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WO2021203893A1 - 显示模组、其固定方法及显示装置 - Google Patents

显示模组、其固定方法及显示装置 Download PDF

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Publication number
WO2021203893A1
WO2021203893A1 PCT/CN2021/079698 CN2021079698W WO2021203893A1 WO 2021203893 A1 WO2021203893 A1 WO 2021203893A1 CN 2021079698 W CN2021079698 W CN 2021079698W WO 2021203893 A1 WO2021203893 A1 WO 2021203893A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
shielding
hole
cover plate
display module
Prior art date
Application number
PCT/CN2021/079698
Other languages
English (en)
French (fr)
Inventor
李凡
朱潇龙
梁恒镇
王新鹏
牛文骁
龚兵
严志辉
Original Assignee
京东方科技集团股份有限公司
成都京东方光电科技有限公司
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, 成都京东方光电科技有限公司 filed Critical 京东方科技集团股份有限公司
Priority to US17/629,559 priority Critical patent/US20220271263A1/en
Publication of WO2021203893A1 publication Critical patent/WO2021203893A1/zh

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Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/40—OLEDs integrated with touch screens
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/8791—Arrangements for improving contrast, e.g. preventing reflection of ambient light
    • H10K59/8792—Arrangements for improving contrast, e.g. preventing reflection of ambient light comprising light absorbing layers, e.g. black layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/60—OLEDs integrated with inorganic light-sensitive elements, e.g. with inorganic solar cells or inorganic photodiodes
    • H10K59/65—OLEDs integrated with inorganic image sensors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/875—Arrangements for extracting light from the devices

Definitions

  • the present invention relates to the field of display technology, and in particular to a display module, a fixing method thereof, and a display device.
  • a through hole area may be provided in the display area of the display panel, and further, a camera and other devices may be provided in the through hole area.
  • a display panel having a display area, a transition area, and a through hole area, the transition area is located between the display area and the through hole area; the through hole area has a through hole penetrating the thickness direction of the display panel;
  • the cover plate is located on the light emitting side of the display panel
  • the light-shielding layer is located in the transition area and is located on the side of the cover plate facing the display panel;
  • the light-shielding structure includes an integrally formed light-shielding part and a supporting part, the light-shielding part is arranged around the inner wall of the through hole, and the supporting part is fixed on the back side of the display panel away from the cover plate;
  • a camera the camera is at least partially located in the through hole; the orthographic projection of the light shielding layer on the cover plate and the orthographic projection of the camera located in the through hole on the cover plate do not overlap, and The orthographic projection of the light shielding portion on the cover plate and the orthographic projection of the light shielding layer on the cover plate at least partially overlap.
  • the light shielding portion and the inner wall of the through hole are not in contact with each other.
  • the distance between the light shielding portion and the inner wall of the through hole is 0.1 mm-0.25 mm.
  • the light-shielding portion and the light-shielding layer are not in contact with each other.
  • the distance between the light-shielding portion and the light-shielding layer is less than 0.1 mm.
  • the distance between the orthographic projection of the light-shielding portion and the light-shielding layer on the cover plate and the adjacent edge of the through-hole area is 0.05 mm ⁇ 0.2mm.
  • the supporting portion is fixed to a side of the display panel away from the cover plate by a double-sided adhesive.
  • the orthographic projection of the double-sided tape on the cover plate is located within the orthographic projection range of the support portion on the cover plate.
  • the distance between the side of the double-sided tape that is far from the through hole and the side of the support portion that is far from the through hole is 0.2mm-0.5mm
  • the distance between the side of the double-sided tape close to the through hole and the shading part is 0.2mm-0.5mm.
  • the material of the shading structure is metal
  • the shading structure is formed by stamping.
  • the material of the light-shielding structure is plastic, and the light-shielding structure is formed by injection molding.
  • the display module further includes: a touch panel located between the cover plate and the display panel, and located between the touch panel and the cover plate
  • the polarizer, the first adhesive layer and the second adhesive layer; the touch panel and the display panel are bonded through the first adhesive layer, the polarizer and the cover plate pass through the first Two adhesive layers are attached.
  • an embodiment of the present invention also provides a display device including the above-mentioned display module.
  • an embodiment of the present invention also provides a method for fixing a display module, including:
  • the light-shielding structure includes an integrally formed light-shielding part and a support part, the support part is fixed with the display panel on a side with a double-sided tape and a protective film on the outside of the double-sided tape;
  • the protective film is torn off, the light shielding part is arranged around the inner wall of the through hole by using an alignment device, and the supporting part is fixed to the display panel away from the cover plate by the double-sided adhesive One side.
  • an alignment device is used to arrange the light shielding portion around the inner wall of the through hole, and the supporting portion is fixed to the display through the double-sided tape.
  • the side of the panel far away from the cover includes:
  • the suction nozzle of the alignment device sucks the edge area of the support portion, the suction nozzle installs the shading portion into the through hole, and the pressure head of the alignment device presses the support portion Attached to fix the support portion on the side of the display panel away from the cover plate.
