CN110568665B - Display device - Google Patents

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Publication number
CN110568665B
CN110568665B CN201910864956.9A CN201910864956A CN110568665B CN 110568665 B CN110568665 B CN 110568665B CN 201910864956 A CN201910864956 A CN 201910864956A CN 110568665 B CN110568665 B CN 110568665B
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display device
light
substrate
guide plate
protrusions
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CN110568665A (en
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廖乾廷
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AUO Corp
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AU Optronics Corp
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133615Edge-illuminating devices, i.e. illuminating from the side
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1339Gaskets; Spacers; Sealing of cells

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)

Abstract

A display device comprises an optical film, a substrate, a liquid crystal display panel and a supporting pad. The liquid crystal display panel is arranged on the optical diaphragm, at least one side edge of the liquid crystal display panel is supported on the substrate, and the supporting pad is adhered to the bottom surface of the substrate through the adhesive layer.

Description

显示装置display device

技术领域technical field

本发明涉及一种显示装置,尤其涉及一种具缓冲材及光学膜片的组合,可省略设置胶框的显示装置。The invention relates to a display device, in particular to a display device with a combination of a buffer material and an optical film, which can omit the setting of a plastic frame.

背景技术Background technique

显示装置例如电脑屏幕、电视机等,随着科技的进步,使用相当普及。此外,人们对于显示装置的要求,也逐渐的提升,例如讲究轻薄化、显示解析度高以及窄边设计等。Display devices such as computer screens, televisions, etc., are widely used with the advancement of technology. In addition, people's requirements for display devices are also gradually increasing, such as emphasis on thinner and lighter, high display resolution, and narrow-edge design.

传统上,一些显示装置是由胶框以及铁框所组成,在一侧中,胶框与铁框通过熔接手段固定。如此,将减少内部灯条发光侧与显示区的混光距离,使整体发光效果变差。Traditionally, some display devices are composed of a plastic frame and an iron frame, and on one side, the plastic frame and the iron frame are fixed by welding means. In this way, the light mixing distance between the light-emitting side of the internal light bar and the display area will be reduced, and the overall light-emitting effect will be deteriorated.

另一方面,显示装置内的导光板与灯条大都由双面胶以条状设置于发光元件的一侧相粘接,如此易造成发光侧的亮度减损,加上双面胶未适当贴附,很容易影响到灯条发光,降低发光效果,影响使用者的视觉感受。On the other hand, the light guide plate and the light bar in the display device are usually glued on one side of the light-emitting element with double-sided tape in a strip shape, which easily leads to the loss of brightness on the light-emitting side, and the double-sided tape is not properly attached. , it is easy to affect the luminescence of the light bar, reduce the luminous effect, and affect the user's visual experience.

发明内容Contents of the invention

有鉴于此,本发明一实施例提供一种显示装置,包含光学膜片、基板、液晶显示面板及支撑垫。In view of this, an embodiment of the present invention provides a display device, including an optical film, a substrate, a liquid crystal display panel, and a support pad.

光学膜片的一侧边设置第一拼接结构;基板底面为反光面,且基板的一侧边对应于第一拼接结构设置第二拼接结构,与第一拼接结构拼接,以限位光学膜片;液晶显示面板位于光学膜片上,且液晶显示面板的至少一侧边支撑于基板上;支撑垫经粘胶层粘着于基板的底面。A first splicing structure is provided on one side of the optical film; the bottom surface of the substrate is a reflective surface, and a second splicing structure is provided on one side of the substrate corresponding to the first splicing structure, which is spliced with the first splicing structure to limit the optical film The liquid crystal display panel is located on the optical film, and at least one side of the liquid crystal display panel is supported on the substrate; the support pad is adhered to the bottom surface of the substrate through the adhesive layer.

如上所述的显示装置,在一实施例中,进一步包含背盖,光学膜片、基板、液晶显示面板及支撑垫设置于背盖上方。The above-mentioned display device, in an embodiment, further includes a back cover, and the optical film, the substrate, the liquid crystal display panel and the supporting pad are disposed on the back cover.

如上所述的显示装置,在一实施例中,基板包含缓冲层与光反射层,光反射层设置于缓冲层的下方,光反射层的底面为所述的反光面。In the above display device, in one embodiment, the substrate includes a buffer layer and a light reflection layer, the light reflection layer is disposed under the buffer layer, and the bottom surface of the light reflection layer is the light reflection surface.

