WO2023202600A1 - 显示装置 - Google Patents

显示装置 Download PDF

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Publication number
WO2023202600A1
WO2023202600A1 PCT/CN2023/089139 CN2023089139W WO2023202600A1 WO 2023202600 A1 WO2023202600 A1 WO 2023202600A1 CN 2023089139 W CN2023089139 W CN 2023089139W WO 2023202600 A1 WO2023202600 A1 WO 2023202600A1
Authority
WO
WIPO (PCT)
Prior art keywords
protective cover
light
display device
display panel
adhesive layer
Prior art date
Application number
PCT/CN2023/089139
Other languages
English (en)
French (fr)
Inventor
赵锬鸿
蔡杨杨
孙晓娣
田喜蕾
李刚
周乔珂
陈亚伟
曲国健
李响
尹晓峰
Original Assignee
京东方科技集团股份有限公司
北京京东方显示技术有限公司
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 京东方科技集团股份有限公司, 北京京东方显示技术有限公司 filed Critical 京东方科技集团股份有限公司
Publication of WO2023202600A1 publication Critical patent/WO2023202600A1/zh

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Classifications

    • 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
    • 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
    • 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

Definitions

  • the present application relates to the field of display technology, and in particular to a display device.
  • display devices have become indispensable electronic products in people's lives.
  • Various display devices such as medical display equipment, mobile phones, tablets, and laptops have greatly increased the convenience of people's lives.
  • a display device may include: a display panel, and a protective cover connected to the display surface of the display panel.
  • the display panel can be protected by the protective cover.
  • the current protective cover has poor protection for the display panel, resulting in the display device being easily broken during use.
  • An embodiment of the present application provides a display device. It can solve the problem that the display device of the prior art is easily broken during use.
  • the technical solution is as follows:
  • a display device including: a first protective cover, a second protective cover, a first adhesive layer and a display panel;
  • the first adhesive layer is located between the first protective cover and the second protective cover, and is bonded to the first protective cover and the second protective cover respectively;
  • the display panel is located on a side of the second protective cover away from the first protective cover, and the light-emitting side of the display panel faces the second protective cover;
  • the thickness of the first protective cover is greater than the thickness of the second protective cover.
  • the orthographic projection of the first protective cover on the plane where the second protective cover is located is located
  • the second protective cover is within the orthographic projection of the plane on which the second protective cover is located;
  • the second protective cover includes a protruding portion, and the protruding portion is on the plane on which the second protective cover is located.
  • the orthographic projection on is not covered by the orthographic projection of the first protective cover on the plane where the second protective cover is located.
  • the display panel has a binding area for binding with the driving component, and the binding area and the protruding portion are located on the same side of the display device.
  • the first protective cover has one first side and three second sides; the second protective cover has one third side and three fourth sides;
  • the first side is adjacent to the third side and is staggered from the third side;
  • the three second sides correspond to the three fourth sides one by one, and the second side is in correspondence with the third side.
  • the corresponding fourth side is adjacent and coplanar with the corresponding fourth side;
  • the portion of the second protective cover located between the third side and the first side is the protruding portion.
  • the first protective cover has a central light-transmitting area and an edge light-shielding area located on the periphery of the central light-transmitting area
  • the display device further includes: located on the first protective cover close to the third 2. a light-absorbing ink layer on one side of the protection cover, the light-absorbing ink layer being located in the edge light-shielding area;
  • the second protective cover has a central light-transmitting area and an edge light-shielding area located on the periphery of the central light-transmitting area
  • the display device further includes: the second protective cover is located close to the first protection area. a light-absorbing ink layer on one side of the cover plate, the light-absorbing ink layer being located in the edge light-shielding area;
  • the second protective cover has a central light-transmitting area and an edge light-shielding area located on the periphery of the central light-transmitting area
  • the display device further includes: a device located on the second protective cover close to the display panel.
  • the light-absorbing ink layer is annular, the inner contour of the light-absorbing ink layer coincides with the outer contour of the central light-transmitting area, and the width of the light-absorbing ink layer is the same at each position.
  • the thickness of the first protective cover is in the range of 1.5 mm to 2 mm; the thickness of the second protective cover is in the range of 0.7 mm to 1.5 mm; the thickness of the first adhesive layer is in the range of Within the range of 0.1 mm to 0.3 mm.
  • the first adhesive layer is a planar adhesive layer provided as a whole layer.
  • the display device further includes: a touch panel located between the second protective cover and the display panel, and a second touch panel located between the touch panel and the second protective cover.
  • the second adhesive layer is adhered to the touch panel and the second protective cover respectively, and the third adhesive layer is adhered to the touch panel and the display panel respectively.
  • both the second adhesive layer and the third adhesive layer are planar adhesive layers arranged as a whole layer.
  • the thickness of the first adhesive layer, the thickness of the second adhesive layer and the thickness of the third adhesive layer are equal.
  • the display panel includes: a color filter substrate and an array substrate arranged opposite each other, and a liquid crystal layer located between the color filter substrate and the array substrate, the color filter substrate being closer to the array substrate. Close to the second protective cover;
  • the display device further includes: a backlight module located on a side of the display panel facing away from the second protective cover.
  • the backlight module includes: a frame, an optical film set, a light guide plate and a reflective sheet located in the frame and stacked in sequence in a direction away from the display panel;
  • the side-type light source is arranged opposite to the light guide plate;
  • the frame includes an iron frame and a plastic frame connected to the iron frame.
  • the plastic frame has a positioning groove.
  • Each optical film in the optical film group has a positioning protrusion.
  • the positioning protrusion is located in the positioning groove, and the positioning protrusion in the optical film closest to the display panel in the optical film set has a reflective ink layer, and the reflective ink layer is located away from the positioning protrusion.
  • the reflective ink layer is used to reflect the light emitted from the light guide plate towards the positioning protrusion towards the reflective sheet.
  • the iron frame has a back plate, and the reflective sheet and the light guide plate are both located on the back plate.
  • the backlight module further includes: a first adhesive strip, the first adhesive strip Located within the frame and distributed on the side away from the side-type light source;
  • the first bonding strip includes: a strip-shaped first bonding part and a strip-shaped second bonding part, the thickness of the first bonding part is greater than the thickness of the second bonding part, and The first bonding portion is bonded to the edge portions of the back plate and the light guide plate respectively, and the second bonding portion is bonded to the edge portions of the back plate and the reflective sheet respectively.
  • the backlight module further includes: reflective strips, the reflective strips are located on the frame and distributed on the side close to the side-type light source, the reflective strips are located on the side facing away from the optical film set One side of the light guide plate;
  • the orthographic projection of the reflective strip on the plane where the light-emitting surface of the display panel is located is different from the side projection.
  • the orthographic projection of the incident light source on the plane where the light-emitting surface of the display panel is located has an overlapping area; the orthographic projection of the reflective strip on the plane where the light-emitting surface of the display panel is located is located in the non-display area of the display panel.
  • the side of the reflective strip close to the optical film set is bonded to the optical film closest to the display panel in the optical film set, and the luminous strip faces away from the optical film.
  • One side of the group is bonded to the iron frame.
  • the side-type light source includes: a strip-shaped circuit board, and a plurality of light-emitting diodes (LEDs) on the circuit board.
  • the circuit board is located on one side of the optical film group, so The light-emitting surface of the LED lamp bead faces the side of the light guide plate, and the light-emitting surface of the LED lamp bead is in contact with the side of the light guide plate;
  • the backlight module further includes: a second adhesive strip, the second adhesive strip is bonded to the circuit board and the conduit board respectively.
  • the backlight module further includes: an annular glue layer located between the frame and the display panel, the annular glue layer The layers are respectively bonded to the frame and the display panel.
  • the backlight module further includes: an auxiliary adhesive layer bonded to the edge portion of the display panel and the backlight module respectively.
  • the backlight module includes: a frame, and an optical film group and a direct light source located in the frame and stacked sequentially in a direction away from the display panel;
  • the frame has a positioning groove, and each optical film in the optical film set has a positioning protrusion.
  • the positioning protrusion is located in the positioning groove, and the closest positioning protrusion in the optical film set is closest to the positioning protrusion.
  • the positioning protrusion in the optical film of the display panel has a reflective ink layer, and the reflective ink layer is located on the side of the positioning protrusion away from the direct light source;
  • the reflective ink layer is used to reflect the light emitted from the direct light source toward the positioning protrusion toward the direct light source.
  • a display device includes: a first cover, a second protective cover, a first adhesive layer and a display panel. After the front of the display device is subjected to an impact force, both the first protective cover and the second protective cover can withstand This impact force, and the first adhesive layer provided between the first protective cover plate and the second protective cover plate, can buffer this impact force. In this way, the display panel can be effectively protected through the stacked first protective cover and the second protective cover, as well as the first adhesive layer between them, thus reducing the display cost. Indicates the probability that the device will break during use.
  • the step structure can be directly formed by combining and dislocating the first protective cover and the second protective cover, without cutting the protective cover, which effectively simplifies the process of forming the stage structure in the display device, thereby improving the display efficiency.
  • the device preparation efficiency is improved, and the manufacturing cost of the display device is reduced.
  • Figure 1 is a schematic structural diagram of a display device in the related art
  • Figure 2 is a top view of a display device provided by an embodiment of the present application.
  • Figure 3 is a cross-sectional view of the display device shown in Figure 2 at A-A';
  • Figure 4 is an assembly schematic diagram of the first protective cover and the second protective cover in the display device shown in Figure 2;
  • Figure 5 is a cross-sectional view of the display device shown in Figure 2 at B-B';
  • Figure 6 is an exploded view of the display device shown in Figure 2;
  • Figure 7 is a partial cross-sectional view on one side of another display device provided by an embodiment of the present application.
  • Figure 8 is a partial cross-sectional view on the other side of another display device provided by an embodiment of the present application.
  • Figure 9 is a schematic structural diagram of each optical film in a frame provided by an embodiment of the present application.
  • Figure 10 is a light path diagram at the positioning protrusion of an optical screen provided by an embodiment of the present application.
  • FIG. 1 is a schematic structural diagram of a display device in the related art.
  • the display device may include: a display panel 01, and a protective cover 02 connected to the display surface of the display panel 01.
  • the thickness of the protective cover 02 needs to be increased.