  • FIG. 1 is a schematic diagram of a cross-sectional structure of a display panel in the related art
  • FIG. 2 is a schematic diagram of a cross-sectional structure of a display module provided by an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a three-dimensional structure of a light shielding structure provided by an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a cross-sectional structure of a light-shielding structure provided by an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a top view of a light-shielding structure provided by an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a partial cross-sectional structure of a film layer of a display module provided by an embodiment of the present invention.
  • FIG. 7 is a flowchart of a method for fixing a display module according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of the installation process of the display module provided by the embodiment of the present invention.
  • a through-hole area can be provided in the display area of the display panel, and further, a camera and other devices can be provided in the through-hole area.
  • the through hole area 01 usually only retains the glass cover 02, and the rest of the film and structure in the display panel 03 need to be removed, so that the camera 04 can be set in the through hole formed by cutting.
  • the display panel 03 displays a picture
  • the light emitted from the display area will leak from the side of the through hole, resulting in stray light.
  • the human eye can see the leakage, but also the imaging quality of the camera 04 is affected. Cause adverse effects.
  • a display module provided by an embodiment of the present invention, as shown in FIG. 2, includes:
  • the display panel 1 has a display area AA, a transition area BB, and a through hole area CC.
  • the transition area BB is located between the display area AA and the through hole area CC;
  • the through hole area CC has a through hole H penetrating the thickness direction of the display panel 1;
  • the cover plate 2 is located on the light emitting side of the display panel 1;
  • the light-shielding layer 9 is located in the transition area BB, and is located on the side of the cover plate 2 facing the display panel 1;
  • the light-shielding structure 3 includes an integrally formed light-shielding part 31 and a supporting part 32, the light-shielding part 31 is arranged around the inner wall of the through hole H, and the supporting part 32 is fixed on the side of the display panel 1 away from the cover plate 2;
  • the camera 4, the camera 4 is at least partially located in the through hole H; the orthographic projection of the light shielding layer 9 on the cover 2 and the orthographic projection of the camera 4 located in the through hole H on the cover 2 do not overlap, and the light shielding part 31 is in the The orthographic projection on the cover 2 and the orthographic projection of the light shielding layer 9 on the cover 2 at least partially overlap.
  • the cover plate 2 is retained in the through hole area CC, and the rest of the display panel 1 is cut off, thereby obtaining a through hole H, so that at least part of the camera 4 (such as a photosensitive element) is located in the through hole H.
  • the display area AA of the display panel 1 may include a base substrate, a driving circuit structure, an OLED device, and a packaging structure sequentially formed on the base substrate.
  • the display module may also include: The touch panel 5, the polarizer 6 located between the touch panel 5 and the cover plate 2, the first adhesive layer 7 and the second adhesive layer 8; the touch panel 5 and the display panel 1 pass through the first adhesive layer 7 Bonding, the polarizer 6 and the cover plate 2 are bonded through the second adhesive layer 8.
  • the touch panel 5, the polarizer 6, the first adhesive layer 7 and the second adhesive layer 8 are in the corresponding through hole area CC Parts were also cut off.
  • the transition area BB is an area between the through hole area CC and the display area AA that does not perform display, in order to block the light of the display area AA from exiting the transition area BB, the present invention is implemented
  • a light-shielding layer 9 on the side of the cover 2 facing the display panel 1 is provided in the transition zone BB.
  • the material of the light-shielding layer 9 is generally ink; in order to prevent the light-shielding layer 9 from blocking the light irradiated to the camera 4 and affecting the imaging quality of the camera 4 ,
  • the orthographic projection of the light shielding layer 9 on the cover 2 and the orthographic projection of the camera 4 located in the through hole H on the cover 2 do not overlap; and in order to prevent the light emitted from the display area AA of the display panel 1 from passing through the through hole H
  • the sides leak out, and the orthographic projection of the shading portion 31 on the cover plate 2 and the orthographic projection of the shading layer 9 on the cover plate 2 at least partially overlap.
  • FIG. 2 only illustrates each structure in a display screen. In practical applications, depending on the type of the display panel, other structures may be included, which is not specifically limited in the embodiment of the present invention.
  • the first adhesive layer and the second adhesive layer in the embodiments of the present invention may be optically clear adhesive (OCA), and the bonding strength of OCA is relatively high, and it has relatively high transparency. Will affect the display effect of the display panel.
  • OCA optically clear adhesive
  • the display module digs a hole to place at least part of the camera, which reduces the space occupied by the camera in the display area of the display module, increases the screen-to-body ratio of the display device, and saves
  • the display module of the invention is provided with a light-shielding structure including an integrally formed light-shielding part and a supporting part, wherein the light-shielding part is arranged around the inner wall of the through hole, the supporting part is fixed on the side of the display panel away from the cover plate, and the light-shielding part is on the cover plate
  • the orthographic projection and the orthographic projection of the light-shielding layer on the cover plate at least partially overlap, so that the light-shielding layer and the light-shielding portion surround the transition area in the through hole area, so that the light emitted from the display area is reflected several times in each stack, It will not be emitted from the side of each laminated layer or reflected
  • the cover plate is generally a rigid plate with a certain strength and high transmittance, and the cover plate is used to protect the display panel, touch panel and other devices under the cover plate.
  • the cover plate may be a glass cover plate with high light transmittance and low cost, or a plastic cover plate.
