WO2021017070A1 - 显示装置 - Google Patents

显示装置 Download PDF

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Publication number
WO2021017070A1
WO2021017070A1 PCT/CN2019/102598 CN2019102598W WO2021017070A1 WO 2021017070 A1 WO2021017070 A1 WO 2021017070A1 CN 2019102598 W CN2019102598 W CN 2019102598W WO 2021017070 A1 WO2021017070 A1 WO 2021017070A1
Authority
WO
WIPO (PCT)
Prior art keywords
plate
display device
side plate
bottom plate
boss
Prior art date
Application number
PCT/CN2019/102598
Other languages
English (en)
French (fr)
Inventor
肖士元
Original Assignee
武汉华星光电技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 武汉华星光电技术有限公司 filed Critical 武汉华星光电技术有限公司
Priority to US16/631,171 priority Critical patent/US10914974B1/en
Publication of WO2021017070A1 publication Critical patent/WO2021017070A1/zh

Links

Classifications

    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133314—Back frames
    • 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
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133317—Intermediate frames, e.g. between backlight housing and front frame
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133322—Mechanical guidance or alignment of LCD panel support components
    • 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
    • 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
    • G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • 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
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133331—Cover glasses
    • 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
    • G02F2202/00—Materials and properties
    • G02F2202/28—Adhesive materials or arrangements

Definitions

  • the present invention relates to the field of display technology, and in particular to a display device.
  • the reliability of the display panel directly affects the quality of the display device, especially the display device used in industrial and automotive products, especially for automotive products.
  • the cover plate of the automotive display device is often separated from the display panel.
  • the adopted solutions include tape fixation and glue dispensing. Among them, the glue dispensing process is more and more used in vehicle display devices because of its good sealing and adhesion.
  • the basic structure of the existing vehicle-mounted display device includes a display panel, a backlight module, and a cover plate arranged on the display panel.
  • the backlight module includes a bracket.
  • the bracket and the cover plate are glued through an adhesive layer (usually glue). Attached, in order to achieve the purpose of fixing the display device, however, due to the fluidity of the adhesive layer, it is easy to enter the inside of the display device, thereby affecting product performance and reducing product life.
  • the present invention provides a display device, which solves the problem of the existing display device. Because the adhesive layer provided between the cover plate and the bracket has fluidity, it is easy to enter the module display device, thereby affecting product performance and reducing product life. Technical issues.
  • An embodiment of the present invention provides a display device, including a display panel, a backlight module, and a cover plate disposed on the display panel;
  • the backlight module includes a bracket, and the bracket includes a first bottom plate and a The first side plate connected to the bottom plate;
  • a bonding layer is coated between the cover plate and the display panel to fit the cover plate and the display panel; an adhesive layer is provided between the first side plate and the cover plate Layer to fit the first side plate and the cover plate; a limit part is provided on the first side plate/the cover plate close to the adhesive layer to prevent the adhesive layer from flowing into the Inside the display device.
  • the limiting portion is disposed on an end surface of the first side plate close to the cover plate.
  • the limiting portion includes a boss provided on an end surface of the first side plate close to the cover plate, and the boss is close to the inner side wall of the first side plate One side is kept flush with the inner side wall of the first side plate.
  • a groove is provided on a side of the cover plate close to the display panel, and the boss and the groove are matched with each other.
  • the boss and the first side plate are integrally formed.
  • the first side plate is arranged around the peripheral side of the first bottom plate, and a receiving cavity is formed between the first side plate, the first bottom plate, and the cover plate ,
  • the display panel and the backlight module are both located in the receiving cavity.
  • the backlight module further includes a reflective sheet, a light guide plate, and an optical film stacked in the receiving cavity from bottom to top, wherein the reflective sheet, the guide The light plate and the optical film are both parallel to the first bottom plate, and the reflection sheet is fixedly arranged on the first bottom plate.
  • the display device further includes a middle frame, the middle frame includes a second bottom plate and a second side plate connected to the second bottom plate, wherein the second side plate is located at Between the display panel and the inner side wall of the first side plate, the display panel is fixedly arranged on the second bottom plate.
