射装置(4)。光源(3)设置于显示屏(1)的上方，用于发射光线；反射装置(4)设置在显示屏(1)的后方，光源(3)发射到反射装置(4)上的光，会被其反射至显示屏(1)的背面用于实现背光功能。通过显示装置采用分体式背光结构，将光源(3)设置于显示屏(1)以外的空间，使得显示屏(1)外观只具单层玻璃厚度，可提高产品的外观性能。另一方面实现了一机多用的多功能设计，当光源(3)关闭时，显示屏(1)可做投影屏幕；当不使用显示装置的时候，光源(3)可单独操作实现作为常规室内照明功能。进一步的，由于背光结构为分体式节省组装步骤，降低了生产和维修成本。

Description

一种显示装置 技术领域
本发明涉及显示技术领域，特别涉及一种显示装置。
 背景技术
目前电视外观变得越来越薄，薄型化设计能增加产品卖点，提高产品竞争力。当前的电视显示器均为一体式背光结构，限制了其进一步薄型化设计的可能。
另外，当前的电视显示器作用单一，不能有效实现一机多用的多功能设计，因此，确有必要来开发一种显示装置，来克服现有技术中的缺陷。
 技术问题
本发明一个方面提出一种显示装置，其采用分体式背光结构，将光源设置于显示屏以外的空间，使得显示屏外观只具单层玻璃厚度，可提高产品的外观性能。另一方面实现了一机多用的多功能设计，当所述光源关闭时，显示屏可做投影屏幕；当不使用显示装置的时候，光源可单独操作实现作为常规室内照明功能。
 技术解决方案
为了实现上述目的，本发明采用了如下的技术方案：
本发明的一实施例中，提供一种显示装置包括显示屏、光源和反射装置。所述光源设置于所述显示屏的上方，用于发射光线；所述反射装置设置在所述显示屏的后方，其中所述光源发射到所述反射装置上的光，会被其反射至所述显示屏的背面用于实现背光功能。
进一步的，其中所述显示屏厚度为0.5~2.0mm。
进一步的，其中所述显示屏设置于一底座上。其可以设置成一定的倾斜角度，或者具有旋转功能的底座方便转动所述显示屏便于观众观看，倾斜角度优选设置为90度。
进一步的，其中所述光源呈长条形与所述显示屏平行设置，所述光源长度≤所述显示屏的边长长度。所述光源优选LED、荧光灯等。
进一步的，其中所述光源的出光镜头的中轴线与水平面夹角为30~60度。
进一步的，其中所述反射装置与所述显示屏的水平距离为100~1000mm。
进一步的，其中所述反射装置的反射面按所述光源发射到所述反射装置上的光的入射路径设计成相应的曲面，进而将所述光源发射的光线均匀反射到所述显示屏的背面，从而实现背光功能。在背光作用下，观众可从屏幕观看到图像。
进一步的，当所述光源关闭时，所述显示屏可做投影屏幕。这样分体设计可便于所述显示屏配合现有技术的投影设备一起使用。
进一步的，其中所述光源转动的方式是通过马达驱动所述光源转动，用于所述显示屏前方空间照明。一般为当关闭液晶电视，该光源可作为常规室内照明光源使用。
进一步的，其中所述通过马达驱动所述光源转动的方式为通过外部控制装置控制所述马达驱动。外部控制装置可以是红外线遥控装置，可便于高距离或远距离的光源控制，方便操作。
 有益效果
区别于现有技术的情况，本发明通过提供一种显示装置，其采用分体式背光结构，将光源设置于显示屏以外的空间，使得显示屏外观只具单层玻璃厚度，可提高产品的外观性能。另一方面实现了一机多用的多功能设计，当所述光源关闭时，显示屏可做投影屏幕；当不使用显示装置的时候，光源可单独操作实现作为常规室内照明功能。
进一步的，由于背光结构为分体式节省组装步骤，简化液晶电视的组装工艺从而降低了生产成本，也可以避免部分组件损坏需更换整机的现象出现，降低了维修成本。
 附图说明
图1 是本发明一种实施方式的分体式背光结构的结构示意图；
图2 是本发明一种实施方式的分体式背光结构的反射装置设置于显示屏后方的结构示意图；
图3 是本发明一种实施方式的分体式背光结构的反射装置设置于显示屏后上方的结构示意图；
图4 是本发明一种实施方式的分体式背光结构的光源作为室内照明光源使用示意图。
图中部件标识如下：
1显示屏、2底座、3光源、
4反射装置、5马达、6外部控制装置。
 本发明的最佳实施方式
以下各实施例的说明是参考附加的图示，用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语，例如[上]、[下]、[前]、[后]、[左]、[右]、[内]、[外]、[侧面]等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。
请参阅图1所示，本发明的一实施例中提供一种显示装置包括显示屏1、光源3和反射装置4。所述光源3设置于所述显示屏1的上方，用于发射光线；所述反射装置4设置在所述显示屏1的后方，其中所述光源3发射到所述反射装置4上的光，会被其反射至所述显示屏1的背面用于实现背光功能。
其中所述显示屏1厚度为0.5~2.0mm。优选所述显示屏1厚度为1.5mm。
其中所述显示屏1设置于一底座2上。其可以设置成一定的倾斜角度，或者具有旋转功能的底座2方便转动所述显示屏1便于观众观看，倾斜角度优选设置为90度。
其中所述光源3呈长条形与所述显示屏1平行设置，所述光源3长度≤所述显示屏1的边长长度。所述光源3优选LED、荧光灯等。
其中所述光源3的出光镜头的中轴线与水平面夹角为30~60度。
其中所述反射装置4与所述显示屏1的水平距离为100~1000mm。
请参阅图2、图3所示，所述反射装置4设置于液晶屏幕1后方或后上方。所述反射装置4的反射面按所述光源3发射到所述反射装置4上的光的入射路径设计成相应的曲面，进而将所述光源3发射的光线均匀反射到所述显示屏1的背面，从而实现背光功能。在背光作用下，观众可从屏幕观看到图像。所述反射装置4可以为多个平面结构的长条形反射镜面构成，以便于反射光线的调节。当为图3所示位置时，所述反射装置4的反射面的曲面度为0，即为平面。
当所述光源3关闭时，所述显示屏1可做投影屏幕。这样分体设计可便于所述显示屏1配合现有技术的投影设备一起使用。
请参阅图2、图3、图4所示，所述光源3转动的方式是通过马达5驱动所述光源3转动，用于所述显示屏1前方空间照明。一般为当关闭液晶电视，该光源3可作为常规室内照明光源使用。
其中所述通过马达5驱动所述光源3转动的方式为通过外部控制装置6控制所述马达5驱动。外部控制装置6可以是红外线遥控装置，可便于高距离或远距离的光源控制，方便操作。
区别于现有技术的情况，本发明通过提供一种显示装置，其采用分体式背光结构，将光源设置于显示屏以外的空间，使得显示屏外观只具单层玻璃厚度，可提高产品的外观性能。另一方面实现了一机多用的多功能设计，当所述光源关闭时，显示屏可做投影屏幕；当不使用显示装置的时候，光源可单独操作实现作为常规室内照明功能。
进一步的，由于背光结构为分体式节省组装步骤，简化液晶电视的组装工艺从而降低了生产成本，也可以避免部分组件损坏需更换整机的现象出现，降低了维修成本。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。