  • the shape of the through hole H in the embodiment of the present invention is a rectangle, and the transition area BB is a ring around the through hole area CC, but it is not limited to this, and the shape of the through hole H may also be Round, oval, U-shaped or other irregular shapes, etc.
  • Fig. 3 is a schematic diagram of the three-dimensional structure of the light-shielding structure 3
  • Fig. 4 is a schematic diagram of the cross-sectional structure corresponding to Fig. 3, such as
  • the shape of the shading structure 3 is a sleeve.
  • the outer shape of the sleeve is similar to a flange.
  • the shading part 31 of the sleeve is arranged around the inner wall of the through hole H. As shown in FIG.
  • the side of the supporting portion 32 fixed to the display panel in the light-shielding structure 3 of the present invention further includes a double-sided tape 33, and the supporting portion 32 is fixed to the display panel 1 through the double-sided tape 33 The side away from the cover 2.
  • the outer side of the double-sided adhesive 33 also includes a protective film 34.
  • the protective film 34 of the double-sided adhesive 33 is first torn off, as shown in FIG. 5, Fig. 5 is a schematic diagram of a top view of the sleeve-shaped light-shielding structure 3 (the light-shielding sleeve 3 in Fig.
  • FIG. 5 shows the light-shielding structure 3
  • Fig. 5 shows an embodiment of the protective film 34.
  • the ring-shaped part where the glue 33 overlaps, the part of the protective film 34 that protrudes out of the sleeve is the tear-off handle 341 of the protective film 34 (referred to as the protective film tearer 341 in Figure 5).
  • a cutting line 342 is also provided in the 34, so that the protective film 34 is peeled off from the side of the protective tear bar 341, and then the protective film 34 is torn off from the side of the cutting line 342 along the annular support portion 32.
  • the cut line 342 in FIG. 5 is to facilitate the tearing off of the protective film 34.
  • the cut line is optional and not unique, and the present invention does not limit this.
  • the included angle A between the bottom surface of the trapezoidal structure and the horizontal plane is generally 45°.
  • the included angle A has a certain deviation, which can be slightly greater than 45° or slightly less than 45°. The invention does not limit this.
  • the relationship between the outer diameter d of the cylindrical light-shielding portion 31 and the inner diameter D of the through hole H is: d ⁇ D, where the specific size of d is determined by the sleeve shape tolerance, sleeve installation tolerance, and through hole tolerance.
  • the light-shielding portion 31 can be arranged in contact with the inner wall of the through hole H, but due to the influence of the actual process, during installation, if the light-shielding portion 31 and the inner wall of the through hole H can be arranged in contact with each other, the light-shielding structure 3 It is difficult to install, the preferred solution is that the distance between the light shielding portion 31 and the inner wall of the through hole H is 0.1 mm-0.25 mm.
  • the thickness of the light-shielding layer is generally thin, in order to prevent the light-shielding portion of the light-shielding structure from damaging the light-shielding layer when installed to the bottom of the through hole, in the above-mentioned display module provided by the embodiment of the present invention, as shown in FIG. 2 , The light-shielding portion 31 and the light-shielding layer 9 are not in contact with each other.
  • FIG. 6 is a schematic diagram of the structure of a part of the film layer in FIG. 2, and the distance L between the light shielding portion 31 and the light shielding layer 9 is less than 0.1 mm.
  • the orthographic projection of the light shielding portion 31 and the light shielding layer 9 on the cover plate 2 and the adjacent edge distance w It can be 0.05mm to 0.2mm.
  • w is preferably 0, but in the actual process, it is difficult to achieve w to 0.
  • the selection range of w is 0.05 mm to 0.2 mm.
  • a side of the display panel 1 away from the cover 2 is usually provided with a supporting heat dissipation structure 10, and the supporting portion 31 is fixed to the supporting heat dissipation structure 10 by a double-sided tape 33.
  • the sleeve-shaped light-shielding structure 3 provided by the embodiment of the present invention is fixed in contact with the supporting and heat-dissipating structure 10 of the display back 1 through the double-sided tape 33, which can effectively avoid the problem of weak adhesion.
  • the double-sided tape should not be too large, which will result in the double-sided tape remaining on the outside of the support portion, which will affect the appearance of the display module. Therefore, in the above-mentioned display module provided by the embodiment of the present invention, as shown in FIG. 2 and FIG. As shown in FIG. 6, the orthographic projection of the double-sided adhesive tape 33 on the cover plate 2 is within the orthographic projection range of the support portion 31 on the cover plate 2.
  • the distance h1 between the sides far away from the through hole H in 32 may be 0.2mm-0.5mm
  • the distance h2 between the side near the through hole H in the double-sided tape 33 and the light shielding portion 31 may be 0.2mm-0.5mm .
  • the material of the light-shielding structure 3 may be metal.
  • the light-shielding structure 3 may be formed by stamping.
  • stamping and forming refers to the processing and forming method of applying external force to plates, strips, pipes and profiles by presses and molds to cause plastic deformation or separation, thereby obtaining workpieces (stamping parts) of the required shape and size .
  • the material of the light-shielding structure 3 may also be plastic.
  • the light-shielding structure 3 may be formed by injection molding.