  • the thickness of protective cover 02 is 2.9 mm.
  • a black ink layer 03 needs to be provided on the side of the protective cover 02 close to the display panel 01 .
  • black ink layer 03 is annular and distributed around the protective cover 02 .
  • the black ink layer 03 prevents light leakage from being emitted from the side of the display panel 01 .
  • the black ink layer 03 needs to cover at least part of the non-display area of the display panel 01 .
  • the area where the black ink layer 03 is provided in the protective cover 02 can be called an edge light-shielding area.
  • the display panel 01 has a binding area for binding with driving components.
  • the light-shielding binding area is usually distributed in one side of the non-display area of the display panel 01 and the other three sides of the non-display area of the display panel 01 .
  • the binding area will not be set on the side. Therefore, in the non-display area of the display panel 01, the width of one side of the binding area is set to be larger than the width of the other three sides.
  • the width of the annular black ink layer 03 is equal at each position.
  • the step structure 02a usually needs to be provided with a structure that is made of a different material from the protective cover 02 (for example, a shell or silicone, etc.). In this way, the width of the edge shading area of the protective cover 02 when viewed from the front of the display device is equal to each other, thereby improving the aesthetics of the front of the display device.
  • Figure 2 is a top view of a display device provided by an embodiment of the present application
  • Figure 3 is a cross-sectional view of the display device shown in Figure 2 at A-A’.
  • the display device 000 may include: a first protective cover 100 , a second protective cover 200 , a first adhesive layer 300 and a display panel 400 .
  • the first adhesive layer 300 in the display device 000 may be located between the first protective cover 100 and the second protective cover 200 , and be bonded to the first protective cover 100 and the second protective cover 200 respectively.
  • the display panel 400 in the display device 000 is located on the side of the second protective cover 200 away from the first protective cover 100 , and the light emitting side of the display panel 400 faces the second protective cover 200 .
  • the display surface of the display panel 400 is connected to a side of the second protective cover 200 facing away from the first protective cover 100 .
  • the thickness of the first protective cover 100 is greater than the thickness of the second protective cover 200 .
  • both the first protective cover 100 and the second protective cover 200 can withstand the impact force, and the first protective cover 100 and the second protective cover 200 are able to withstand the impact force.
  • the first adhesive layer 300 provided between the plates 200 can buffer this impact force. In this way, the first protective cover 100 and the second protective cover 200 are stacked and the first adhesive layer between them is formed.
  • the connection layer 300 can effectively protect the display panel 400, thereby reducing the probability of the display device 000 being broken during use.
  • the first protective cover 100 is located at the outermost side of the display device 000 . Therefore, when the front surface of the display device 000 receives an impact force, the first protective cover 100 in the display device 000 is the main force-bearing component. In this way, when the thickness of the first protective cover 100 is greater than the thickness of the second protective cover 200 , the first protective cover 100 can withstand a greater impact force, making the first protective cover 100 less likely to be broken.
  • the thickness of the first protective cover 100 is in the range of 1.5 mm to 3 mm; the thickness of the second protective cover 200 is in the range of 0.7 mm to 1.5 mm; the thickness of the first adhesive layer 300 is Thickness ranges from 0.1 mm to 0.8 mm.
  • the material of the first adhesive layer 300 may be optical glue, which has a certain elasticity after curing.
  • the first protective cover 100 and the second protective cover 200 are both made of glass, which has relatively high hardness.
  • the thickness of the first protective cover 100 is 1.8 mm
  • the thickness of the second protective cover 200 is 1.1 mm
  • the thickness of the first adhesive layer 300 is 0.2 mm. Compare the force of a protective cover with a thickness of 2.9 mm when subjected to impact force.
  • a single-layer protective cover with a thickness of 2.9 mm is used to protect the display panel.
  • the protective cover needs to withstand the impact force exerted by the falling ball.
  • the protective cover will undergo instantaneous deformation, and this deformation will be transmitted to the display panel set below, allowing the display panel to Also undergoes deformation. Therefore, even if a protective cover with a thickness of 2.9 mm is used in the related art, there is still a risk of the display panel being broken.
  • a first protective cover 100 with a thickness of 1.8 mm and a second protective cover 200 with a thickness of 1.1 mm are used to simultaneously protect the display panel 400 .
  • both the first protective cover 100 and the second protective cover 200 will bear the impact force exerted by the falling ball.
  • the first protective cover 100 will be the first to undergo instantaneous deformation, and this deformation will be transmitted to the first adhesive layer 300 provided between the first protective cover 100 and the second protective cover 200 .
  • the first adhesive layer 300 Since the first adhesive layer 300 has a certain elasticity, the first adhesive layer 300 is more easily deformed relative to the first protective cover 100, so that the first adhesive layer 100 can release most of the impact caused by the impact force, and thus When the elastic deformation produced by the first adhesive layer 300 is transmitted to the second protective cover 200, the deformation produced by the second protective cover 200 will be smaller. When this deformation is transmitted to the display panel 400 provided below, the display The panel 400 basically does not deform. Therefore, the embodiments of this application adopt the method The solution in which the first protective cover 100 and the second protective cover 200 simultaneously protect the display panel 400 has a lower risk of the display panel 400 being broken, making the display device 000 more impact resistant.
  • the first adhesive layer 300 may be a planar adhesive layer provided as a whole layer.
  • the first adhesive layer 300 can be bonded to the entire surface of the first protective cover 100 and can be bonded to the entire surface of the second protective cover 200 .
  • the entire planar adhesive layer provided in the embodiment of the present application means that this adhesive layer is continuously distributed at least within the display area of the display device 000 . In this way, after being hit by an impact force at various positions in the display area of the display device 000, they can be buffered by the first adhesive layer 300, ensuring that the overall strength of the display device 000 is strong.
  • a protective cover with a thickness of 2.9 mm needs to be used to protect the display panel, and the protective cover is usually made of glass. Glass panels with a thickness of 2.9 mm are not common on the market and need to be customized separately. . Therefore, the cost of the display device in the related art is relatively high.
  • the first protective cover 100 with a thickness of 1.8 mm and the second protective cover 200 with a thickness of 1.1 mm can be used to protect the display panel 400 at the same time, and the glass panel with a thickness of 1.8 mm and a thickness of 1.1 mm glass panels are common glass panels on the market. Therefore, there is no need to separately customize the glass panel, which can effectively reduce the manufacturing cost of the display device.
  • the display device 000 may further include: a touch panel 500 located between the second protective cover 200 and the display panel 400 . 200 between the second adhesive layer 600, and the third adhesive layer 700 between the touch panel 500 and the display panel 400.
  • the second adhesive layer 600 in the display device 000 can be bonded to the touch panel 500 and the second protective cover 200 respectively; the third adhesive layer 700 in the display device 000 can be bonded to the touch panel 500 and the display screen respectively.
  • the second adhesive layer 600 between the touch panel 500 and the second protective cover 200 and the third layer between the touch panel 500 and the display panel 400 can all buffer the impact force. In this way, the probability of the display device 000 being broken during use can be further reduced.
  • the second adhesive layer 600 and the third adhesive layer 700 may both be planar adhesive layers provided as a whole layer.
  • the second adhesive layer 600 can be bonded to the entire surface of the second protective cover 200 and the entire surface of the touch panel 500; the third adhesive layer 700 can also be bonded to the entire surface of the touch panel 500. And the entire surface of the display panel 400 is bonded.
  • it after being impacted at various positions in the display area of the display device 000, it can not only be buffered by the first adhesive layer 300, but also be buffered by the second adhesive layer 600 and the third adhesive layer 700. Buffering further improves the overall strength of the display device 000.
  • the thickness range of the second adhesive layer 600 and the thickness of the third adhesive layer 700 are both in the range of 0.1 mm to 0.3 mm.
  • the thickness of the second adhesive layer 600 and the thickness of the third adhesive layer 700 can be equal to the thickness of the first adhesive layer 300.
  • the thickness of the first adhesive layer 300 and the thickness of the second adhesive layer The thickness of 600 and the thickness of the third adhesive layer 700 are both 0.2 mm.
  • both the second adhesive layer 600 and the third adhesive layer 700 can be made of optical glue. That is, the materials of the first adhesive layer 300 , the second adhesive layer 600 and the third adhesive layer 700 in the display device 000 are the same.
  • the display panel 400 in the display device 000 in the embodiment of the present application can enable the display device 000 to implement the display function
  • the touch panel 500 can enable the display device 000 to implement the touch function
  • Sample 1, Sample 2 and Sample 3 are three different display devices, and the structures of these three display devices are the same as those of the embodiments of the present application.
  • sample 1, sample 2 and sample 3 are all normal, that is, the display function and touch function of sample 1, sample 2 and sample 3 are normal; when the falling ball hits three samples respectively from a height of 130 cm.
  • sample 1 is abnormal
  • sample 2 and sample 3 are both normal, that is, the display function or touch function of sample 1 is abnormal
  • the display function and touch function of sample 2 and sample 3 are normal.
  • the display device provided in the embodiment of the present application can basically withstand the impact force exerted on the falling ball with a mass of 500 grams after it falls from a height of 130 centimeters.
  • the orthographic projection of the first protective cover 100 in the display device 000 on the plane where the second protective cover 200 is located can be located between the second protective cover 200 and the second protective cover 200 . within the orthographic projection of the plane on which plate 200 lies.
  • the second protective cover 200 includes a protruding portion G.
  • the orthographic projection of the protruding portion G on the plane where the second protective cover 200 is located is not the orthogonal projection of the first protective cover 100 on the plane where the second protective cover 200 is located. Projection coverage.
  • the plane where the second protective cover 200 is located may be a side of the second protective cover 200 close to the display panel 400 , or may be a side of the second protective cover 200 facing away from the display panel 400 .
  • the protruding portion G of the second protective cover 200 is a stepped structure.
  • the display device 000 includes a first protective cover 100 and a second protective cover 200 that are stacked. Therefore, by adjusting the area of the first protective cover 100 relative to the second protective cover 200, the first protective cover 100 and the second protective cover 200 can be directly obtained after passing through the first adhesive layer 300. Step structure.
  • Figure 4 is a schematic assembly diagram of the first protective cover and the second protective cover in the display device shown in Figure 2.
  • Figure 5 is the display device shown in Figure 2. Sectional view at B-B'.