Claims (10)

  1. 一种显示装置，其特征在于，包括：
    一显示屏；
    一光源，设置于所述显示屏的上方，用于发射光线；
    一反射装置，所述反射装置设置在所述显示屏的后方，其中所述光源发射到所述反射装置上的光，会被其反射至所述显示屏的背面用于实现背光功能。
  2. 根据权利要求1所述的分体式背光结构，其特征在于，所述显示屏厚度为0.5~2.0mm。
  3. 根据权利要求1所述的分体式背光结构，其特征在于，所述显示屏
    设置于一底座上。
  4. 根据权利要求1所述的分体式背光结构，其特征在于，所述光源呈长条形与所述显示屏平行设置，所述光源长度≤所述显示屏的边长长度。
  5. 根据权利要求1所述的分体式背光结构，其特征在于，所述光源的出光镜头的中轴线与水平面夹角为30~60度。
  6. 根据权利要求1所述的分体式背光结构，其特征在于，所述反射装置与所述显示屏的水平距离为100~1000mm。
  7. 根据权利要求1所述的分体式背光结构，其特征在于，所述反射装置的反射面按所述光源发射到所述反射装置上的光的入射路径设计成相应的曲面，进而将所述光源发射的光线均匀反射到所述显示屏的背面。
  8. 根据权利要求1所述的分体式背光结构，其特征在于，当所述光源关闭时，所述显示屏可做投影屏幕。
  9. 根据权利要求1所述的分体式背光结构，其特征在于，所述光源转动的方式是通过马达驱动所述光源转动，用于所述显示屏前方空间照明。
  10. 根据权利要求8所述的分体式背光结构，其特征在于，所述通过马达驱动所述光源转动的方式为通过外部控制装置控制所述马达驱动。
PCT/CN2019/070094 2018-12-03 2019-01-02 一种显示装置 WO2020113748A1 (zh)

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