  • the injection molding process refers to a process in which molten raw materials are pressurized, injected, cooled, and separated to produce semi-finished parts of a certain shape.
  • the material of the light-shielding structure may also be other light-shielding materials with light-shielding properties, which are not specifically limited in the embodiment of the present invention.
  • the material of the shading structure can be black material, of course, it can also be other dark materials, as long as the shading part can achieve a better shading effect under a certain thickness, this embodiment of the present invention does not do this. Specific restrictions.
  • the embodiment of the present invention provides a method for fixing the display module. Since the principle of the fixing method to solve the problem is similar to that of the above-mentioned display module, the fixing method provided by the embodiment of the invention is The implementation of can refer to the implementation of the above-mentioned display module provided in the embodiment of the present invention, and the repetition will not be repeated.
  • the method for fixing the display module of the embodiment of the present invention includes the following steps:
  • the light-shielding structure includes an integrally formed light-shielding part and a supporting part.
  • the side of the supporting part fixed to the display panel has a double-sided tape and a protective film on the outside of the double-sided tape; specifically, as shown in FIG. 4,
  • the light shielding structure 3 includes an integrally formed light shielding portion 31 and a supporting portion 32.
  • the side of the supporting portion 32 fixed to the display panel has a double-sided tape 33 and a protective film 34 located outside the double-sided tape 33;
  • the light-shielding part provided with the light-shielding structure is arranged around the inner wall of the through hole through the alignment device, and the supporting part is fixed on the side of the display panel away from the cover plate, so that the light-shielding part can be used for fixing
  • the light emitted from the display area to the through hole area is blocked, so the light emitted from the display area will not leak from the side of the through hole.
  • the human eye will not see the light leakage, but also the interference of the light on the process of receiving the imaging light by the camera is avoided. Therefore, the imaging quality of the camera is improved; in addition, the sleeve-shaped light-shielding structure provided by the embodiment of the present invention can be used to realize effective installation.
  • an alignment device is used to arrange the shading part around the inner wall of the through hole, and the support part is fixed to the side of the display panel away from the cover plate by double-sided adhesive.
  • Can include:
  • the suction nozzle 101 of the positioning device 100 sucks the edge area of the support portion 32, and the suction nozzle 101 installs the light shielding portion 31 into the through hole H, and at the same time, the pressure head of the positioning device 100 (the pressure head can be combined with the suction
  • the nozzle 101 is integrated into a single component, and the installation and pressing are carried out when the contract is attached.)
  • the support 32 is pressed to fix the support 32 on the side of the display panel 1 away from the cover 2.
  • the embodiment of the present invention uses a sleeve-shaped shading structure to shield the light emitted from the display area.
  • the alignment device is used to install the shading part around the inner wall of the through hole into the through hole, and the support part It is fixed on the side of the display panel away from the cover plate by double-sided adhesive, and the installation process is simple and feasible.
  • an embodiment of the present invention also provides a display device, including the above-mentioned display module provided by the embodiment of the present invention.
  • the principle of solving the problem of the display device is similar to that of the aforementioned display module. Therefore, the implementation of the display device can refer to the implementation of the aforementioned display module, and the repetitive points will not be repeated here.
  • the display device may be any product or component with display function, such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital photo frame, a navigator, and so on.
  • display function such as a mobile phone, a tablet computer, a television, a monitor, a notebook computer, a digital photo frame, a navigator, and so on.
  • Other indispensable components of the display device are understood by those of ordinary skill in the art, and will not be repeated here, nor should they be used as a limitation to the present invention.
  • the display module digs holes to place at least part of the camera, reduces the space occupied by the camera in the display area of the display module, and improves the screen of the display device.
  • the display module of the present invention is provided with a light-shielding structure including an integrally formed light-shielding part and a supporting part, wherein the light-shielding part is arranged around the inner wall of the through hole, the supporting part is fixed on the side of the display panel away from the cover plate, and the light-shielding part
  • the orthographic projection on the cover plate and the orthographic projection of the light-shielding layer on the cover plate at least partially overlap, so that the light-shielding layer and the light-shielding portion surround the transition area in the through hole area, so that the light emitted from the display area passes through the number of layers in each stack.