如上所述的显示装置,在一实施例中,缓冲层与光反射层经粘贴层相互粘接。As for the above display device, in one embodiment, the buffer layer and the light reflection layer are bonded to each other via an adhesive layer.

如上所述的显示装置,在一实施例中,支撑垫包含多个支撑部及多个粘着部,粘着部分别设置于各支撑部的下方,且支撑部及粘着部以基板的延伸方向以等距或不等距的方式间隔排列。In the above-mentioned display device, in one embodiment, the supporting pad includes a plurality of supporting parts and a plurality of adhesive parts, and the adhesive parts are respectively arranged under each supporting part, and the supporting parts and the adhesive parts are arranged in the same direction as the extending direction of the substrate. spaced or unequally spaced.

如上所述的显示装置,在一实施例中,进一步包含发光总成以及导光板,发光总成及导光板位于光学膜片下方。The above display device, in an embodiment, further includes a light emitting assembly and a light guide plate, and the light emitting assembly and the light guide plate are located under the optical film.

如上所述的显示装置,在一实施例中,发光总成包含多个发光元件以及电路板,发光元件以一间隔排列的方式设置在电路板上;导光板的一入光侧邻接于发光元件,导光板包含多个突起部,以等距或不等距的方式排列在入光侧上,突起部分别设置于一部分的间隔内。In one embodiment of the above-mentioned display device, the light-emitting assembly includes a plurality of light-emitting elements and a circuit board, and the light-emitting elements are arranged on the circuit board in a spaced manner; a light-incident side of the light guide plate is adjacent to the light-emitting elements , the light guide plate includes a plurality of protrusions arranged on the light-incident side in an equidistant or unequal manner, and the protrusions are respectively arranged in a part of the interval.

如上所述的显示装置,在一实施例中,粘胶层的宽度小于等于电路板的宽度,且突起部经由粘胶层与支撑垫黏接。In the above display device, in an embodiment, the width of the adhesive layer is less than or equal to the width of the circuit board, and the protruding portion is bonded to the supporting pad through the adhesive layer.

如上所述的显示装置,在一实施例中,突起部经由粘胶层与支撑垫粘接,且对应突起部,粘胶层包含多个延伸部。In the above display device, in one embodiment, the protruding portion is bonded to the support pad via an adhesive layer, and corresponding to the protruding portion, the adhesive layer includes a plurality of extension portions.

如上所述的显示装置,在一实施例中,支撑垫包含多个支撑部,支撑部设置于另一部分的间隔内。As for the above display device, in one embodiment, the supporting pad includes a plurality of supporting parts, and the supporting parts are arranged in the interval of another part.

如上所述的显示装置,在一实施例中,支撑垫还包含多个粘着部,粘着部分别设置于各支撑部的下方,支撑部经由粘着部粘接于电路板上。In the above display device, in an embodiment, the supporting pad further includes a plurality of adhesive parts, the adhesive parts are respectively disposed under each supporting part, and the supporting parts are bonded to the circuit board through the adhesive parts.

如上所述的显示装置,在一实施例中,第一拼接结构包含两个凸部,分别位于侧边的两端,第二拼接结构包含两个凹部。As for the above display device, in an embodiment, the first splicing structure includes two protrusions located at two ends of the sides respectively, and the second splicing structure includes two concave portions.

经由上述一个或多个实施例的显示装置的结构设计,省略胶框的使用。如此,内部灯条的发光侧与显示区保持一定的混光距离,改善因熔接胶框与铁框致发光效果不佳的问题。Through the structural design of the display device in one or more of the above embodiments, the use of a plastic frame is omitted. In this way, the light-emitting side of the internal light bar and the display area maintain a certain light mixing distance, which improves the problem of poor luminous effect caused by welding the plastic frame and the iron frame.

附图说明Description of drawings

图1为本发明一实施例的显示装置的外观示意图。FIG. 1 is a schematic diagram of the appearance of a display device according to an embodiment of the present invention.

图2A为图1所示实施例的显示装置中以2A-2A为剖线的示意图。FIG. 2A is a schematic diagram of the display device of the embodiment shown in FIG. 1 , taken along line 2A-2A.