  • An embodiment of the present invention provides a display device, including a display panel, a backlight module, and a cover plate disposed on the display panel;
  • the backlight module includes a bracket, and the bracket includes a first bottom plate and a The first side plate connected to the bottom plate;
  • an adhesive layer is provided between the first side plate and the cover plate to fit the first side plate and the cover plate; on the first side plate/close to the adhesive layer
  • a limit part is provided on the cover to prevent the adhesive layer from flowing into the inside of the display device.
  • the limiting portion is disposed on an end surface of the first side plate close to the cover plate.
  • the limiting portion includes a boss provided on an end surface of the first side plate close to the cover plate, and the boss is close to the inner side of the first side plate One side of the wall is kept flush with the inner side wall of the first side plate.
  • a groove is provided on a side of the cover plate close to the display panel, and the boss and the groove cooperate with each other.
  • the boss and the first side plate are integrally formed.
  • the height of the boss is 0.1-0.5 mm; the width of the boss 501 is more than 0.8 mm.
  • a magnetic member is respectively provided on the end surface of the first side plate corresponding to the boss and the lower end surface of the boss.
  • the first side plate is arranged around the peripheral side of the first bottom plate, and a receiving space is formed between the first side plate, the first bottom plate and the cover plate. Cavity, the display panel and the backlight module are both located in the containing cavity.
  • the backlight module further includes a reflective sheet, a light guide plate, and an optical film laminated in the receiving cavity from bottom to top, wherein the reflective sheet, the The light guide plate and the optical film are both parallel to the first bottom plate, and the reflection sheet is fixedly arranged on the first bottom plate.
  • the display device further includes a middle frame, the middle frame includes a second bottom plate and a second side plate connected to the second bottom plate, wherein the second side plate Located between the display panel and the inner side wall of the first side plate, the display panel is fixedly arranged on the second bottom plate.
  • the adhesive layer is formed of a fluid viscous material.
  • the display device is a vehicle-mounted display device.
  • the display device provided by the present invention is provided with a limit part on the support of the backlight module to block the adhesive layer used for adhesion between the cover and the support during the dispensing process Into the display device, thereby eliminating the risk of the adhesive layer entering the display device and affecting the display performance, improving the user experience, and increasing the market competitiveness of the product.
  • FIG. 1 is a schematic side sectional view of a structure of a display device according to an embodiment of the present invention
  • FIG. 2A is a schematic diagram of the position structure of the first type of limiting portion according to an embodiment of the present invention
  • 2B is a schematic diagram of the position structure of the second type of limiting portion provided by an embodiment of the present invention.
  • FIG. 2C is a schematic diagram of the position structure of a third type of limiting portion provided by an embodiment of the present invention.
  • the present invention is directed to the display device of the prior art. Since the adhesive layer provided between the cover plate and the bracket has fluidity, it is easy to enter the inside of the display device, thereby affecting the product performance. This embodiment can solve this defect.
  • the display device provided by the embodiment of the present invention includes a display panel 10, a backlight module 20 and a cover plate 30 arranged on the display panel 10.
  • the display panel 10 includes a lower polarizer 101, an array substrate 102, a color filter substrate 103, and an upper polarizer 104 stacked in sequence from bottom to top, and the array substrate 102 and the color filter substrate 103 are arranged in an opposite manner.
  • the array substrate 102 may be a low temperature poly-silicon (LTPS) array substrate; further, the display panel 10 may be a touch display panel, and further includes a touch screen body ( Not shown in the figure).
  • LTPS low temperature poly-silicon
  • the material of the cover plate 30 is glass to protect the display panel 10.
  • a bonding layer 60 is coated between the cover plate 30 and the display panel 10 to adhere to the The cover plate 30 and the display panel 10, and the bonding layer 60 may be made of materials such as optical clear resin (OCR) or optically clear adhesive (OCA).
  • OCR optical clear resin
  • OCA optically clear adhesive
  • the backlight module 20 includes a bracket 201, the bracket 201 includes a first bottom plate 2011 and a first side plate 2012 connected to the first bottom plate 2011, and the first bottom plate 2011 is located on the backlight module 20.
  • the back side of the back side is used to support and protect the backlight module 20;
  • the first side plate 2012 is arranged around the peripheral side of the first bottom plate 2011, and the first side plate 2012 and the first bottom plate 2011 are mutually Vertical;
  • a receiving cavity 40 is formed between the first side plate 2012 and the first bottom plate 2011, and the display panel 10 and the backlight module 20 are both located in the receiving cavity 40.