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Abstract

本发明提供了一种显示模组、其固定方法及显示装置，该显示模组通过设置包括一体成型的遮光部和支撑部的遮光结构，其中遮光部围绕通孔内壁设置，支撑部固定于显示面板远离盖板的一侧，且遮光部在盖板上的正投影与遮光层在盖板上的正投影至少部分交叠，这样遮光层和遮光部在通孔区将过渡区包围，从而显示区发出的光线在各叠层中经过数次反射后，不会发生由各叠层的侧边射出或经过数次侧边与摄像头之间的反射，而是经过数次侧边与遮光部之间的反射，并最终被遮光层遮挡，不会进入人眼，也不会照射至摄像头，从而不会发生通孔区CC漏光的现象，从而提高了摄像头的成像质量。

Description

显示模组、其固定方法及显示装置
相关申请的交叉引用
本申请要求在2020年04月09日提交中国专利局、申请号为202010272448.4、申请名称为“显示模组、其固定方法及显示装置”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
本发明涉及显示技术领域，特别涉及显示模组、其固定方法及显示装置。
背景技术
为了使显示面板实现较高的屏占比，可以在显示面板的显示区域中设置通孔区域，进而可以在通孔区域中设置摄像头等器件。
发明内容
本发明实施例提供的一种显示模组，包括：
显示面板，具有显示区、过渡区和通孔区，所述过渡区位于所述显示区和所述通孔区之间；所述通孔区具有贯穿所述显示面板厚度方向的通孔；
盖板，位于所述显示面板的出光侧；
遮光层，位于过渡区，且位于盖板面向显示面板的一侧；
遮光结构，包括一体成型的遮光部和支撑部，所述遮光部围绕所述通孔内壁设置，所述支撑部固定于所述显示面板的背面远离所述盖板的一侧；
摄像头，所述摄像头至少部分位于所述通孔内；所述遮光层在所述盖板上的正投影与位于所述通孔内的摄像头在所述盖板上的正投影不交叠，且所述遮光部在所述盖板上的正投影与所述遮光层在所述盖板上的正投影至少部分交叠。
可选地，在本发明实施例提供的上述显示模组中，所述遮光部与所述通 孔的内壁互不接触。
可选地，在本发明实施例提供的上述显示模组中，所述遮光部与所述通孔的内壁之间的距离为0.1mm-0.25mm。
可选地，在本发明实施例提供的上述显示模组中，所述遮光部与所述遮光层互不接触。
可选地，在本发明实施例提供的上述显示模组中，所述遮光部与所述遮光层之间的距离为小于0.1mm。
可选地，在本发明实施例提供的上述显示模组中，所述遮光部和所述遮光层在所述盖板上的正投影与所述通孔区相邻的边缘间距为0.05mm～0.2mm。
可选地，在本发明实施例提供的上述显示模组中，所述支撑部通过双面胶固定于所述显示面板远离所述盖板的一侧。
可选地，在本发明实施例提供的上述显示模组中，所述双面胶在所述盖板上的正投影位于所述支撑部在所述盖板上的正投影范围内。
可选地，在本发明实施例提供的上述显示模组中，所述双面胶中远离所述通孔的侧边与所述支撑部中远离所述通孔的侧边之间的距离为0.2mm-0.5mm，所述双面胶中靠近所述通孔的侧边与所述遮光部之间的距离为0.2mm-0.5mm。
可选地，在本发明实施例提供的上述显示模组中，所述遮光结构的材料为金属，所述遮光结构采用冲压方式成型。
可选地，在本发明实施例提供的上述显示模组中，所述遮光结构的材料为塑料，所述遮光结构采用注塑方式成型。
可选地，在本发明实施例提供的上述显示模组中，还包括：位于所述盖板和所述显示面板之间的触控面板，位于所述触控面板和所述盖板之间的偏光片，第一黏胶层和第二黏胶层；所述触控面板与所述显示面板通过所述第一黏胶层贴合，所述偏光片与所述盖板通过所述第二黏胶层贴合。
基于同一发明构思，本发明实施例还提供了显示装置，包括上述显示模组。
基于同一发明构思，本发明实施例还提供了一种显示模组的固定方法，包括：
提供一遮光结构，所述遮光结构包括一体成型的遮光部和支撑部，所述支撑部与显示面板固定的一面具有双面胶以及位于所述双面胶外侧的保护膜；
将所述保护膜撕掉，采用对位设备将所述遮光部围绕所述通孔的内壁设置，以及将所述支撑部通过所述双面胶固定于所述显示面板远离所述盖板的一侧。
可选地，在本发明实施例提供的上述固定方法中，采用对位设备将所述遮光部围绕所述通孔内壁设置，以及将所述支撑部通过所述双面胶固定于所述显示面板远离所述盖板的一侧，具体包括：
所述对位设备的吸嘴吸附所述支撑部的边缘区域，所述吸嘴将所述遮光部安装至所述通孔内，同时所述对位设备的压头对所述支撑部进行压附，以将所述支撑部固定于所述显示面板远离所述盖板的一侧。
附图说明
图1为相关技术中显示面板的剖面结构示意图；
图2为本发明实施例提供的显示模组的剖面结构示意图；
图3为本发明实施例提供的遮光结构的立体结构示意图；
图4为本发明实施例提供的遮光结构的截面结构示意图；