图2B为图1所示实施例的显示装置中以2B-2B为剖线的示意图。FIG. 2B is a schematic diagram of the display device of the embodiment shown in FIG. 1 , taken along line 2B-2B.

图2C为图1所示实施例的显示装置中以2C-2C为剖线的示意图。FIG. 2C is a schematic diagram of the display device of the embodiment shown in FIG. 1 , taken along line 2C-2C.

图2D为图1所示实施例的显示装置中以2D-2D为剖线的示意图。FIG. 2D is a schematic diagram of the display device of the embodiment shown in FIG. 1 , taking 2D-2D as the section line.

图3为图1所示实施例的局部分解示意图。FIG. 3 is a partially exploded schematic view of the embodiment shown in FIG. 1 .

图4为图1所示实施例的局部分解示意图。FIG. 4 is a partially exploded schematic view of the embodiment shown in FIG. 1 .

图5为本发明另一个实施例的显示装置中的粘胶层的局部示意图。FIG. 5 is a partial schematic diagram of an adhesive layer in a display device according to another embodiment of the present invention.

图6A为图1所示实施例中6A的局部示意图。FIG. 6A is a partial schematic diagram of 6A in the embodiment shown in FIG. 1 .

图6B为图1所示实施例中6B的局部示意图。FIG. 6B is a partial schematic diagram of 6B in the embodiment shown in FIG. 1 .

附图标记如下:The reference signs are as follows:

1 显示装置1 display device

11 光学膜片11 Optical film

11a 侧边11a side

111 第一拼接结构111 The first splicing structure

12 基板12 Substrate

12a 侧边12a side

121 底面121 Bottom

122 第二拼接结构122 Second stitching structure

123 缓冲层123 buffer layer

124 光反射层124 light reflective layer

125 粘贴层125 paste layer

13 液晶显示面板13 LCD panel

14 支撑垫14 support pad

141 支撑部141 support part

142 粘着部142 Adhesive part

15 粘胶层15 adhesive layer

151 延伸部151 extension

17 发光总成17 Lighting assembly

171 电路板171 circuit board

172 发光元件172 light emitting elements

18 导光板18 light guide plate

181 突起部181 protrusion

19 反射片19 reflector

2 背盖2 back cover

W 间隔W interval

W1 宽度W1 width

W2 宽度W2 width

D 延伸方向D Extension direction

具体实施方式Detailed ways

请参阅图1至图2D。图1为本发明一实施例的显示装置1的外观示意图。图2A为图1所示实施例的显示装置1中以2A-2A为剖线的示意图。图2B为图1所示实施例的显示装置1中以2B-2B为剖线的示意图。图2C为图1所示实施例的显示装置1中以2C-2C为剖线的示意图。图2D为图1所示实施例的显示装置1中以2D-2D为剖线的示意图。See Figures 1 to 2D. FIG. 1 is a schematic diagram of the appearance of a display device 1 according to an embodiment of the present invention. FIG. 2A is a schematic diagram of the display device 1 in the embodiment shown in FIG. 1 , taken along line 2A- 2A. FIG. 2B is a schematic diagram of the display device 1 in the embodiment shown in FIG. 1 , taken along line 2B-2B. FIG. 2C is a schematic diagram of the display device 1 in the embodiment shown in FIG. 1 , taken along line 2C-2C. FIG. 2D is a schematic diagram of the display device 1 in the embodiment shown in FIG. 1 , taken along the line 2D-2D.

如图2A至图2D所示,显示装置1包含光学膜片11、基板12、液晶显示面板13、支撑垫14以及背盖2,背盖2边缘垂直延伸形成侧墙,使侧墙环绕定义一容置区。所述的光学膜片11、基板12、液晶显示面板13及支撑垫14设置于背盖2上方。As shown in FIGS. 2A to 2D , the display device 1 includes an optical film 11, a substrate 12, a liquid crystal display panel 13, a support pad 14, and a back cover 2. The edge of the back cover 2 extends vertically to form a side wall, so that the side wall surrounds and defines a containment area. The optical film 11 , the substrate 12 , the liquid crystal display panel 13 and the support pad 14 are arranged above the back cover 2 .