  • an adhesive layer 70 is provided between the first side plate 2012 and the cover plate 30 to adhere to the first side plate 2012 and the cover plate 30, and is close to the adhesive layer 70.
  • the end surface of the first side plate 2012 is provided with a limiting portion 50 to prevent the adhesive layer 70 from flowing into the interior of the display device, and the interior of the display device includes the receiving cavity 40.
  • the inner side wall of the first side plate 2012 is the side of the first side plate 2012 close to the display panel 10.
  • the adhesive layer 70 is formed of a fluid viscous material.
  • the material of the adhesive layer 70 is glue. Since the glue has fluidity, the adhesive layer 70 The limiting portion 50 is provided on one side, which can effectively prevent the adhesive layer 70 from flowing into the interior of the display device, and eliminates the risk of the adhesive layer 70 affecting the display performance of the display device.
  • the limiting portion 50 is disposed on the end surface of the first side plate 2012 close to the cover plate 30, and the limiting portion 50 includes
  • the side plate 2012 is close to the boss 501 on the end surface of the cover plate 30, wherein the upper surface of the boss and the lower surface of the cover plate 30 maintain a seamless and close fit, and the boss 501 is close to the first
  • One side of the inner side wall of the side plate 2012 is kept flush with the inner side wall of the first side plate 2012 to ensure the maximum coating area of the adhesive layer 70, thereby ensuring that the cover plate 30 and the
  • the stability of the adhesion between the brackets 201 further improves the stability of the entire display device.
  • the limiting portion 50 may also be provided on the end surface of the cover plate 30 close to the first side plate 2012. Accordingly, the limiting portion 50 includes The cover plate 30 is close to the boss 501 on the end surface of the first side plate 2012, and the lower surface of the boss 501 and the upper surface of the first side plate 2012 are kept in a seamless and tight fit. I will not repeat them here.
  • the cross-sectional shape of the bracket 201 is in the shape of " ⁇ ", and the dispensing area is also in the shape of " ⁇ ”, so the cross-sectional shape of the limiting portion 50 is also in the shape of " ⁇ ", that is, The limiting portion 50 is disposed in the surrounding area of the display device.
  • the cross-sectional shape of the boss 501 is a rectangle.
  • the cross-sectional shape of the boss 501 can also be other shapes, such as trapezoid, triangle, circle, Oval and other shapes.
  • the height of the boss 501 is 0.1-0.5 mm; the width of the boss 501 is more than 0.8 mm.
  • the boss 501 is integrally formed with the first side plate 2012, wherein the preparation materials of the boss 501 and the first side plate 2012 include but are not limited to sheet metal or aluminum alloy. It should be noted that The boss 501 and the first side plate 2012 may also be separate structures. After the two are separately prepared and formed, the boss 501 is attached to the first side plate by welding or movable connection assembly. 2012 on the side board.
  • the cover plate 30 is provided with a groove 301 on a side close to the display panel 10, and the upper end of the boss 501 is matched with the groove 301, wherein the concave
  • the groove 301 is provided corresponding to the boss 501.
  • another groove 302 may be provided on the end surface of the first side plate 2012 on the side close to the cover plate 30, and the lower end of the boss 501 and the other groove 302 are mutually Fit, wherein the other groove 302 is provided corresponding to the boss 501, when the boss 501 has problems such as wear and stains, the boss 501 can be taken out separately from the bracket 201 at any time Replacement or cleaning is performed without replacing the bracket 201, which is more convenient and reduces production costs.
  • magnetic parts may be respectively provided on the end surface of the first side plate 2012 corresponding to the boss 501 and the lower end surface of the boss 501, The boss 501 and the first side plate 2012 are attracted to each other by the magnetic member to achieve bonding.
  • the backlight module further includes a reflective sheet 202, a light guide plate 203, an optical film, and a light source 207 stacked in the receiving cavity from bottom to top.
  • the optical film set specifically includes a diffuser 204 , The lower prism sheet 205 and the upper prism sheet 206, wherein the reflective sheet 202, the light guide plate 203, and the optical film set are all parallel to the first bottom plate 2011, and the reflective sheet 202 is fixedly arranged on the The first bottom plate 2011; in the embodiment of the present invention, the light source 207 is fixedly disposed on the inner side wall of the first side plate 2012, and the light guide plate 203 is close to the inner side wall of the first side plate 2012 The side surface is a light-incident surface, and the upper end surface of the light guide plate 203 is a light-emitting surface.