图5为本发明实施例提供的遮光结构的俯视结构示意图；
图6为本发明实施例提供的显示模组的部分膜层剖面结构示意图；
图7为本发明实施例提供的显示模组的固定方法的流程图；
图8为本发明实施例提供的显示模组的安装过程结构示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚，下面将结合本发明实施例的附图，对本发明实施例的技术方案进行清楚、完整地描述。显然， 所描述的实施例是本发明的一部分实施例，而不是全部的实施例。并且在不冲突的情况下，本发明中的实施例及实施例中的特征可以相互组合。基于所描述的本发明的实施例，本领域普通技术人员在无需创造性劳动的前提下所获得的所有其他实施例，都属于本发明保护的范围。
除非另外定义，本发明使用的技术术语或者科学术语应当为本发明所属领域内具有一般技能的人士所理解的通常意义。本发明中使用的“第一”、“第二”以及类似的词语并不表示任何顺序、数量或者重要性，而只是用来区分不同的组成部分。“包括”或者“包含”等类似的词语意指出现该词前面的元件或者物件涵盖出现在该词后面列举的元件或者物件及其等同，而不排除其他元件或者物件。“连接”或者“相连”等类似的词语并非限定于物理的或者机械的连接，而是可以包括电性的连接，不管是直接的还是间接的。“内”、“外”、“上”、“下”等仅用于表示相对位置关系，当被描述对象的绝对位置改变后，则该相对位置关系也可能相应地改变。
需要注意的是，附图中各图形的尺寸和形状不反映真实比例，目的只是示意说明本发明内容。并且自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。
目前，为了使显示面板实现较高的屏占比，可以在显示面板的显示区域中设置通孔区域，进而可以在通孔区域中设置摄像头等器件。如图1所示，该通孔区域01通常仅保留玻璃盖板02，显示面板03中的其余膜层、结构都需要进行切除，从而摄像头04便可以设置在切割形成的通孔中。然而，在实际应用中，当显示面板03显示画面时，显示区域发出的光线会从通孔侧边漏出，从而产生杂散光，不仅人眼能够看到该漏光，而且会对摄像头04的成像质量造成不良影响。
本发明实施例提供的一种显示模组，如图2所示，包括：
显示面板1，具有显示区AA、过渡区BB和通孔区CC，过渡区BB位于显示区AA和通孔区CC之间；通孔区CC具有贯穿显示面板1厚度方向的通孔H；
盖板2，位于显示面板1的出光侧；
遮光层9，位于过渡区BB，且位于盖板2面向显示面板1的一侧；
遮光结构3，包括一体成型的遮光部31和支撑部32，遮光部31围绕通孔H的内壁设置，支撑部32固定于显示面板1远离盖板2的一侧；
摄像头4，摄像头4至少部分位于通孔H内；遮光层9在盖板2上的正投影与位于通孔H内的摄像头4在盖板2上的正投影不交叠，且遮光部31在盖板2上的正投影与遮光层9在盖板2上的正投影至少部分交叠。如图2所示，通孔区CC仅保留盖板2，显示面板1中的其余部分都被切除，从而得到通孔H，以将摄像头4至少部分(如感光元件)位于通孔H内。显示面板1的显示区AA可以包括衬底基板、依次形成在衬底基板上的驱动电路结构、OLED器件、封装结构，该显示模组还可以包括：位于盖板2和显示面板1之间的触控面板5，位于触控面板5和盖板2之间的偏光片6，第一黏胶层7和第二黏胶层8；触控面板5与显示面板1通过第一黏胶层7贴合，偏光片6与盖板2通过第二黏胶层8贴合，触控面板5、偏光片6、第一黏胶层7和第二黏胶层8在对应的通孔区CC的部分也被切除。
在具体实施时，如图2所示，由于过渡区BB是位于通孔区CC和显示区AA之间不进行显示的区域，为了遮挡显示区AA的光线从过渡区BB出射，因此本发明实施例通过在过渡区BB设置位于盖板2面向显示面板1一侧的遮光层9，遮光层9的材料一般为油墨；为了避免遮光层9挡住照射至摄像头4的光线而影响摄像头4的成像质量，遮光层9在盖板2上的正投影与位于通孔H内的摄像头4在盖板2上的正投影不交叠；并且为了防止显示面板1显示区AA发出的光线会从通孔H侧边漏出，遮光部31在盖板2上的正投影与遮光层9在盖板2上的正投影至少部分交叠。这样遮光层9和遮光部31在通孔区CC将过渡区BB包围，从而显示区AA发出的光线在各叠层中(第一黏胶层7、触控面板5、偏光片6、第二黏胶层8等)经过n次反射(n＝0，1，2，3……)后，不会发生由各叠层的侧边射出或经过数次侧边与摄像头4之间的反射，而是经过数次侧边与遮光部31之间的反射，并最终被遮光层9遮挡， 不会进入人眼，也不会照射至摄像头4，从而不会发生通孔区CC漏光的现象。
需要说明的是，图2中仅示意出了一种显示屏中的各个结构，在实际应用中，随着显示面板类型的不同，还可以包括其他结构，本发明实施例对此不作具体限定。