光学膜片11的一侧边11a设置第一拼接结构111(详见下述并请参阅图6A及图6B)。基板12的底面121为反光面,并且基板12的一侧边12a对应于第一拼接结构111设置有第二拼接结构122(详见下述并请参阅图6A及图6B),可与第一拼接结构111拼接,以限定光学膜片11的位置。液晶显示面板13位于光学膜片11上,并且液晶显示面板13的至少一侧边是由基板12支撑着。支撑垫14经粘胶层15粘着于基板12的底面121。One side 11a of the optical film 11 is provided with a first stitching structure 111 (see below for details and refer to FIG. 6A and FIG. 6B ). The bottom surface 121 of the substrate 12 is a reflective surface, and one side 12a of the substrate 12 is provided with a second splicing structure 122 corresponding to the first splicing structure 111 (see below for details and referring to FIGS. 6A and 6B ), which can be combined with the first splicing structure 111 The splicing structure 111 is spliced to define the position of the optical film 11 . The liquid crystal display panel 13 is located on the optical film 11 , and at least one side of the liquid crystal display panel 13 is supported by the substrate 12 . The support pad 14 is adhered to the bottom surface 121 of the substrate 12 through the adhesive layer 15 .

在此实施例中,基板12包含缓冲层123与光反射层124,光反射层124设置于缓冲层123的下方,光反射层124为光反射片,其底面121为上述的反光面。所述的缓冲层123在一些实施例中为橡胶材料所制,具有弹力及耐高温的特性,橡胶材料例如为天然橡胶、丁基橡胶、聚氨酯橡胶或是硅橡胶等,本发明并无限制。In this embodiment, the substrate 12 includes a buffer layer 123 and a light reflection layer 124 , the light reflection layer 124 is disposed under the buffer layer 123 , the light reflection layer 124 is a light reflection sheet, and its bottom surface 121 is the aforementioned light reflection surface. In some embodiments, the buffer layer 123 is made of rubber material, which has the properties of elasticity and high temperature resistance. The rubber material is, for example, natural rubber, butyl rubber, polyurethane rubber or silicon rubber, which is not limited in the present invention.

此外,如图2A所示,缓冲层123与光反射层124是经由粘贴层125相互黏接、固定。In addition, as shown in FIG. 2A , the buffer layer 123 and the light reflection layer 124 are bonded and fixed to each other through the adhesive layer 125 .

请参阅图3,图3为图1所示实施例的局部分解示意图。须说明的是,为详述结构,在此省略了液晶显示面板13及光学膜片11。如图2C及图3所示,支撑垫14包含多个支撑部141及多个粘着部142,粘着部142分别设置于各支撑部141的下方,且支撑部141及粘着部142以基板12的延伸方向D以等距或不等距的方式间隔排列。Please refer to FIG. 3 . FIG. 3 is a partial exploded view of the embodiment shown in FIG. 1 . It should be noted that, to describe the structure in detail, the liquid crystal display panel 13 and the optical film 11 are omitted here. As shown in FIG. 2C and FIG. 3 , the support pad 14 includes a plurality of support portions 141 and a plurality of adhesive portions 142, and the adhesive portions 142 are respectively disposed under each support portion 141, and the support portions 141 and the adhesive portions 142 are formed on the basis of the substrate 12. The extension directions D are arranged at intervals in an equidistant or unequal manner.

进一步的说明,请参阅图4,图4为图1所示实施例的局部分解示意图。须说明的是,为详述结构,在此省略了液晶显示面板13、光学膜片11及背盖2。在此实施例中,显示装置1进一步包含发光总成17以及导光板18,设置在背盖2之上,且位于容置区中。所述发光总成17例如LED灯条。For further description, please refer to FIG. 4 , which is a partial exploded view of the embodiment shown in FIG. 1 . It should be noted that, to describe the structure in detail, the liquid crystal display panel 13 , the optical film 11 and the back cover 2 are omitted here. In this embodiment, the display device 1 further includes a light emitting assembly 17 and a light guide plate 18 disposed on the back cover 2 and located in the accommodating area. The light emitting assembly 17 is, for example, an LED light bar.