  • the display device 000 is in a rectangular shape. Both the first protective cover 100 and the second protective cover 200 in the display device 000 can be rectangular covers, and the display panel 400 and the touch panel 500 in the display device 000 are also rectangular. panel.
  • the first protective cover 100 has one first side 100a and three second sides 100b, and the second protective cover 200 has one third side 200a and three fourth sides 200b.
  • the first side 100a of the first protective cover 100 is adjacent to the third side 200a of the second protective cover 200, and the first side 100a and the third side 200a are staggered, that is, the first side 100a and the third side 200a are staggered.
  • the third side surfaces 200a are not coplanar; the three second side surfaces 100b of the first protective cover 100 correspond to the three fourth side surfaces 200b of the second protective cover 200, and each third side surface of the first protective cover 100
  • the two side surfaces 100b are adjacent to the corresponding fourth side surface 200b of the second protective cover 200, and each second side surface 100b is coplanar with the corresponding fourth side surface 200b.
  • the orthographic projection may be located within the orthographic projection of the second protective cover 200 on the plane where the second protective cover 200 is located, and the first side 100a of the first protective cover 100 is opposite to the third side 200a of the second protective cover 200. Neighboring and staggered. Therefore, the portion of the second protective cover 200 located between the first side 100a and the third side 200a is the protruding portion G. In this way, the embodiment of the present application can form the protruding portion G by combining and dislocating the first protective cover 100 and the second protective cover 200 without cutting the protective cover, which effectively simplifies the formation of protrusions in the display device 000. The process of removing part G further improves the manufacturing efficiency of the display device 000 and reduces the manufacturing cost of the display device 000 .
  • FIG. 6 is an exploded view of the display device shown in FIG. 2 .
  • the display panel 400 in the display device 000 has a binding area (not marked in FIG. 6 ), and the binding area of the display panel 400 is used to bind with the driving component 800 .
  • the driving component 800 is used to drive the display panel 400 to display images.
  • the driving component 800 can be a driving chip or a flexible circuit board with a driving chip.
  • the binding area of the display panel 400 and the protruding portion G of the second protective cover 200 are located on the same side of the display device. That is, the binding area of the display panel 400 is adjacent to the protruding portion G.
  • the first protective cover 100 in the display device 000 has a central light-transmitting area 101 and an edge light-shielding area 102 located at the periphery of the central light-transmitting area 101 .
  • the display panel 400 has a display area and a non-display area located at the periphery of the display area.
  • the orthographic projection of the display area of the display panel 400 on the first protective cover 100 is located in the central light-transmitting area. Because the binding area of the display panel 400 is usually located on one side of the non-display area. Therefore, in the non-display area of the display panel 400, the width of one side of the binding area is set to be larger than the width of the other three sides.
  • the first protective cover can be reduced.
  • the first protective cover 100 made of glass must be placed on the protruding part G.
  • the width of the black border area (ie, the edge shielding area 102 ) of the protective cover 400 is approximately equal at each position, which ensures the aesthetics of the display device 000 when viewed from the front.
  • the display device 000 may further include: a light-absorbing ink layer 900 located on the side of the first protective cover 100 close to the second protective cover 200 .
  • the light-absorbing ink layer 900 can be a black ink layer, which can block the light emitted from the side of the display panel 400 and absorb light.
  • the ink layer 900 may be located in the edge shielding area 102 of the first protective cover 100 . That is, the area where the light-absorbing ink layer 900 is provided in the first protective cover 100 is the edge light-shielding area 102 , and the area where the light-absorbing ink layer 900 is not provided is the central light-transmitting area 101 .
  • the light-absorbing ink layer 900 is annular, and the inner contour of the light-absorbing ink layer 900 coincides with the outer contour of the central light-transmitting area 101 .
  • the width of the edge light-shielding area 102 of the first protective cover 100 can be changed by adjusting the width of the light-absorbing ink layer 900 .
  • the width of the light-absorbing ink layer 900 is the same at all positions, the width of the edge light shielding area 102 of the first protective cover 100 is also the same at every position, thereby ensuring the aesthetics of the display device 000 when viewed from the front; further
  • the light-absorbing ink layer 900 is located on the side of the first protective cover 100 close to the second protective cover 200, which can make the light-absorbing ink layer 900 closer to the observer, further improving the aesthetics of the display device 000 when viewed from the front.
  • the equal width of the light-absorbing ink layer 900 at all positions means that when the outline of the central light-transmitting area 101 is a rectangle, the light-absorbing ink layer 900 has equal widths on four sides of the rectangle.
  • the light-absorbing ink layer in the display device can also be disposed on the second protective cover 200 .
  • the second protective cover 200 may also have a central light-transmitting area and an edge light-shielding area located on the periphery of the central light-transmitting area, and the light-absorbing ink layer in the display device is located in this edge light-shielding area.
  • the light-absorbing ink layer in the display device may be on the side of the second protective cover 200 close to the first protective cover 100 , or the light-absorbing ink layer in the display device may be on the side of the second protective cover 200 close to the display panel 400 one side.
  • the embodiment of the present application does not specifically limit the position of the light-absorbing ink layer.
  • the display panel 400 in the display device 000 may be an organic light emitting diode (English: Organic Light Emitting Diode, OLED for short) or a liquid crystal display panel. Please refer to Figures 7 and 8.
  • Figure 7 is a partial cross-sectional view of another display device provided by an embodiment of the present application on one side.
  • Figure 8 is a partial cross-sectional view of another display device provided by an embodiment of the present application located on the other side. Sectional view.
  • the display device 000 may further include: a backlight module 1000 located on a side of the display panel 400 away from the second protective cover 200 .
  • the display panel 400 may include: an array substrate 401 and a color filter substrate 402 arranged opposite each other, and a liquid crystal layer (not shown in FIG. 7 ) located between the array substrate 401 and the color filter substrate 402 .
  • the color filter substrate 402 is closer to the second protective cover 200 than the array substrate 401
  • the array substrate 401 is closer to the backlight module 1000 than the color filter substrate 402 .
  • the color filter substrate 402 can be connected to the touch panel 500
  • the array substrate 401 can be connected to the backlight module 1000 .
  • the display panel 400 may also include: a third panel located on the side of the array substrate 401 away from the color filter substrate 402.
  • a polarizer 403, and a second polarizer 404 located on the side of the color filter substrate 402 away from the array substrate 401.
  • the polarization direction of the first polarizer 403 may be perpendicular to the polarization direction of the second polarizer 404 .
  • the backlight module 1000 may be an edge-type backlight module or a direct-type backlight module.
  • the embodiments of this application will illustrate this from the following two aspects:
  • the backlight module 1000 when the backlight module 1000 is an edge-type backlight module, as shown in FIGS. 7 and 8 , the backlight module 1000 may include: a frame 1001 located in the frame 1001 and along a direction away from the display panel 400 The optical film set 1005, the light guide plate 1003 and the reflective sheet 1004 are stacked in the direction of the frame 1001, and the edge-type light source 1002 is located in the frame 1001 and opposite to the light guide plate 1003. The light exit surface of the edge-type light source 1002 faces the side of the light guide plate 1003.
  • the light guide plate 1003 is located between the reflective sheet 1004 and the optical film set 1005, and the optical film set 1005 is closer to the display panel 400 than the light guide plate 1003.
  • the optical film group 1005 may include one optical film, or may include multiple optical films.
  • the optical films may be: vertically and away from the guide.
  • the first diffusion sheet, the first prism sheet, the second prism sheet and the second diffusion sheet are stacked in the direction of the light plate 1003 .
  • the frame 1001 may include: an iron frame 1001a, and a plastic frame 1001b connected to the iron frame 1001a.
  • the frame 1001 is usually a plastic-iron integrated structure, that is, after the iron frame 1001a is formed, the plastic frame 1001b is formed directly in the iron frame 1001a through an injection molding process; the iron frame 1001a and the plastic frame 1001b in the frame 1001 can also be Snap through the buckle method.
  • the embodiments of the present application do not limit this.
  • the iron frame 1001a may have a back plate C, and the edge-type light source 1002, the light guide plate 1003 and the reflective sheet 1004 may all be located on the back plate C.
  • the material of the iron frame 1001a can be a metal material with good heat dissipation.
  • the iron frame 100a1 can be made of metal aluminum.
  • the backlight module 1000 may further include: a first adhesive strip 1006 .
  • the first adhesive strip 1006 is located in the frame 1001 and distributed on the side away from the side-type light source 1002.
  • One side of the first adhesive strip 1006 can be bonded to the back plate C, and the other side can be bonded to the reflective sheet.
  • the edge portion of 1004 and the edge portion of the light guide plate 1003 are bonded. In this way, the light guide plate 1003 and the reflective sheet 1004 can be assembled into the frame 1001 through the first adhesive strip 1006 .
  • the first bonding strip 1006 may include: a strip-shaped first bonding portion 1006a and a strip-shaped second bonding portion 1006b.
  • the thickness of the first bonding part 1006a is greater than the thickness of the second bonding part 1006b
  • the first bonding part 1006a is bonded to the edge part of the back plate C and the light guide plate 1003 respectively
  • the second bonding part 1006b is bonded to the edge part of the back plate C and the light guide plate 1003 respectively.
  • the back plate C and the edge portion of the reflective sheet 1004 are bonded. In this way, through The adhesive parts with different thicknesses in the first adhesive strip 1006 can respectively assemble the light guide plate 1003 and the reflective sheet 1004 in the frame 1001.
  • the side-type light source 1002 may be a strip-shaped light source.
  • the side-type light source 1002 may include: a strip-shaped circuit board 1002a, and a plurality of light-emitting diodes (English: Light) on the circuit board 1002a.
  • the circuit board 1002a in the edge-type light source 1002 is located on the side of the light guide plate 1003 away from the optical film set 1005.
  • the backlight module 1000 may also include: a second adhesive strip 1007 .
  • the circuit board 1002a and the light guide plate 1003 in the side-type light source 1002 can be bonded through the second adhesive strip 1007; the light-emitting surface of the LED lamp bead 1002b in the side-type light source 1002 needs to face the side of the light guide plate 1003, and It is necessary to ensure that the light-emitting surface of the LED lamp bead 1002b is in contact with the side of the light guide plate 1003.