在具体实施时，本发明实施例中的第一黏胶层和第二黏胶层可以为光学胶(Optically Clear Adhesive，OCA)，OCA的粘结强度较高，且具有较高的透明度，不会影响显示面板的显示效果。
在本发明实施例提供的上述显示模组中，显示模组挖孔以放置摄像头的至少部分，降低了摄像头在显示模组的显示区占用的空间，提高了显示设备的屏占比，并且本发明的显示模组通过设置包括一体成型的遮光部和支撑部的遮光结构，其中遮光部围绕通孔的内壁设置，支撑部固定于显示面板远离盖板的一侧，且遮光部在盖板上的正投影与遮光层在盖板上的正投影至少部分交叠，这样遮光层和遮光部在通孔区将过渡区包围，从而显示区发出的光线在各叠层中经过数次反射后，不会发生由各叠层的侧边射出或经过数次侧边与摄像头之间的反射，而是经过数次侧边与遮光部之间的反射，并最终被遮光层遮挡，不会进入人眼，也不会照射至摄像头，从而不会发生通孔区CC漏光的现象，从而提高了摄像头的成像质量。
在具体实施时，盖板一般为具有一定强度且透过率较高的硬板，盖板用于保护盖板下方的显示面板、触控面板等器件。具体地，盖板可以为透光率高且成本较低的玻璃盖板，也可以为塑料盖板。
在具体实施时，如图2所示，本发明实施例中的通孔H的形状为矩形，过渡区BB为围绕通孔区CC的环形，但不限于此，通孔H的形状还可以为圆形、椭圆形、U形或其它不规则形状等。
在具体实施时，在本发明实施例提供的上述显示模组中，如图3和图4所示，图3为遮光结构3的立体结构示意图，图4为图3对应的截面结构示意图，如图3所示，该遮光结构3的形状为套筒，该套筒外形类似法兰，套筒的遮光部31围绕通孔H内壁设置，摄像头4的至少部分位于套筒(由遮光 部31形成的容纳空间)内；如图4所示，本发明中的遮光结构3中的支撑部32与显示面板固定的一面还包括双面胶33，支撑部32通过双面胶33固定于显示面板1远离盖板2的一侧。遮光结构3在与显示面板固定之前，双面胶33外侧还包括保护膜34，在遮光结构3与显示面板固定时，首先将双面胶33的保护膜34撕离，如图5所示，图5为套筒形状的遮光结构3的俯视结构示意图(图5中以遮光套筒3示意遮光结构3)，图5示意出保护膜34的一种实施例，该保护膜34具有与双面胶33重叠的环形部分，保护膜34中伸出套筒外的部分为保护膜34的撕膜把手341(图5中示意简称为保护膜撕手341)，为了方便撕膜，环形的保护膜34内还设有切断线342，这样从保护撕把341一侧揭开保护膜34，然后从切断线342一侧沿着环形支撑部32撕掉保护膜34。
在具体实施时，图5中的切断线342是为了保护膜34方便撕离，当然切断线为可选，且不唯一，本发明对此不作限定。
在具体实施时，为了制作在本发明实施例提供的上述显示模组中，如图4所示，遮光部31与支撑部32之间采用梯形结构一体成型，这是为了在制作遮光结构时方便工艺成型，该梯形结构的底面与水平面之间的夹角A一般为45°，当然，在实际工艺中，该夹角A具有一定偏差，可以稍大于45°，也可以稍小于45°，本发明对此不作限定。
在具体实施时，为了便于将遮光结构安装至通孔内，在本发明实施例提供的上述显示模组中，如图2所示，遮光部31与通孔H的内壁互不接触，即套筒形状的遮光部31的外径d与通孔H的内径D的关系为：d<D，其中d的具体尺寸由套筒外形公差、套筒安装公差和通孔公差共同决定。通过将遮光部31与通孔H的内壁之间留有一定距离，这样将套筒形状的遮光结构的遮光部31安装至通孔H内时，可以保证遮光部31能够围绕通孔H的内壁设置。
在具体实施时，由于通孔一般开设的较小，如果遮光部距离通孔内壁较远的话，则通孔内放置摄像头的空间就会较小，可能导致放置摄像头的空间不足，为了既能够保证遮光部围绕通孔内壁设置，又能保证通孔内有足够的 空间放置摄像头，因此在本发明实施例提供的上述显示模组中，如图2所示，遮光部31与通孔H的内壁之间的距离可以为0.1mm-0.25mm，即D-d＝0.1mm-0.25mm。当然，在具体实施时，遮光部31与通孔H的内壁可以接触设置，但是由于实际工艺的影响，在安装时，若遮光部31与通孔H的内壁正好可以接触设置，这样遮光结构3的安装难度较大，优选方案为遮光部31与通孔H的内壁之间的距离为0.1mm-0.25mm。
在具体实施时，由于遮光层的厚度一般较薄，为了防止遮光结构的遮光部在安装至通孔底部时破坏遮光层，在本发明实施例提供的上述显示模组中，如图2所示，遮光部31与遮光层9互不接触。
在具体实施时，由于遮光部与遮光层之间互不接触，即遮光部与遮光层之间具有一定的距离，若该距离较大，则遮光部和遮光层在通孔区不能围成接近封闭的结构，则会导致显示区发出的光线从遮光层和遮光部之间缝隙内漏出，即遮光部的设置不能完全阻挡显示区的光线，因此为了完全阻挡显示区的光线从通孔区漏出，在本发明实施例提供的上述显示模组中，如图6所示，图6为图2中部分膜层的结构示意图，遮光部31与遮光层9之间的距离L为小于0.1mm。