如图2A及图2D所示,发光总成17及导光板18位于光学膜片11下方,发光总成17包含多个发光元件172(如LED)以及电路板171,发光元件172以一间隔W排列的方式设置在电路板171上(请另参阅图4)。导光板18的入光侧邻接于发光元件172,以使发光元件172对导光板18的入光侧投射光线。As shown in FIG. 2A and FIG. 2D, the light emitting assembly 17 and the light guide plate 18 are located below the optical film 11, and the light emitting assembly 17 includes a plurality of light emitting elements 172 (such as LEDs) and a circuit board 171, and the light emitting elements 172 are spaced at a distance W The arrangement is provided on the circuit board 171 (see also FIG. 4 ). The light-incident side of the light guide plate 18 is adjacent to the light-emitting element 172 , so that the light-emitting element 172 projects light to the light-incident side of the light guide plate 18 .

如图4所示,导光板18包含多个突起部181,以等距或不等距的方式排列在入光侧上,突起部181分别设置于一部分的间隔W内,使得至少有一对发光元件172之间设置有一个突起部181。在此实施例中,粘胶层15的宽度W1(请参阅图5)小于等于电路板171的宽度W2,且突起部181经由粘胶层15与支撑垫14黏接,另一方面,支撑垫14的多个支撑部141,则设置于另一部分的发光元件172间隔内,经由粘着部142粘接于电路板171上。As shown in FIG. 4 , the light guide plate 18 includes a plurality of protrusions 181 arranged on the light-incident side in an equidistant or unequal manner, and the protrusions 181 are respectively arranged in a part of the interval W, so that at least one pair of light emitting elements A protrusion 181 is provided between 172 . In this embodiment, the width W1 of the adhesive layer 15 (see FIG. 5 ) is less than or equal to the width W2 of the circuit board 171, and the protrusion 181 is bonded to the support pad 14 through the adhesive layer 15. On the other hand, the support pad A plurality of supporting parts 141 of 14 are arranged in another part of the space between the light emitting elements 172 and bonded to the circuit board 171 via the adhesive part 142 .

请参阅图5,为本发明另一个实施例的显示装置1中的粘胶层15的局部示意图。在此实施例中,为了提升导光板18与支撑垫14的固定性,粘胶层15对应于导光板18的突起部181,粘胶层15包含多个延伸部151,以增加粘着导光板18的面积。Please refer to FIG. 5 , which is a partial schematic view of the adhesive layer 15 in the display device 1 according to another embodiment of the present invention. In this embodiment, in order to improve the fixation between the light guide plate 18 and the support pad 14, the adhesive layer 15 corresponds to the protruding portion 181 of the light guide plate 18, and the adhesive layer 15 includes a plurality of extensions 151 to increase the adhesion of the light guide plate 18 area.

请再参阅图2D,并请参阅图6A及图6B,图6A、图6B分别为图1所示实施例中6A、6B的局部示意图。同样的,为清楚交代结构,省略液晶显示面板13。如图6A及图6B所示,光学膜片11的第一拼接结构111包含两个凸部,分别位于侧边的两端,而基板12的第二拼接结构122则包含两个凹部,凸部与凹部结合可以固定光学膜片11,使其在显示装置1内不会产生位移的现象。然而上述的凸部及凹部仅为一示例,本发明并无限制第一拼接结构111及第二拼接结构122的方式,在另一实施例中,所述的第一拼接结构111包含凹部,而第二拼接结构122包含凸部。如图1、图2D、与图6A与图6B所示,2D-2D剖线位于第一拼接结构111及第二拼接结构122上。如图2D所示,基板12的经由粘胶层15与发光总成17粘接固定,与基板12的下方设置导光板18,导光板18的下方设置有反射片19。Please refer to FIG. 2D again, and please refer to FIG. 6A and FIG. 6B . FIG. 6A and FIG. 6B are partial schematic diagrams of 6A and 6B in the embodiment shown in FIG. 1 . Likewise, the liquid crystal display panel 13 is omitted for clarity. As shown in FIG. 6A and FIG. 6B, the first splicing structure 111 of the optical film 11 includes two convex portions, which are respectively located at both ends of the sides, while the second splicing structure 122 of the substrate 12 includes two concave portions, and the convex portion Combining with the concave portion can fix the optical film 11 so that no displacement occurs in the display device 1 . However, the above-mentioned protrusions and recesses are only examples, and the present invention does not limit the manners of the first joining structure 111 and the second joining structure 122. In another embodiment, the first joining structure 111 includes a recess, and The second joining structure 122 includes a convex portion. As shown in FIG. 1 , FIG. 2D , and FIGS. 6A and 6B , the 2D-2D section line is located on the first mosaic structure 111 and the second mosaic structure 122 . As shown in FIG. 2D , the substrate 12 is bonded and fixed to the light-emitting assembly 17 via the adhesive layer 15 , and a light guide plate 18 is disposed below the substrate 12 , and a reflective sheet 19 is disposed below the light guide plate 18 .