  • the display device further includes a middle frame 80, the middle frame 80 is located in the accommodating cavity 40, the middle frame 80 includes a second bottom plate 801 and a second side plate 802 connected to the second bottom plate 801, wherein The second bottom plate 801 is located on the back side of the display panel 10, and the display panel 10 is fixedly disposed on the second bottom plate 801 through an adhesive layer 90 to maintain the stability of the display panel 10.
  • the glue layer 90 can be formed by using double-sided foam glue; the second side plate 802 is located between the display panel 10 and the inner side wall of the first side plate 2012, and the second side plate 802 is The second bottom plates 801 are perpendicular to each other, and the second side plates 802 are parallel to the first side plates 2012,
  • the middle frame 80 can be made of plastic material, and the hardness of the middle frame 80 is less than the hardness of the bracket 201.
  • the adhesive layer 70 when the adhesive layer 70 flows out to the outside of the display device, under normal circumstances, it can be cleaned by wiping. Of course, further, it can also be cleaned when the adhesive layer 70 is close to the first One side of the outer side wall of the side plate 2012 is provided with another limiting portion to prevent the adhesive layer 70 from flowing out of the display device.
  • the limiting portion is the same as the limiting portion 50 described in the above embodiment. The same, I won't repeat them here.
  • the display device can be a vehicle-mounted display device, which can meet the requirements of the vehicle environment for shaking and fixing.
  • the display device can also be applied to any display device among mobile phones, tablet computers, and handheld smart devices.
  • the embodiments of the invention should not be limited to this.