  • the circuit board 1002a in the edge-type light source 1002 can be placed on the backplane C and in contact with the backplane C. In this way, the back plate C can better dissipate the heat of the side-type light source 1002, so that the operating temperature of the side-type light source 1002 is lower.
  • FIG. 9 is a schematic structural diagram of each optical film in a frame provided by an embodiment of the present application.
  • the plastic frame 1001b in the frame 1001 has a positioning groove E
  • each optical film in the optical film set 1005 has a positioning protrusion D.
  • the positioning protrusions of each optical film in the optical film group 1005 can be located in the positioning groove E.
  • the number of positioning grooves E in the plastic frame 1001b is multiple, and the number of positioning protrusions D in each optical film in the optical film set 1005 is also multiple, and the optical film set 1005
  • the plurality of positioning protrusions D in each optical film in the film correspond to the plurality of positioning grooves E in the plastic frame 1001b, and each positioning protrusion D can be located in the corresponding positioning groove E. In this way, through the cooperation of the plurality of positioning protrusions D in the optical film and the plurality of positioning grooves E in the plastic frame 100b, each optical film 1005 can be assembled in the frame 1001.
  • FIG. 10 is a light path diagram at the positioning protrusion of an optical screen provided by the embodiment of the present application.
  • the positioning protrusion D in the optical film closest to the display panel 400 in the optical film set 1005 has a reflective ink layer F.
  • the reflective ink layer F is located on the side of the positioning protrusion D away from the light guide plate 1003 .
  • the reflective ink layer F can be a white ink layer and can reflect light.
  • the reflective ink layer F is used to reflect the light from the light guide plate 1003 toward the positioning protrusion D to the reflective sheet 1004 .
  • the reflective ink layer F can be emitted from the light emitted from the light guide plate 1003 to the positioning protrusion D.
  • the light from the protrusion D is reflected back to the light guide plate 1003, so that the reflective sheet 1004 below the light guide plate 1003 can reflect the light again, and the reflected light can be directed to the display area of the display panel 400.
  • the light extraction efficiency of the backlight module 1000 can be effectively improved, so that the display device 000 can The utilization rate of light is high.
  • the backlight module 1000 may also include: reflective strips 1008 .
  • the reflective strips 1008 are located in the frame 1001 and distributed on the side close to the edge-type light source 1002.
  • the reflective strips 1008 can be on the side of the optical film set 1005 facing away from the light guide plate 1003.
  • the side of the reflective strip 1008 close to the optical film set 1005 can be bonded to the optical film closest to the display panel 400 in the optical film set 1005, and the side of the light-emitting strip 1008 facing away from the optical film set 1005 can be bonded to the optical film set 1005.
  • the iron frame 100a1 in the frame 1001 is bonded.
  • the reflective strips 1008 may be white reflective strips.
  • the orthographic projection of the reflective strip 1004 on the plane where the light exit surface of the display panel 400 is located may have an overlapping area with the orthographic projection of the edge-type light source 1002 on the plane where the light exit surface of the display panel 400 is located.
  • the edge-type light source 1002 The orthographic projection of each LED lamp bead 1002b on the plane where the light-emitting surface of the display panel 400 is located may be located within the orthographic projection of the reflective strip 1004 on the plane where the light-emitting surface of the display panel 400 is located.
  • the light emitted from the edge-type light source 1002 and directed toward the reflective strip 1008 can be reflected back to the light guide plate 1003 by the light-emitting strip 1008.
  • the reflective strip 1008 By providing the reflective strip 1008, the light extraction efficiency of the backlight module 1000 can be further improved. It should be noted that the orthographic projection of the reflective strip 1004 on the plane where the light-emitting surface of the display panel 400 is located may be located in the non-display area of the display panel 400 .
  • the backlight module 1000 further includes: an annular ring located between the frame 1001 and the display panel 400 .
  • the annular glue layer 1009 is bonded to the frame 1001 and the display panel 400 respectively.
  • the backlight module 1000 and the display panel 400 can be assembled through the annular adhesive layer 1009 .
  • the display device 000 may further include: an auxiliary adhesive layer 1100 bonded to the edge portion of the display panel 400 and the edge portion of the backlight module 400 respectively.
  • the auxiliary adhesive layer 1100 can improve the firmness when the display panel 400 and the backlight module 1000 are assembled.