在上述的实施例中,所述的粘贴层125、粘着部142以及粘胶层15可以是双面胶带或涂胶,本发明并无限定。In the above-mentioned embodiments, the adhesive layer 125 , the adhesive portion 142 and the adhesive layer 15 may be double-sided tape or glue, which is not limited in the present invention.

经由本发明在上述中一个或多个实施例的显示装置,具有省略使用胶框的优点,节省传统上胶框及铁框熔接的工序,并可以增加显示装置内混光区域的长度,使整体发光效果更佳。The display device of one or more of the above-mentioned embodiments of the present invention has the advantage of omitting the use of plastic frames, saves the traditional process of welding plastic frames and iron frames, and can increase the length of the light mixing area in the display device, making the whole The glow effect is better.

Claims (9)

1. A display device, comprising:
the optical diaphragm is provided with a first splicing structure at one side edge;
a substrate, a bottom surface of the substrate is a reflecting surface, the substrate comprises a buffer layer and a light reflecting layer, the light reflecting layer is arranged below the buffer layer, the bottom surface of the light reflecting layer is the reflecting surface, and one side edge of the substrate is provided with a second splicing structure corresponding to the first splicing structure and spliced with the first splicing structure so as to limit the optical diaphragm;
a liquid crystal display panel, which is positioned on the optical film and at least one side edge of the liquid crystal display panel is supported on the buffer layer of the substrate;
the supporting pad is adhered to the bottom surface of the substrate through an adhesive layer and comprises a plurality of supporting parts which are arranged at intervals;
the light-emitting assembly comprises a plurality of light-emitting elements and a circuit board, wherein the plurality of light-emitting elements are arranged on the circuit board in an interval arrangement mode; and
an incident side of a light guide plate is adjacent to the plurality of light emitting elements, the light guide plate comprises a plurality of protrusions arranged on the incident side in an equidistant or non-equidistant manner, the plurality of protrusions of the light guide plate are respectively arranged in the plurality of intervals between a part of the plurality of light emitting elements, the plurality of supporting parts are arranged in the plurality of intervals between another part of the plurality of light emitting elements, the adhesive layer comprises a plurality of extensions corresponding to the plurality of protrusions of the light guide plate, so that the adhesive layer on the bottom surface of the substrate supporting the liquid crystal display panel can be simultaneously adhered to the light emitting assembly, the supporting pad and the plurality of protrusions of the light guide plate.
2. The display device of claim 1, further comprising a back cover over which the optical film, the substrate, the liquid crystal display panel, and the support pads are disposed.
3. The display device according to claim 1, wherein the buffer layer and the light reflecting layer are bonded to each other via an adhesive layer.
4. The display device according to claim 1, wherein the supporting pad comprises a plurality of adhesive portions disposed under the supporting portions, and the supporting portions and the adhesive portions are arranged at equal or unequal intervals in an extending direction of the substrate.
5. The display device of claim 1, wherein portions of the light emitting assembly and the light guide plate are located under the substrate, and other portions of the light guide plate are located under the optical film.
6. The display device of claim 1, wherein the width of the adhesive layer is less than or equal to the width of the circuit board, and the plurality of protrusions are adhered to the supporting pad through the adhesive layer.
7. The display device according to claim 1, wherein a plurality of the protrusions are adhered to the supporting pad via the adhesive layer, and the adhesive layer comprises a plurality of extensions corresponding to the plurality of protrusions.
8. The display device of claim 1, wherein the support pad further comprises a plurality of adhesive portions disposed under the support portions, respectively, and the support portions are adhered to the circuit board via the adhesive portions.
9. The display device of claim 1, wherein the first tile structure comprises two protrusions at two ends of the side, and the second tile structure comprises two recesses.
CN201910864956.9A 2018-12-05 2019-09-09 Display device Active CN110568665B (en)

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