  • a limit part is provided on the support of the backlight module to prevent the adhesive layer used to adhere between the cover and the support during the dispensing process from entering To the inside of the display device, the risk of the adhesive layer entering the inside of the display device affecting the display performance is eliminated, the user experience is improved, and the market competitiveness of the product is increased.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

一种显示装置，包括显示面板（10）、背光模组（20）以及盖板（30），背光模组（20）包括支架（201），支架（201）包括第一底板（2011）以及与第一底板（2011）连接的第一侧板（2012），其中，第一侧板（2012）和盖板（30）之间设置有粘接层（70）以贴合第一侧板（2012）和盖板（30）；在靠近粘接层（70）的第一侧板（2012）/盖板（30）上设置有限位部（50）以阻隔粘接层（70）流入显示装置内部，提升了用户体验，增加了产品的市场竞争力。

Description

显示装置 技术领域
本发明涉及显示技术领域，尤其涉及一种显示装置。
 背景技术
显示面板作为显示装置的重要部件，其可靠性直接影响显示装置的品质，特别是应用在工业及车载产品上的显示装置，尤其针对车载产品，目前车载显示装置的盖板与显示面板之间常采用的方案包括胶带固定及点胶固定的方式，其中点胶工艺由于具有良好的密封性及粘附性，越来越多的应用于车载显示装置中。
现有的车载显示装置的基本架构包括显示面板、背光模组以及设置于显示面板上的盖板，其中背光模组包括支架，支架与盖板之间通过粘接层（通常为胶水）进行粘附，以达到固定显示装置的目的，然而由于粘接层具有可流动性，易进入显示装置内部，从而影响产品性能，降低产品寿命。
综上所述，需要提供一种新的显示装置，来解决上述技术问题。
 技术问题
本发明提供一种显示装置，解决了现有的显示装置，由于设置于盖板与支架之间的粘接层具有可流动性，易进入模组显示装置内部，从而影响产品性能，降低产品寿命的技术问题。
 技术解决方案
为解决上述问题，本发明提供的技术方案如下：
本发明实施例提供一种显示装置，包括显示面板、背光模组以及设置于所述显示面板上的盖板；所述背光模组包括支架，所述支架包括第一底板以及与所述第一底板连接的第一侧板；
其中，所述盖板与所述显示面板之间涂覆有贴合层，以贴合所述盖板与所述显示面板；所述第一侧板和所述盖板之间设置有粘接层以贴合所述第一侧板和所述盖板；在靠近所述粘接层的所述第一侧板/所述盖板上设置有限位部以阻隔所述粘接层流入所述显示装置内部。
根据本发明实施例提供的显示装置，所述限位部设置于所述第一侧板靠近所述盖板的端面上。
根据本发明实施例提供的显示装置，所述限位部包括设置于所述第一侧板靠近所述盖板的端面上的凸台，所述凸台靠近所述第一侧板的内侧壁的一侧与所述第一侧板的内侧壁保持平齐。
根据本发明实施例提供的显示装置，所述盖板靠近所述显示面板的一侧设置有凹槽，所述凸台与所述凹槽相互配合。
根据本发明实施例提供的显示装置，所述凸台与所述第一侧板一体成型。
根据本发明实施例提供的显示装置，所述第一侧板围绕所述第一底板的周侧设置，所述第一侧板、所述第一底板以及所述盖板之间形成一容纳腔，所述显示面板和所述背光模组均位于所述容纳腔内。
根据本发明实施例提供的显示装置，所述背光模组还包括从下至上依次层叠设置于所述容纳腔内的反射片、导光板以及光学膜片，其中，所述反射片、所述导光板以及所述光学膜片均平行于所述第一底板，所述反射片固定设置于所述第一底板上。
根据本发明实施例提供的显示装置，所述显示装置还包括中框，所述中框包括第二底板以及与所述第二底板连接的第二侧板，其中，所述第二侧板位于所述显示面板与所述第一侧板的内侧壁之间，所述显示面板固定设置于所述第二底板上。
本发明实施例提供一种显示装置，包括显示面板、背光模组以及设置于所述显示面板上的盖板；所述背光模组包括支架，所述支架包括第一底板以及与所述第一底板连接的第一侧板；
其中，所述第一侧板和所述盖板之间设置有粘接层以贴合所述第一侧板和所述盖板；在靠近所述粘接层的所述第一侧板/所述盖板上设置有限位部以阻隔所述粘接层流入所述显示装置内部。
根据本发明实施例所述的显示装置，所述限位部设置于所述第一侧板靠近所述盖板的端面上。