  • the backlight module 1000 when the backlight module 1000 is a direct-type backlight module, the backlight module 1000 can It includes: a frame, an optical film group and a direct light source located in the frame and stacked sequentially in a direction away from the display panel.
  • the frame has a positioning groove, and each optical film in the optical film set has a positioning protrusion.
  • the positioning protrusion is located in the positioning groove, and the positioning protrusion in the optical film closest to the display panel in the optical film set is It has a reflective ink layer, and the reflective ink layer is located on the side of the positioning protrusion facing away from the direct light source.
  • the reflective ink layer is used to direct the light emitted from the direct light source toward the positioning protrusion and reflect it toward the direct light source.
  • the backlight module 1000 is a direct-type backlight module
  • its structure is basically similar to that of an edge-type backlight module, and the only difference lies in the light source.
  • the direct light source in the direct backlight module may be a lamp panel, and the lamp panel may include: a circuit board, a reflective layer located on the side of the circuit board close to the display panel 400 and a plurality of LED lamp beads arranged in an array.
  • the light reflected by the reflective ink layer can be reflected again by the reflective layer in the direct light source, and the reflected light can be directed to the display area of the display panel 400 .
  • the direct-type backlight module please refer to the corresponding content in the above-mentioned edge-type backlight module, which will not be described again in the embodiments of this application.
  • the display device 000 can be any product or device with a display function, such as a mobile phone, a tablet computer, a television, or a medical display device.
  • the display device 000 in the embodiment of the present application has good impact resistance, so it is particularly suitable for use in medical equipment used outdoors.
  • the display device provided by the embodiment of the present application includes: a first cover, a second protective cover, a first adhesive layer and a display panel.
  • the first protective cover Both the board and the second protective cover can withstand the impact force, and the first adhesive layer provided between the first protective cover and the second protective cover can buffer the impact force.
  • the display panel can be effectively protected by the stacked first protective cover plate and the second protective cover plate, as well as the first adhesive layer located between them, thus reducing the occurrence of breakage of the display device during use. The probability.
  • the step structure can be directly formed by combining and dislocating the first protective cover and the second protective cover, without cutting the protective cover, which effectively simplifies the process of forming the stage structure in the display device, thereby improving the display efficiency.
  • the device preparation efficiency is improved, and the manufacturing cost of the display device is reduced.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
  • plurality refers to two or more than two, unless expressly limited otherwise.

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Abstract

一种显示装置(000),属于显示技术领域。显示装置(000)包括:第一保护盖板(100)、第二保护盖板(200)、第一粘接层(300)和显示面板(400),在显示装置(000)的正面受到撞击力后,第一保护盖板(100)与第二保护盖板(200)均能够承受此撞击力,并且第一粘接层(300)能够对此撞击力进行缓冲。因此,通过层叠设置的第一保护盖板(100)与第二保护盖板(200),以及位于二者之间的第一粘接层(300)可以有效的对显示面板(400)进行保护,降低显示装置(000)在使用过程中出现破碎的概率。

Description

显示装置
本申请要求于2022年04月22日提交的申请号为202220958166.4、申请名称为“显示装置”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及显示技术领域,特别涉及一种显示装置。
背景技术
目前,显示装置已经成为了人们生活中不可或缺的电子产品。诸如医用显示设备、手机、平板电脑和笔记本电脑等各种显示装置极大的增加了人们生活的便利性。
一般地,显示装置可以包括:显示面板,以及与显示面板的显示面连接的保护盖板。通过保护盖板可以对显示面板进行保护。
然而,目前的保护盖板对显示面板的保护性较差,导致在显示装置的使用过程中,极易出现破碎的问题。
实用新型内容
本申请实施例提供了一种显示装置。可以解决现有技术的显示装置的使用过程中,极易出现破碎的问题,所述技术方案如下:
提供了一种显示装置,包括:第一保护盖板、第二保护盖板、第一粘接层和显示面板;
所述第一粘接层位于所述第一保护盖板和所述第二保护盖板之间,且分别与所述第一保护盖板和所述第二保护盖板粘接;
所述显示面板位于所述第二保护盖板背离所述第一保护盖板的一侧,且所述显示面板的出光侧朝向所述第二保护盖板;
其中,所述第一保护盖板的厚度大于所述第二保护盖板的厚度。
可选的,所述第一保护盖板在所述第二保护盖板所在平面上的正投影位于 所述第二保护盖板在所述第二保护盖板所在平面上的正投影内;所述第二保护盖板包括凸出部分,所述凸出部分在所述第二保护盖板所在平面上的正投影未被所述第一保护盖板在所述第二保护盖板所在平面上的正投影覆盖。
可选的,所述显示面板具有用于与驱动组件绑定的绑定区,所述绑定区与所述凸出部分位于所述显示装置的同侧。
可选的,所述第一保护盖板具有一个第一侧面和三个第二侧面;所述第二保护盖板具有一个第三侧面和三个第四侧面;
其中,所述第一侧面与所述第三侧面相邻,且与所述第三侧面错开;所述三个第二侧面与所述三个第四侧面一一对应,所述第二侧面与对应的第四侧面相邻,且与对应的第四侧面共面;
其中,所述第二保护盖板中位于所述第三侧面与所述第一侧面之间的部分为所述凸出部分。
可选的,所述第一保护盖板具有中央透光区,以及位于所述中央透光区外围的边缘遮光区,所述显示装置还包括:位于所述第一保护盖板靠近所述第二保护盖板一侧的吸光油墨层,所述吸光油墨层位于所述边缘遮光区内;
或者,所述第二保护盖板具有中央透光区,以及位于所述中央透光区外围的边缘遮光区,所述显示装置还包括:位于所述第二保护盖板靠近所述第一保护盖板一侧的吸光油墨层,所述吸光油墨层位于所述边缘遮光区内;
或者,所述第二保护盖板具有中央透光区,以及位于所述中央透光区外围的边缘遮光区,所述显示装置还包括:位于所述第二保护盖板靠近所述显示面板一侧的吸光油墨层,所述吸光油墨层位于所述边缘遮光区内。
可选的,所述吸光油墨层呈环形,所述吸光油墨层的内轮廓线与所述中央透光区的外轮廓线重合,所述吸光油墨层各个位置处的宽度均相同。
可选的,所述第一保护盖板的厚度在1.5毫米至2毫米范围内;所述第二保护盖板的厚度在0.7毫米至1.5毫米范围内;所述第一粘接层的厚度在0.1毫米至0.3毫米范围内。
可选的,所述第一粘接层为整层设置的面状粘接层。
可选的,所述显示装置还包括:位于所述第二保护盖板与所述显示面板之间的触控面板,位于所述触控面板与所述第二保护盖板之间的第二粘接层,以及位于所述触控面板与所述显示面板之间的第三粘接层;
其中,所述第二粘接层分别与所述触控面板和所述第二保护盖板粘接,所述第三粘接层分别与所述触控面板和所述显示面板粘接。
可选的,所述第二粘接层和所述第三粘接层均为整层设置的面状粘接层。
可选的,所述第一粘接层的厚度、所述第二粘接层的厚度和所述第三粘接层的厚度相等。
可选的,所述显示面板包括:相对设置的彩膜基板和阵列基板,以及位于所述彩膜基板和所述阵列基板之间的液晶层,所述彩膜基板相对于所述阵列基板更靠近所述第二保护盖板;
所述显示装置还包括:位于所述显示面板背离所述第二保护盖板一侧的背光模组。
可选的,所述背光模组包括:框体,位于所述框体内且沿远离显示面板方向依次层叠设置的光学膜片组、导光板和反射片,以及位于所述框体内且与所述导光板相对设置的侧入式光源;