根据本发明实施例所述的显示装置，所述限位部包括设置于所述第一侧板靠近所述盖板的端面上的凸台，所述凸台靠近所述第一侧板的内侧壁的一侧与所述第一侧板的内侧壁保持平齐。
根据本发明实施例所述的显示装置，所述盖板靠近所述显示面板的一侧设置有凹槽，所述凸台与所述凹槽相互配合。
根据本发明实施例所述的显示装置，所述凸台与所述第一侧板一体成型。
根据本发明实施例所述的显示装置，所述凸台的高度为为0.1～0.5毫米；所述凸台501的宽度在0.8毫米以上。
根据本发明实施例所述的显示装置，在与所述凸台对应的所述第一侧板的端面上以及所述凸台的下端面上分别设置有磁性件。
根据本发明实施例所述的显示装置，所述第一侧板围绕所述第一底板的周侧设置，所述第一侧板、所述第一底板以及所述盖板之间形成一容纳腔，所述显示面板和所述背光模组均位于所述容纳腔内。
根据本发明实施例所述的显示装置，所述背光模组还包括从下至上依次层叠设置于所述容纳腔内的反射片、导光板以及光学膜片，其中，所述反射片、所述导光板以及所述光学膜片均平行于所述第一底板，所述反射片固定设置于所述第一底板上。
根据本发明实施例所述的显示装置，所述显示装置还包括中框，所述中框包括第二底板以及与所述第二底板连接的第二侧板，其中，所述第二侧板位于所述显示面板与所述第一侧板的内侧壁之间，所述显示面板固定设置于所述第二底板上。
根据本发明实施例所述的显示装置，所述粘接层由流动性的粘性材料形成。
根据本发明实施例所述的显示装置，所述显示装置为车载显示装置。
 有益效果
本发明的有益效果为：本发明提供的显示装置，通过在背光模组的支架上设置限位部，以阻隔在进行点胶工序时用于盖板与支架之间进行粘附的粘接层进入到显示装置内部，从而消除了粘接层进入显示装置内部影响显示性能的风险，提升了用户体验，增加了产品的市场竞争力。
 附图说明
为了更清楚地说明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单介绍，显而易见地，下面描述中的附图仅仅是发明的一些实施例，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为本发明实施例提供的一种显示装置的侧面剖视结构示意图；
图2A为本发明实施例提供的第一种限位部的位置结构示意图；
图2B为本发明实施例提供的第二种限位部的位置结构示意图；
图2C为本发明实施例提供的第三种限位部的位置结构示意图。
 本发明的实施方式
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。在图中，结构相似的单元是用以相同标号表示。
本发明针对现有技术的显示装置，由于设置于盖板与支架之间的粘接层具有可流动性，易进入显示装置内部，从而影响产品性能，本实施例能够解决该缺陷。
参照图1，本发明实施例提供的显示装置，包括显示面板10、背光模组20以及设置于所述显示面板10上的盖板30。
其中，所述显示面板10包括从下至上依次层叠设置的下偏光片101、阵列基板102、彩膜基板103以及上偏光片104，所述阵列基板102与所述彩膜基板103对合设置，所述阵列基板102可为低温多晶硅(Low Temperature Poly-silicon，LTPS)阵列基板；进一步地，所述显示面板10可为触摸显示面板，还包括设置于所述上偏光片104上方的触摸屏体（图中未示出）。
其中，所述盖板30的材料为玻璃，用以保护所述显示面板10，具体地，所述盖板30与所述显示面板10之间涂覆有贴合层60，以贴合所述盖板30与所述显示面板10，所述贴合层60可为光学透明树脂胶(Optical Clear Resin，OCR)或光学透明胶（Optically Clear Adhesive，OCA）等材料。
其中，所述背光模组20包括支架201，所述支架201包括第一底板2011以及与所述第一底板2011连接的第一侧板2012，所述第一底板2011位于所述背光模组20的背侧，用以支撑和保护所述背光模组20；所述第一侧板2012围绕所述第一底板2011的周侧设置，所述第一侧板2012与所述第一底板2011相互垂直；所述第一侧板2012与所述第一底板2011之间形成一容纳腔40，所述显示面板10和所述背光模组20均位于所述容纳腔40内。
其中，所述第一侧板2012和所述盖板30之间设置有粘接层70以贴合所述第一侧板2012和所述盖板30，在靠近所述粘接层70的所述第一侧板2012的端面上设置有限位部50以阻隔所述粘接层70流入所述显示装置内部，所述显示装置内部包括所述容纳腔40。
需要说明的是，所述第一侧板2012的内侧壁为所述第一侧板2012靠近所述显示面板10的一侧。