所述框体包括:铁框,以及与铁框连接的胶框,所述胶框具有定位凹槽,所述光学膜片组中的各个光学膜片均具有定位凸起,所述定位凸起位于所述定位凹槽内,且所述光学膜片组中最靠近所述显示面板的光学膜片中的定位凸起具有反光油墨层,所述反光油墨层位于所述定位凸起背离所述导光板的一侧;
其中,所述反光油墨层用于将所述导光板出射的光线中射向所述定位凸起的光线,反射向所述反射片。
可选的,所述铁框具有背板,所述反射片和所述导光板均位于所述背板上,所述背光模组还包括:第一粘接条,所述第一粘接条位于所述框体内且分布在背离所述侧入式光源的一侧;
其中,所述第一粘接条包括:条状的第一粘接部分和条状的第二粘接部分,所述第一粘接部分的厚度大于所述第二粘接部分的厚度,且所述第一粘接部分分别与所述背板和所述导光板的边缘部分粘接,所述第二粘接部分分别与所述背板和所述反射片的边缘部分粘接。
可选的,所述背光模组还包括:反光条,所述反光条位于所述框体且分布在靠近所述侧入式光源的一侧,所述反光条位于所述光学膜片组背离所述导光板的一侧;
其中,所述反光条在所述显示面板的出光面所在平面上的正投影与所述侧 入式光源在所述显示面板的出光面所在平面的正投影存在交叠区域;所述反光条在所述显示面板出光面所在平面的正投影位于所述显示面板的非显示区内。
可选的,所述反光条靠近所述光学膜片组的一侧与所述光学膜片组中最靠近所述显示面板的光学膜片粘接,且所述发光条背离所述光学膜片组的一侧与所述铁框粘接。
可选的,所述侧入式光源包括:条状的电路板,以及在所述电路板上的多个发光二极管LED灯珠,所述电路板位于所述光学膜片组的一侧,所述LED灯珠的出光面朝向所述导光板的侧面,且所述LED灯珠的出光面与所述导光板的侧面接触;
所述背光模组还包括:第二粘接条,所述第二粘接条分别与所述电路板和所述导管板粘接。
可选的,所述显示面板中的至少部分位于所述框体内,且所述背光模组还包括:位于所述框体与所述显示面板之间的环状胶层,所述环状胶层分别与所述框体和所述显示面板粘接。
可选的,所述背光模组还包括:分别与所述显示面板的边缘部分和所述背光模组的边缘部分粘接的辅助粘接胶层。
可选的,所述背光模组包括:框体,以及位于所述框体内且沿远离所述显示面板方向依次层叠设置的光学膜片组和直下式光源;
所述框体具有定位凹槽,所述光学膜片组中的各个光学膜片均具有定位凸起,所述定位凸起位于所述定位凹槽内,且所述光学膜片组中最靠近所述显示面板的光学膜片中的定位凸起具有反光油墨层,所述反光油墨层位于所述定位凸起背离所述直下式光源的一侧;
其中,所述反光油墨层用于将所述直下式光源出射的光线中射向所述定位凸起的光线,反射向所述直下式光源。
本申请实施例提供的技术方案带来的有益效果至少包括:
一种显示装置包括:第一盖板、第二保护盖板、第一粘接层和显示面板,在显示装置的正面受到撞击力后,第一保护盖板与第二保护盖板均能够承受此撞击力,并且第一保护盖板与第二保护盖板、之间设置的第一粘接层、能够对此撞击力进行缓冲。如此,通过层叠设置的第一保护盖板与第二保护盖板,以及位于二者之间的第一粘接层可以有效的对显示面板进行保护,进而降低了显 示装置在使用过程中出现破碎的概率。并且,可以通过第一保护盖板与第二保护盖板组合错位的方式直接形成台阶结构,无需对保护盖板进行切割,有效的简化了在显示装置内形成台结构的过程,进而提高了显示装置的制备效率,且降低了显示装置的制造成本。
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,下面描述中的附图仅仅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是相关技术中的一种显示装置的结构示意图;
图2是本申请实施例提供的一种显示装置的俯视图;
图3是图2示出的显示装置在A-A’处的截面图;
图4是图2示出的显示装置中的第一保护盖板和第二保护盖板的装配示意图;
图5是图2示出的显示装置在B-B’处的截面图;
图6是图2示出的显示装置的爆炸图;
图7是本申请实施例提供的另一种显示装置位于一侧的局部截面图;
图8是本申请实施例提供的另一种显示装置位于另一侧的局部截面图;
图9是本申请实施例提供的一种各个光学膜片在框体内的结构示意图;
图10是本申请实施例提供的一种光学幕片的在定位凸起处的光路图。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚,下面将结合附图对本申请实施方式作进一步地详细描述。
请参考图1,图1是相关技术中的一种显示装置的结构示意图。显示装置可以包括:显示面板01,以及与显示面板01的显示面连接的保护盖板02。为了提供保护盖板02对显示面板01的保护性,需要加大保护盖板02的厚度。例如,保护盖板02的厚度为2.9毫米。
保护盖板02靠近显示面板01的侧面需要设置黑色油墨层03。黑色油墨层 03呈环状,且分布在所述保护盖板02的四周。通过黑色油墨层03防止显示面板01的侧面出射而发生漏光的问题。黑色油墨层03需要覆盖显示面板01的至少部分非显示区。其中,保护盖板02中设置黑色油墨层03的区域可以称为边缘遮光区。
通常情况下,显示面板01具有用于与驱动组件绑定的绑定区,遮光绑定区通常分布在显示面板01的非显示区的一侧内,而显示面板01的非显示区的其他三侧不会设置绑定区。因此,在显示面板01的非显示区中,设置绑定区一侧的宽度大于其他三侧的宽度。
为了提高显示装置的正面的美观性,需要保证的环状的黑色油墨层03在各个位置处的宽度均是相等的。为此,通常需要对保护盖板02中靠近显示面板01的绑定区的一侧进行切割处理,以形成台阶结构02a。台阶结构02a上通常需要设置与保护盖板02的材质不同的结构(例如,壳体或硅胶等),这样,在显示装置正面观看的到的保护盖板02的边缘遮光区各个位置处的宽度相等,进而可以提高显示装置的正面的美观性。
然而,在对保护盖板02的侧面切割以形成台阶结构02a的过程较为复杂,导致显示装置的制备效率较低,且制造成本较高。
请参考图2和图3,图2是本申请实施例提供的一种显示装置的俯视图,图3是图2示出的显示装置在A-A’处的截面图。显示装置000可以包括:第一保护盖板100、第二保护盖板200、第一粘接层300和显示面板400。
显示装置000中的第一粘接层300可以位于第一保护盖板100与第二保护盖板200之间,且分别与第一保护盖板100和第二保护盖板200粘接。
显示装置000中的显示面板400位于第二保护盖板200背离第一保护盖板100的一侧,且显示面板400的出光侧朝向第二保护盖板200。示例的,显示面板400的显示面与第二保护盖板200背离第一保护盖板100的一侧连接。
其中,第一保护盖板100的厚度大于第二保护盖板200的厚度。
在本申请实施例中,在显示装置000的正面受到撞击力后,第一保护盖板100与第二保护盖板200均能够承受此撞击力,并且第一保护盖板100与第二保护盖板200之间设置的第一粘接层300能够对此撞击力进行缓冲。如此,通过层叠设置的第一保护盖板100与第二保护盖板200,以及位于二者之间的第一粘 接层300可以有效的对显示面板400进行保护,进而降低了显示装置000在使用过程中出现破碎的概率。
在本申请中,由于第一保护盖板100位于显示装置000的最外侧。因此,在显示装置000的正面受到撞击力时,显示装置000中的第一保护盖板100为主要的受力部件。这样,当第一保护盖板100的厚度大于第二保护盖板200的厚度时,第一保护盖板100所能承受的撞击力较大,使得第一保护盖板100不易破碎。
示例的,在显示装置000中,第一保护盖板100的厚度在1.5毫米至3毫米范围内;第二保护盖板200的厚度在0.7毫米至1.5毫米范围内;第一粘接层300的厚度在0.1毫米至0.8毫米范围内。第一粘接层300的材质可以为光学胶水,其在固化后具有一定弹性。第一保护盖板100和第二保护盖板200的材质均为玻璃材质,其硬度较大。
以下实施例将以第一保护盖板100的厚度为1.8毫米,第二保护盖板200的厚度为1.1毫米,第一粘接层300的厚度为0.2毫米为例,和相关技术中的单层厚度为2.9毫米的保护盖板的受到撞击力时的受力进行对比。
在相关技术中,对于采用单层厚度为2.9毫米的保护盖板保护显示面板的方案。假设,在落球从高处落下并击中保护盖板时,保护盖板需要承受落球施加的撞击力,保护盖板会产生瞬时形变,且此形变会传递至下方设置的显示面板,让显示面板也进行形变。因此,相关技术中即使采用了厚度为2.9毫米的保护盖板,显示面板仍然有破碎的风险。
而在本申请实施例中,对于采用厚度为1.8毫米的第一保护盖板100和厚度为1.1毫米的第二保护盖板200同时保护显示面板400的方案。假设,在落球从高处落下并击中第一保护盖板100时,第一保护盖板100和第二保护盖板200均会承受落球施加的撞击力。第一保护盖板100会率先产生瞬时形变,且此形变会传递至第一保护盖板100与第二保护盖板200之间设置的第一粘接层300。由于第一粘接层300具有一定弹性,因此第一粘接层300相对于第一保护盖板100更容易形变,使得第一粘接层100能够将大部分撞击力产生的冲击释放掉,进而使得第一粘接层300产生的弹性形变在传递至第二保护盖板200时,会使第二保护盖板200产生的形变较小,此形变再传递至下方设置的显示面板400时,显示面板400基本上不会发生形变。因此,本申请实施例的提供的采用第 一保护盖板100和第二保护盖板200同时保护显示面板400的方案,显示面板400破碎的风险较低,使得显示装置000的耐冲击性较好。
示例性的,第一粘接层300可以为整层设置的面状粘接层。这样,第一粘接层300能够与第一保护盖板100整面粘接,且能够与第二保护盖板200整面粘接。需要说明的是,本申请实施例中的整层设置的面状粘接层是指:这个粘接层至少在显示装置000的显示区内是连续分布的。如此,显示装置000的显示区的各个位置处受到撞击力后,均能够被第一粘接层300缓冲,保证显示装置000的整体强度较强。
另外,在相关技术中,需要采用厚度为2.9毫米的保护盖板保护显示面板,且保护盖板的材质通常为玻璃材质,而厚度为2.9毫米的玻璃面板在市面上并不常见,需要单独定制。因此,相关技术中的显示装置的成本较高。
而在本申请实施例中,可以采用厚度为1.8毫米的第一保护盖板100和厚度为1.1毫米的第二保护盖板200同时保护显示面板400,而厚度为1.8毫米的玻璃面板和厚度为1.1毫米的玻璃面板均是市面上常见的玻璃面板。因此,无需单独定制此玻璃面板,可以有效的降低显示装置的制造成本。
在本申请实施例中,如图3所示,显示装置000还可以包括:位于第二保护盖板200与显示面板400之间的触控面板500,位于触控面板500与第二保护盖板200之间的第二粘接层600,以及位于触控面板500与显示面板400之间的第三粘接层700。其中,显示装置000中的第二粘接层600可以分别与触控面板500和第二保护盖板200粘接;显示装置000中的第三粘接层700可以分别与触控面板500和显示面板400粘接。
在本申请中,在显示装置000的正面受到撞击力后,触控面板500和第二保护盖板200之间的第二粘接层600,以及触控面板500与显示面板400之间的第三粘接层700均能够对此撞击力起到缓冲作用。如此,可以进一步的降低显示装置000在使用过程中出现破碎的概率。
示例的,第二粘接层600和第三粘接层700也可以均为整层设置的面状粘接层。这样,第二粘接层600能够与第二保护盖板200整面粘接,且与触控面板500整面粘接;第三粘接层700也能够与触控面板500整面粘接,且与显示面板400整面粘接。如此,显示装置000的显示区各个位置处受到撞击力后,不仅能够被第一粘接层300缓冲,也能够被第二粘接层600和第三粘接层700 缓冲,进一步的提高了显示装置000的整体强度。
在本申请中,第二粘接层600的厚度范围与第三粘接层700的厚度均在0.1毫米至0.3毫米范围内。示例的,第二粘接层600的厚度和第三粘接层700的厚度,均可以与第一粘接层300的厚度相等,例如,第一粘接层300的厚度、第二粘接层600的厚度和第三粘接层700的厚度均为0.2毫米。
可选的,第二粘接层600与第三粘接层700的材质均可以为光学胶水。也即是,显示装置000中的第一粘接层300、第二粘接层600和第三粘接层700的材质是相同的。
需要说明的是,本申请实施例中的显示装置000中的显示面板400能够让显示装置000实现显示功能,触控面板500能够让显示装置000实现触控功能。
示例的,在将本申请实施例提供的显示装置000放置在厚度为2毫米的垫片上后,采用质量为500克的落球从不同高度击中显示装置000的正面时,显示装置000是否出现破损的实验数据可以参见表1。
表1
在表1中,样品1、样品2和样品3是三个不同的显示装置,且这三个显示装置的结构与本申请实施例的结构均相同。当落球从125厘米的高度分别击中 三个样片时,样品1、样品2和样品3均为正常,也即是,样品1、样品2和样品3的显示功能和触控功能均正常;当落球从130厘米的高度分别击中三个样片时,样品1不正常,样品2和样品3均为正常,也即是,样品1的显示功能或触控功能不正常,样品2和样品3的显示功能和触控功能均正常。为此,通过表1的实验数据可知,本申请实施例提供的显示装置基本上能够承受质量为500克的落球从130厘米的高度处落下后对其施加的冲击力。
在本申请实施例中,如图3所示,显示装置000中的第一保护盖板100在第二保护盖板200所在平面上的正投影可以位于第二保护盖板200在第二保护盖板200所在平面上的正投影内。且第二保护盖板200包括凸出部分G,凸出部分G在第二保护盖板200所在平面上的正投影未被第一保护盖板100在第二保护盖板200所在平面上的正投影覆盖。其中,这个第二保护盖板200所在平面可以为第二保护盖板200靠近显示面板400一面,也可以为第二保护盖板200背离显示面板400一面。
在本申请中,第二保护盖板200的凸出部分G即为台阶结构。由于显示装置000中包含层叠设置的第一保护盖板100和第二保护盖板200。因此,在通过调整第一保护盖板100相对于第二保护盖板200的面积的方式后,可以使第一保护盖板100与第二保护盖板200通过第一粘接层300后直接得到台阶结构。
示例的,如图3、图4和图5,图4是图2示出的显示装置中的第一保护盖板和第二保护盖板的装配示意图,图5是图2示出的显示装置在B-B’处的截面图。显示装置000呈矩形状,显示装置000中的第一保护盖板100与第二保护盖板200均可以为矩形盖板,且显示装置000中的显示面板400和触控面板500也均为矩形面板。第一保护保护盖板100具有一个第一侧面100a和三个第二侧面100b,第二保护盖板200具有一个第三侧面200a和三个第四侧面200b。其中,第一保护盖板100的第一侧面100a与第二保护盖板200的第三侧面200a相邻,且这个第一侧面100a与第三侧面200a错开,也即是,第一侧面100a与第三侧面200a不共面;第一保护盖板100的三个第二侧面100b与第二保护盖板200的三个第四侧面200b一一对应,第一保护盖板100中的每个第二侧面100b与第二保护盖板200中对应的第四侧面200b相邻,且每个第二侧面100b与对应的第四侧面200b共面。
在这种情况下,由于第一保护盖板100在第二保护盖板200所在平面上的 正投影可以位于第二保护盖板200在第二保护盖板200所在平面上的正投影内,且第一保护盖板100的第一侧面100a与第二保护盖板200的第三侧面200a相邻且错开。因此,第二保护盖板200中位于第一侧面100a与第三侧面200a之间的部分即为凸出部分G。如此,本申请实施例通过第一保护盖板100与第二保护盖板200组合错位的方式可以形成凸出部分G,无需对保护盖板进行切割,有效的简化了在显示装置000内形成凸出部分G的过程,进而提高了显示装置000的制备效率,且降低了显示装置000的制造成本。
在本申请实施例中,请参考图6,图6是图2示出的显示装置的爆炸图。显示装置000中的显示面板400具有绑定区(图6中未标注),显示面板400的绑定区用于与驱动组件800绑定。其中,驱动组件800用于驱动显示面板400显示画面,驱动组件800可以为驱动芯片,也可以为带有驱动芯片的柔性电路板。显示面板400的绑定区与第二保护盖板200的凸出部分G位于显示装置的同侧,也即是,显示面板400的绑定区与凸出部分G相邻。
在本申请中,如图2所示,显示装置000中的第一保护盖板100具有中央透光区101,以及位于中央透光区101外围的边缘遮光区102。显示面板400具有显示区,以及位于显示区外围的非显示区,显示面板400的显示区在第一保护盖板100上的正投影位于中央透光区内。由于显示面板400的绑定区通常位于非显示区的一侧内。因此,在显示面板400的非显示区中,设置绑定区一侧的宽度大于其他三侧的宽度。这样,通过在第一保护盖板100与第二保护盖板200的错位形成凸出部分G,且让这个凸出部分G与显示面板400的绑定区相邻后,可以减小第一保护盖板100的边缘遮光区102中与显示面板400的绑定区相邻一侧宽度;进一步地,可以实现在显示装置000正面观看到的第一保护盖板100的边缘遮光区102各个位置处的宽度近似相等。需要说明的是,凸出部分G上通常需要放置与第一保护盖板100的材质不同的结构(例如,壳体或硅胶等),因此,在正面观看显示装置000时,玻璃材质的第一保护盖板400的黑边区域(也即边缘遮光区102)各个位置处的宽度是近似相等的,可以保证显示装置000正面观看时的美观性。
示例的,如图3和图5所示,显示装置000还可以包括:位于第一保护盖板100靠近第二保护盖板200一侧的吸光油墨层900。吸光油墨层900可以为黑色的油墨层,其能够对显示面板400的侧面出射的光线起到遮挡作用,且吸光 油墨层900可以位于第一保护盖板100的边缘遮光区102内。也即是,在第一保护盖板100中设置吸光油墨层900的区域为边缘遮光区102,而未设置吸光油墨层900的区域为中央透光区101。
在这种情况下,吸光油墨层900呈环形,且吸光油墨层900的内轮廓线与中央透光区101的外轮廓线重合。这样,通过调整吸光油墨层900的宽度可以改变第一保护盖板100的边缘遮光区102的宽度。如此,当吸光油墨层900各个位置处宽度均相同时,第一保护盖板100的边缘遮光区102的各个位置处宽度也均相同,进而可以保证显示装置000正面观看时的美观性;进一步地,吸光油墨层900位于第一保护盖板100靠近第二保护盖板200一侧,可以使吸光油墨层900距离观察者更近,进一步提高显示装置000正面观看时的美观性。
可以理解的是,吸光油墨层900各个位置处宽度均相等可以指:当中央透光区101的轮廓为矩形时,吸光油墨层900在矩形的四条边的宽度均相等。
在其他可能的实现方式中,显示装置内的吸光油墨层也可以设置在第二保护盖板200上。示例的,第二保护盖板200也可以具有中央透光区,以及位于中央透光区外围的边缘遮光区,显示装置内的吸光油墨层位于这个边缘遮光区内。并且,显示装置内的吸光油墨层可以为第二保护盖板200靠近第一保护盖板100的一侧,或者,显示装置内的吸光油墨层可以为第二保护盖板200靠近显示面板400的一侧。本申请实施例对吸光油墨层的位置不做具体限定。
在本申请实施例中,显示装置000中的显示面板400可以为有机发光二极管(英文:Organic Light Emitting Diode,简称:OLED),也可以为液晶显示面板。请参考图7和图8,图7是本申请实施例提供的另一种显示装置位于一侧的局部截面图,图8是本申请实施例提供的另一种显示装置位于另一侧的局部截面图。当显示装置000中的显示面板400为液晶显示面板时,显示装置000还可以包括:位于显示面板400背离第二保护盖板200的一侧的背光模组1000。
其中,显示面板400可以包括:相对设置的阵列基板401和彩膜基板402,以及位于阵列基板401和彩膜基板402之间的液晶层(图7中未画出)。在显示面板400中,彩膜基板402相对于阵列基板401更靠近第二保护盖板200,阵列基板401相对于彩膜基板402更靠近背光模组1000。为此,彩膜基板402可以与触控面板500连接,阵列基板401可以与背光模组1000连接。需要说明的是,显示面板400还可以包括:位于阵列基板401背离彩膜基板402一侧的第 一偏光片403,以及位于彩膜基板402背离阵列基板401一侧的第二偏光片404。其中,第一偏光片403的偏振方向可以与第二偏光片404的偏振方向垂直。
在本申请实施例中,背光模组1000可以为侧入式的背光模组,也可以为直下式的背光模组。为此,本申请实施例将以以下两个方面分别对此进行说明:
第一方面,当背光模组1000为侧入式的背光模组时,如图7和图8所示,背光模组1000可以包括:框体1001,位于框体1001内且沿远离显示面板400的方向层叠设置的光学膜片组1005、导光板1003和反射片1004,以及位于框体1001内且与导光板1003相对设置的侧入式光源1002。其中,侧入式光源1002的出光面朝向导光板1003的侧面,导光板1003位于反射片1004与光学膜片组1005之间,且光学膜片组1005相对于导光板1003更靠近显示面板400。其中,光学膜片组1005可以包含一个光学膜片,也可以包含多个光学膜片,当光学膜片组1005包含多个光学膜片时,这些光学膜片可以分别为:沿垂直且远离导光板1003的方向层叠设置的第一扩散片、第一棱镜片、第二棱镜片和第二扩散片。
框体1001可以包括:铁框1001a,以及与铁框1001a连接的胶框1001b。其中,框体1001通常为胶铁一体结构,也即是,在铁框1001a形成后直接在铁框1001a内通过注塑工艺形成胶框1001b;框体1001中的铁框1001a和胶框1001b也可以通过卡扣的方式卡合。本申请实施例对此不做限定。铁框1001a可以具有背板C,侧入式光源1002、导光板1003和反射片1004可以均位于背板C上。示例的,铁框1001a的材质可以为散热性较好的金属材质,例如,铁框100a1可以有金属铝制成。
对于导光板1003与反射片1004在框体1001内的组装方式。如图7所示,背光模组1000还可以包括:第一粘接条1006。其中,第一粘接条1006位于框体1001内且分布在背离侧入式光源1002的一侧,第一粘接条1006的一侧可以与背板C粘接,另一侧分别与反射片1004的边缘部分和导光板1003的边缘部分粘接。如此,通过第一粘接条1006可以将导光板1003与反射片1004均组装在框体1001内。
示例的,第一粘接条1006可以包括:条状的第一粘接部分1006a和条状的第二粘接部分1006b。其中,第一粘接部分1006a的厚度大于第二粘接部分1006b的厚度,且第一粘接部分1006a分别与背板C和导光板1003的边缘部分粘接,第二粘接部分1006b分别与背板C和反射片1004的边缘部分粘接。这样,通过 第一粘接条1006内厚度不同的粘接部分可以分别将导光板1003与反射片1004组装在框体1001内。
对于侧入式光源1002在框体1001内的组装方式。如图8所示,侧入式光源1002可以为条状的光源,例如,侧入式光源1002可以包括:条状的电路板1002a,以及在电路板1002a上的多个发光二极管(英文:Light-emitting Diode,简称:LED)灯珠1002b,电路板1002a上的多个LED灯珠1002b可以排布为一排。也即是,侧入式光源1002可以为灯条。其中,侧入式光源1002中的电路板1002a位于导光板1003背离光学膜片组1005的一侧。背光模组1000还可以包括:第二粘接条1007。侧入式光源1002中的电路板1002a与导光板1003之间可以通过第二粘接条1007粘接;侧入式光源1002中的LED灯珠1002b的出光面需要朝向导光板1003的侧面,且需要保证LED灯珠1002b的出光面与导光板1003的侧面接触。同时,侧入式光源1002中的电路板1002a可以放置在背板C上,且与背板C接触。这样,通过背板C可以对侧入式光源1002起到较好的散热作用,使得侧入式光源1002的工作温度较低。
对于光学膜片组1005在框体1001内的组装方式。如图9所示,图9是本申请实施例提供的一种各个光学膜片在框体内的结构示意图。框体1001中的胶框1001b具有定位凹槽E,光学膜片组1005内的各个光学膜片均具有定位凸起D。且光学膜片组1005内的各个光学膜片的定位凸起均可以位于定位凹槽E内。示例的,胶框1001b中的定位凹槽E的个数为多个,光学膜片组1005内的各个光学膜片中的定位凸起D的个数也为多个,且光学膜片组1005内的各个光学膜片中的多个定位凸起D与胶框1001b中的多个定位凹槽E一一对应,每个定位凸起D均可以位于对应的定位凹槽E内。如此,通过光学膜片中的多个定位凸起D与胶框100b中的多个定位凹槽E的配合,可以将各个光学膜片1005均组装在框体1001内。
在本申请实施例中,如图10所示,图10是本申请实施例提供的一种光学幕片的在定位凸起处的光路图。光学膜片组1005中最靠近显示面板400的光学膜片中的定位凸起D具有反光油墨层F。且反光油墨层F位于定位凸起D背离导光板1003的一侧。这里,反光油墨层F可以为白色的油墨层,且能够对光线进行反射。其中,反光油墨层F用于将导光板1003出色的光线中射向定位凸起D的光线,反射向反射片1004。
示例的,在光学膜片组1005中最靠近显示面板400的光学膜片中的定位凸起D上设置反光油墨层F后,反光油墨层F可以将从导光板1003出射的光线中射向定位凸起D的光线反射回导光板1003,使得导光板1003下方的反射片1004能够将此光线再次反射后,反射后的光线可以射向显示面板400的显示区。如此,通过在光学膜片组1005中最靠近显示面板400的光学膜片1005中的定位凸起D上设置反光油墨层F,可以有效的提高背光模组1000的出光效率,使得显示装置000对光线的利用率较高。