具体地，所述粘接层70由流动性的粘性材料形成，在本发明实施例中，所述粘接层70的材料为胶水，由于胶水具有可流动性，通过在所述粘接层70一侧设置所述限位部50，可有效阻隔所述粘接层70流入所述显示装置内部，消除了所述粘接层70影响所述显示装置的显示性能的风险。
同时参考图2A，在本发明实施例中，所述限位部50设置于所述第一侧板2012靠近所述盖板30的端面上，所述限位部50包括设置于所述第一侧板2012靠近所述盖板30的端面上的凸台501，其中所述凸台的上表面与所述盖板30下表面保持无缝紧密贴合，且所述凸台501靠近所述第一侧板2012的内侧壁的一侧与所述第一侧板2012的内侧壁保持平齐，以保证所述粘接层70的最大涂覆面积，从而确保了所述盖板30与所述支架201之间粘附的稳定性，进而提高了整个所述显示装置的稳定性。
可以理解地，在其他实施例中，所述限位部50也可设置于所述盖板30靠近所述第一侧板2012的端面上，相应地，所述限位部50包括设置于所述盖板30靠近所述第一侧板2012的端面上的凸台501，所述凸台501的下表面与所述第一侧板2012的上表面保持无缝紧密贴合，此种实施方式在此不再赘述。
具体地，所述支架201的截面形状为“回”字状，点胶区域也呈“回”字状，因此所述限位部50的截面形状也为“回”字状，也就是说，所述限位部50设置于所述显示装置的四周区域。
具体地，在本发明实施例中，所述凸台501的截面形状为长方形，当然在其他实施例中，所述凸台501的截面形状也可为其他形状，例如梯形、三角形、圆形、椭圆形等形状。
具体地，所述凸台501的高度为0.1～0.5毫米；所述凸台501的宽度在0.8毫米以上。
所述凸台501与所述第一侧板2012一体成型，其中，所述凸台501和所述第一侧板2012的制备材料包括但不限于钣金或铝合金，需要说明的是，所述凸台501与所述第一侧板2012也可为分别相互独立的结构，在两者分别制备形成之后，再通过焊接或活动连接组装等方式将所述凸台501贴合于所述第一侧板2012上。
进一步地，参考图2B所示，所述盖板30靠近所述显示面板10的一侧设置有凹槽301，所述凸台501的上端与所述凹槽301相互配合，其中，所述凹槽301与所述凸台501对应设置，在可阻隔位于所述凸台501一侧的所述粘接层70进入所述显示装置内部的前提下，增加了所述盖板30与所述凸台501之间的作用力，从而进一步提高了所述盖板30与所述支架201之间粘附的稳定性，进而进一步提高了整个所述显示装置的稳定性。
参考图2C，还可在所述第一侧板2012靠近所述盖板30的一侧的端面上设置有另一凹槽302，所述凸台501的下端与所述另一凹槽302相互配合，其中，所述另一凹槽302与所述凸台501对应设置，当所述凸台501出现磨损、污渍等问题时，可随时将所述凸台501从所述支架201上单独取出进行替换或清洗，而无需替换所述支架201，较为方便，且减少了生产成本。
在其他实施例中，还可在与所述凸台501对应的所述第一侧板2012的端面上以及所述凸台501的下端面上分别设置有磁性件（图中未示出），所述凸台501与所述第一侧板2012通过所述磁性件相吸从而实现贴合。
继续参考图1，所述背光模组还包括从下至上依次层叠设置所述容纳腔内的反射片202、导光板203、光学膜片以及光源207，所述光学膜片组具体包括扩散片204、下棱镜片205以及上棱镜片206，其中，所述反射片202、所述导光板203以及所述光学膜片组均平行于所述第一底板2011，所述反射片202固定设置于所述第一底板2011上；在本发明实施例中，所述光源207固定设置于所述第一侧板2012的内侧壁上，所述导光板203靠近所述第一侧板2012的内侧壁的侧面为入光面，所述导光板203的上端面为出光面。
所述显示装置还包括中框80，所述中框80位于所述容纳腔40内，所述中框80包括第二底板801以及与所述第二底板801连接的第二侧板802，其中，所述第二底板801位于所述显示面板10的背侧，所述显示面板10通过胶层90固定设置于所述第二底板801上，以保持所述显示面板10的稳定性，其中所述胶层90可使用双面泡棉胶形成；所述第二侧板802位于所述显示面板10与所述第一侧板2012的内侧壁之间，所述第二侧板802与所述第二底板801相互垂直，且所述第二侧板802平行于所述第一侧板2012，
所述中框80可采用塑胶材料，所述中框80的硬度小于所述支架201的硬度。
可以理解地，当所述粘接层70流出至所述显示装置外部时，一般情况下，可通过擦拭的方式进行清理，当然，进一步地，也可在所述粘接层70靠近所述第一侧板2012的外侧壁的一侧设置有另一限位部以阻隔所述粘接层70流出所述显示装置外部，该限位部与上述实施例中所述的限位部50的结构相同，在此不再赘述。
所述显示装置可为车载显示装置，能够满足车载环境对晃动和固定的要求，当然所述显示装置也可应用到手机、平板电脑、手持智能设备等之中的任意一种显示装置中，本发明实施例不应以此为限。