可选的,如图9所示,背光模组1000还可以包括:反光条1008。反光条1008位于框体1001内且分布在靠近侧入式光源1002的一侧,反光条1008可以光学膜片组1005背离导光板1003的一侧。这里,反光条1008靠近光学膜片组1005的一侧可以与光学膜片组1005中最靠近显示面板400的光学膜片粘接,且发光条1008中背离光学膜片组1005的一侧可以与框体1001中的铁框100a1粘接。
示例的,反光条1008可以为白色的反光条。其中,反光条1004在显示面板400的出光面所在平面上的正投影可以与侧入式光源1002在显示面板400的出光面所在平面上的正投影存在交叠区域,例如,侧入式光源1002中的各个LED灯珠1002b在显示面板400的出光面所在平面上的正投影可以位于反光条1004在显示面板400的出光面所在平面上的正投影内。这样,在侧入式光源1002出射的光线中射向反光条1008的光线,可以被发光条1008反射回导光板1003,通过设置反光条1008可以进一步的提高背光模组1000的出光效率。需要说明的是,反光条1004在显示面板400出光面所在平面上的正投影可以位于显示面板400的非显示区内。
在本申请实施例中,如图7和图8所示,显示面板400中的至少部分位于框体1001内,且背光模组1000还包括:位于框体1001与显示面板400之间的环状胶层1009,该环状胶层1009分别与框体1001和显示面板400粘接。通过环状胶层1009可以实现背光模组1000与显示面板400的组装。
可选的,显示装置000还可以包括:分别与显示面板400的边缘部分和背光模组400的边缘部分粘接的辅助粘接胶层1100。通过辅助粘接胶层1100可以实现提高显示面板400与背光模组1000组装时的牢固性。
第二方面,当背光模组1000为直下式的背光模组时,背光模组1000可以 包括:框体,以及位于框体内的且沿远离显示面板方向依次层叠设置的光学膜片组和直下式光源。框体具有定位凹槽,光学膜片组中的各个光学膜片均具有定位凸起,定位凸起位于定位凹槽内,且光学膜片组中最靠近显示面板的光学膜片中的定位凸起具有反光油墨层,反光油墨层位于定位凸起背离直下式光源的一侧。其中,反光油墨层用于将直下式光源出射的光线中射向定位凸起的光线,反射向直下式光源。
需要说明的是,当背光模组1000为直下式的背光模组时,其结构与侧入式的背光模组基本类似,不同点仅在于光源。直下式的背光模组中的直下式光源可以为灯板,且这个灯板可以包括:电路板,位于电路板靠近显示面板400一侧的反光层和多个阵列排布的LED灯珠。为此,被反光油墨层反射的光线可以被直下式光源中的反光层再次反射,且反射后的光线可以射向显示面板400的显示区。对于直下式的背光模组内的其他结构可以参考上述的侧入式的背光模组中的对应内容,本申请实施例对此不再赘述。
在本申请中,显示装置000可以为手机、平板电脑、电视或医用显示设备等任何具有显示功能的产品或设备。示例的,本申请实施例中的显示装置000的耐冲击性较好,因此特别适用于在户外使用的医用设备中。
综上所述,本申请实施例提供的显示装置,包括:第一盖板、第二保护盖板、第一粘接层和显示面板,在显示装置的正面受到撞击力后,第一保护盖板与第二保护盖板均能够承受此撞击力,并且第一保护盖板与第二保护盖板、之间设置的第一粘接层、能够对此撞击力进行缓冲。如此,通过层叠设置的第一保护盖板与第二保护盖板,以及位于二者之间的第一粘接层可以有效的对显示面板进行保护,进而降低了显示装置在使用过程中出现破碎的概率。并且,可以通过第一保护盖板与第二保护盖板组合错位的方式直接形成台阶结构,无需对保护盖板进行切割,有效的简化了在显示装置内形成台结构的过程,进而提高了显示装置的制备效率,且降低了显示装置的制造成本。
需要指出的是,在附图中,为了图示的清晰可能夸大了层和区域的尺寸。而且可以理解,当元件或层被称为在另一元件或层“上”时,它可以直接在其他元件上,或者可以存在中间的层。另外,可以理解,当元件或层被称为在另一元件或层“下”时,它可以直接在其他元件下,或者可以存在一个以上的中 间的层或元件。另外,还可以理解,当层或元件被称为在两层或两个元件“之间”时,它可以为两层或两个元件之间惟一的层,或还可以存在一个以上的中间层或元件。通篇相似的参考标记指示相似的元件。
在本申请中,术语“第一”和“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性。术语“多个”指两个或两个以上,除非另有明确的限定。
以上所述仅为本申请的可选的实施例,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、改进等,均应包含在本申请的保护范围之内。

Claims (20)

  1. 一种显示装置,其特征在于,包括:第一保护盖板、第二保护盖板、第一粘接层和显示面板;
    所述第一粘接层位于所述第一保护盖板和所述第二保护盖板之间,且分别与所述第一保护盖板和所述第二保护盖板粘接;
    所述显示面板位于所述第二保护盖板背离所述第一保护盖板的一侧,且所述显示面板的出光侧朝向所述第二保护盖板;
    其中,所述第一保护盖板的厚度大于所述第二保护盖板的厚度。
  2. 根据权利要求1所述的显示装置,其特征在于,所述第一保护盖板在所述第二保护盖板所在平面上的正投影位于所述第二保护盖板在所述第二保护盖板所在平面上的正投影内;所述第二保护盖板包括凸出部分,所述凸出部分在所述第二保护盖板所在平面上的正投影未被所述第一保护盖板在所述第二保护盖板所在平面上的正投影覆盖。
  3. 根据权利要求2所述的显示装置,其特征在于,所述显示面板具有用于与驱动组件绑定的绑定区,所述绑定区与所述凸出部分位于所述显示装置的同侧。
  4. 根据权利要求2所述的显示装置,其特征在于,所述第一保护盖板具有一个第一侧面和三个第二侧面;所述第二保护盖板具有一个第三侧面和三个第四侧面;
    其中,所述第一侧面与所述第三侧面相邻,且与所述第三侧面错开;所述三个第二侧面与所述三个第四侧面一一对应,所述第二侧面与对应的第四侧面相邻,且与对应的第四侧面共面;
    其中,所述第二保护盖板中位于所述第三侧面与所述第一侧面之间的部分为所述凸出部分。
  5. 根据权利要求1所述的显示装置,其特征在于,所述第一保护盖板具有中央透光区,以及位于所述中央透光区外围的边缘遮光区,所述显示装置还包括: 位于所述第一保护盖板靠近所述第二保护盖板一侧的吸光油墨层,所述吸光油墨层位于所述边缘遮光区内;
    或者,所述第二保护盖板具有中央透光区,以及位于所述中央透光区外围的边缘遮光区,所述显示装置还包括:位于所述第二保护盖板靠近所述第一保护盖板一侧的吸光油墨层,所述吸光油墨层位于所述边缘遮光区内;
    或者,所述第二保护盖板具有中央透光区,以及位于所述中央透光区外围的边缘遮光区,所述显示装置还包括:位于所述第二保护盖板靠近所述显示面板一侧的吸光油墨层,所述吸光油墨层位于所述边缘遮光区内。
  6. 根据权利要求5所述的显示装置,其特征在于,所述吸光油墨层呈环形,所述吸光油墨层的内轮廓线与所述中央透光区的外轮廓线重合,所述吸光油墨层各个位置处的宽度均相同。
  7. 根据权利要求1至6任一所述的显示装置,其特征在于,所述第一保护盖板的厚度在1.5毫米至2毫米范围内;所述第二保护盖板的厚度在0.7毫米至1.5毫米范围内;所述第一粘接层的厚度在0.1毫米至0.3毫米范围内。
  8. 根据权利要求1至6任一所述的显示装置,其特征在于,所述第一粘接层为整层设置的面状粘接层。
  9. 根据权利要求1至6任一所述的显示装置,其特征在于,所述显示装置还包括:位于所述第二保护盖板与所述显示面板之间的触控面板,位于所述触控面板与所述第二保护盖板之间的第二粘接层,以及位于所述触控面板与所述显示面板之间的第三粘接层;
    其中,所述第二粘接层分别与所述触控面板和所述第二保护盖板粘接,所述第三粘接层分别与所述触控面板和所述显示面板粘接。
  10. 根据权利要求9所述的显示装置,其特征在于,所述第二粘接层和所述第三粘接层均为整层设置的面状粘接层。
  11. 根据权利要求9所述的显示装置,其特征在于,所述第一粘接层的厚度、所述第二粘接层的厚度和所述第三粘接层的厚度相等。
  12. 根据权利要求1至6任一所述的显示装置,其特征在于,所述显示面板包括:相对设置的彩膜基板和阵列基板,以及位于所述彩膜基板和所述阵列基板之间的液晶层,所述彩膜基板相对于所述阵列基板更靠近所述第二保护盖板;
    所述显示装置还包括:位于所述显示面板背离所述第二保护盖板一侧的背光模组。
  13. 根据权利要求12所述的显示装置,其特征在于,所述背光模组包括:框体,位于所述框体内且沿远离显示面板方向依次层叠设置的光学膜片组、导光板和反射片,以及位于所述框体内且与所述导光板相对设置的侧入式光源;
    所述框体包括:铁框,以及与铁框连接的胶框,所述胶框具有定位凹槽,所述光学膜片组中的各个光学膜片均具有定位凸起,所述定位凸起位于所述定位凹槽内,且所述光学膜片组中最靠近所述显示面板的光学膜片中的定位凸起具有反光油墨层,所述反光油墨层位于所述定位凸起背离所述导光板的一侧;
    其中,所述反光油墨层用于将所述导光板出射的光线中射向所述定位凸起的光线,反射向所述反射片。
  14. 根据权利要求13所述的显示装置,其特征在于,所述铁框具有背板,所述反射片和所述导光板均位于所述背板上,所述背光模组还包括:第一粘接条,所述第一粘接条位于所述框体内且分布在背离所述侧入式光源的一侧;
    其中,所述第一粘接条包括:条状的第一粘接部分和条状的第二粘接部分,所述第一粘接部分的厚度大于所述第二粘接部分的厚度,且所述第一粘接部分分别与所述背板和所述导光板的边缘部分粘接,所述第二粘接部分分别与所述背板和所述反射片的边缘部分粘接。
  15. 根据权利要求13所述的显示装置,其特征在于,所述背光模组还包括:反光条,所述反光条位于所述框体且分布在靠近所述侧入式光源的一侧,所述反光条位于所述光学膜片组背离所述导光板的一侧;
    其中,所述反光条在所述显示面板的出光面所在平面上的正投影与所述侧入式光源在所述显示面板的出光面所在平面的正投影存在交叠区域;所述反光条在所述显示面板出光面所在平面的正投影位于所述显示面板的非显示区内。
  16. 根据权利要求15所述的显示装置,其特征在于,所述反光条靠近所述光学膜片组的一侧与所述光学膜片组中最靠近所述显示面板的光学膜片粘接,且所述发光条背离所述光学膜片组的一侧与所述铁框粘接。
  17. 根据权利要求13所述的显示装置,其特征在于,所述侧入式光源包括:条状的电路板,以及在所述电路板上的多个发光二极管LED灯珠,所述电路板位于所述光学膜片组的一侧,所述LED灯珠的出光面朝向所述导光板的侧面,且所述LED灯珠的出光面与所述导光板的侧面接触;
    所述背光模组还包括:第二粘接条,所述第二粘接条分别与所述电路板和所述导管板粘接。
  18. 根据权利要求13至17任一所述的显示装置,其特征在于,所述显示面板中的至少部分位于所述框体内,且所述背光模组还包括:位于所述框体与所述显示面板之间的环状胶层,所述环状胶层分别与所述框体和所述显示面板粘接。
  19. 根据权利要求13至17任一所述的显示装置,其特征在于,所述背光模组还包括:分别与所述显示面板的边缘部分和所述背光模组的边缘部分粘接的辅助粘接胶层。
  20. 根据权利要求12所述的显示装置,其特征在于,所述背光模组包括:框体,以及位于所述框体内且沿远离所述显示面板方向依次层叠设置的光学膜片组和直下式光源;
    所述框体具有定位凹槽,所述光学膜片组中的各个光学膜片均具有定位凸起,所述定位凸起位于所述定位凹槽内,且所述光学膜片组中最靠近所述显示面板的光学膜片中的定位凸起具有反光油墨层,所述反光油墨层位于所述定位 凸起背离所述直下式光源的一侧;
    其中,所述反光油墨层用于将所述直下式光源出射的光线中射向所述定位凸起的光线,反射向所述直下式光源。
PCT/CN2023/089139 2022-04-22 2023-04-19 显示装置 WO2023202600A1 (zh)

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CN113050829A (zh) * 2019-08-19 2021-06-29 京东方科技集团股份有限公司 柔性显示装置
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