有益效果为：本发明实施例提供的显示装置，通过在背光模组的支架上设置限位部，以阻隔在进行点胶工序时用于盖板与支架之间进行粘附的粘接层进入到显示装置内部，从而消除了粘接层进入显示装置内部影响显示性能的风险，提升了用户体验，增加了产品的市场竞争力。
综上所述，虽然本发明已以优选实施例揭露如上，但上述优选实施例并非用以限制本发明，本领域的普通技术人员，在不脱离本发明的精神和范围内，均可作各种更动与润饰，因此本发明的保护范围以权利要求界定的范围为准。

Claims (20)

  1. 一种显示装置，包括显示面板、背光模组以及设置于所述显示面板上的盖板；所述背光模组包括支架，所述支架包括第一底板以及与所述第一底板连接的第一侧板；
    其中，所述盖板与所述显示面板之间涂覆有贴合层，以贴合所述盖板与所述显示面板；所述第一侧板和所述盖板之间设置有粘接层以贴合所述第一侧板和所述盖板；在靠近所述粘接层的所述第一侧板/所述盖板上设置有限位部以阻隔所述粘接层流入所述显示装置内部。
  2. 根据权利要求1所述的显示装置，其中所述限位部设置于所述第一侧板靠近所述盖板的端面上。
  3. 根据权利要求2所述的显示装置，其中所述限位部包括设置于所述第一侧板靠近所述盖板的端面上的凸台，所述凸台靠近所述第一侧板的内侧壁的一侧与所述第一侧板的内侧壁保持平齐。
  4. 根据权利要求2所述的显示装置，其中所述盖板靠近所述显示面板的一侧设置有凹槽，所述凸台与所述凹槽相互配合。
  5. 根据权利要求2所述的显示装置，其中所述凸台与所述第一侧板一体成型。
  6. 根据权利要求1所述的显示装置，其中所述第一侧板围绕所述第一底板的周侧设置，所述第一侧板、所述第一底板以及所述盖板之间形成一容纳腔，所述显示面板和所述背光模组均位于所述容纳腔内。
  7. 根据权利要求6所述的显示装置，其中所述背光模组还包括从下至上依次层叠设置于所述容纳腔内的反射片、导光板以及光学膜片，其中，所述反射片、所述导光板以及所述光学膜片均平行于所述第一底板，所述反射片固定设置于所述第一底板上。
  8. 根据权利要求1所述的显示装置，其中所述显示装置还包括中框，所述中框包括第二底板以及与所述第二底板连接的第二侧板，其中，所述第二侧板位于所述显示面板与所述第一侧板的内侧壁之间，所述显示面板固定设置于所述第二底板上。
  9. 一种显示装置，包括显示面板、背光模组以及设置于所述显示面板上的盖板；所述背光模组包括支架，所述支架包括第一底板以及与所述第一底板连接的第一侧板；
    其中，所述第一侧板和所述盖板之间设置有粘接层以贴合所述第一侧板和所述盖板；在靠近所述粘接层的所述第一侧板/所述盖板上设置有限位部以阻隔所述粘接层流入所述显示装置内部。
  10. 根据权利要求9所述的显示装置，其中所述限位部设置于所述第一侧板靠近所述盖板的端面上。
  11. 根据权利要求10所述的显示装置，其中所述限位部包括设置于所述第一侧板靠近所述盖板的端面上的凸台，所述凸台靠近所述第一侧板的内侧壁的一侧与所述第一侧板的内侧壁保持平齐。
  12. 根据权利要求10所述的显示装置，其中所述盖板靠近所述显示面板的一侧设置有凹槽，所述凸台与所述凹槽相互配合。
  13. 根据权利要求10所述的显示装置，其中所述凸台与所述第一侧板一体成型。
  14. 根据权利要求11所述的显示装置，其中所述凸台的高度为为0.1～0.5毫米；所述凸台的宽度在0.8毫米以上。
  15. 根据权利要求11所述的显示装置，其中在与所述凸台对应的所述第一侧板的端面上以及所述凸台的下端面上分别设置有磁性件。
  16. 根据权利要求9所述的显示装置，其中所述第一侧板围绕所述第一底板的周侧设置，所述第一侧板、所述第一底板以及所述盖板之间形成一容纳腔，所述显示面板和所述背光模组均位于所述容纳腔内。
  17. 根据权利要求16所述的显示装置，其中所述背光模组还包括从下至上依次层叠设置于所述容纳腔内的反射片、导光板以及光学膜片，其中，所述反射片、所述导光板以及所述光学膜片均平行于所述第一底板，所述反射片固定设置于所述第一底板上。
  18. 根据权利要求9所述的显示装置，其中所述显示装置还包括中框，所述中框包括第二底板以及与所述第二底板连接的第二侧板，其中，所述第二侧板位于所述显示面板与所述第一侧板的内侧壁之间，所述显示面板固定设置于所述第二底板上。
  19. 根据权利要求9所述的显示装置，其中所述粘接层由流动性的粘性材料形成。
  20. 根据权利要求9所述的显示装置，其中所述显示装置为车载显示装置。
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