在具体实施时，在本发明实施例提供的上述显示模组中，如图6所示，遮光部31和遮光层9在盖板2上的正投影与通孔区CC相邻的边缘间距w可以为0.05mm～0.2mm。当然，w优选为0，但是在实际工艺中，很难做到w为0，为了不影响通孔区CC设置摄像头4的空间，w选择范围为0.05mm～0.2mm。
在具体实施时，在本发明实施例提供的上述显示模组中，如图2所示，支撑部31通过双面胶33固定于显示面板1远离盖板2的一侧。具体地，该显示模组中显示面板1远离盖板2的一侧通常设置支撑散热结构10，支撑部31则通过双面胶33与支撑散热结构10固定。本发明实施例提供的套筒形状的遮光结构3通过双面胶33与显示背面1的支撑散热结构10接触固定，可以有效避免粘贴不牢固的问题。
在具体实施时，双面胶不宜过大，则会导致支撑部外侧留有双面胶，影 响显示模组的外观，因此在本发明实施例提供的上述显示模组中，如图2和图6所示，双面胶33在盖板2上的正投影位于支撑部31在盖板2上的正投影范围内。
在具体实施时，考虑双面胶的贴合公差等因素，在本发明实施例提供的上述显示模组中，如图6所示，双面胶33中远离通孔H的侧边与支撑部32中远离通孔H的侧边之间的距离h1可以为0.2mm-0.5mm，双面胶33中靠近通孔H的侧边与遮光部31之间的距离h2可以为0.2mm-0.5mm。
在具体实施时，在本发明实施例提供的上述显示模组中，遮光结构3的材料可以为金属，当遮光结构3采用金属材料制作时，遮光结构3可以采用冲压方式成型。具体地，冲压成型是指靠压力机和模具对板材、带材、管材和型材等施加外力，使之产生塑性变形或分离，从而获得所需形状和尺寸的工件(冲压件)的加工成型方法。
在具体实施时，在本发明实施例提供的上述显示模组中，遮光结构3的材料也可以为塑料，当遮光结构3采用塑料材料制作时，遮光结构3可以采用注塑方式成型。注塑成型工艺是指将熔融的原料通过加压、注入、冷却、脱离等操作制作一定形状的半成品件的工艺过程。
在具体实施时，遮光结构的材料还可以采用其他具有遮光性能的遮光材料，本发明实施例对此不作具体限定。
在具体实施时，遮光结构的材料可以选用黑色材料，当然也可以是其他深色材料，只要保证遮光部在一定的厚度下，能够达到较好的遮光效果即可，本发明实施例对此不作具体限定。
基于同一发明构思，本发明实施例提供了一种显示模组的固定方法，由于该固定方法解决问题的原理与上述显示模组解决问题的原理相似，因此，本发明实施例提供的该固定方法的实施可以参见本发明实施例提供的上述显示模组的实施，重复之处不再赘述。
具体地，本发明实施例的显示模组的固定方法，如图7所示，包括以下步骤：
S701、提供一遮光结构，遮光结构包括一体成型的遮光部和支撑部，支撑部与显示面板固定的一面具有双面胶以及位于双面胶外侧的保护膜；具体地，如图4所示，该遮光结构3包括一体成型的遮光部31和支撑部32，支撑部32与显示面板固定的一面具有双面胶33以及位于双面胶33外侧的保护膜34；
S702、将保护膜撕掉，采用对位设备将遮光部围绕通孔的内壁设置，以及将支撑部通过双面胶固定于显示面板远离盖板的一侧；具体地，如图8所示，将保护膜34撕掉，采用对位设备100将遮光部31围绕通孔H的内壁设置，以及将支撑部32通过双面胶33固定于显示面板1远离盖板2的一侧。
本发明实施例提供的上述显示模组的固定方法，通过对位设备将设置遮光结构的遮光部围绕通孔内壁设置，支撑部固定于显示面板远离盖板的一侧，从而可以通过遮光部对显示区射向通孔区的光线进行遮挡，则显示区发出的光线不会从通孔侧边漏出，不仅人眼不会看到漏光，并且避免了该光线对摄像头接收成像光线的过程产生干扰，从而提高了摄像头的成像质量；另外，采用本发明实施例提供的套筒形状的遮光结构，可以实现有效安装。
在具体实施时，在本发明实施例提供的上述固定方法中，采用对位设备将遮光部围绕通孔内壁设置，以及将支撑部通过双面胶固定于显示面板远离盖板的一侧，具体可以包括：
如图8所示，对位设备100的吸嘴101吸附支撑部32的边缘区域，吸嘴101将遮光部31安装至通孔H内，同时对位设备100的压头(压头可与吸嘴101集成为一个部件，安装与压附贴合同时进行)对支撑部32进行压附，以将支撑部32固定于显示面板1远离盖板2的一侧。
在具体实施时，本发明实施例采用套筒形状的遮光结构进行遮挡显示区发出的光线，在安装时，只需采用对位设备将遮光部围绕通孔内壁安装至通孔内，且支撑部通过双面胶固定于显示面板远离盖板的一侧，安装工艺简单可行。
基于同一发明构思，本发明实施例还提供了一种显示装置，包括本发明 实施例提供的上述显示模组。该显示装置解决问题的原理与前述显示模组相似，因此该显示装置的实施可以参见前述显示模组的实施，重复之处在此不再赘述。
在具体实施时，在本发明实施例中，显示装置可以为：手机、平板电脑、电视机、显示器、笔记本电脑、数码相框、导航仪等任何具有显示功能的产品或部件。对于该显示装置的其它必不可少的组成部分均为本领域的普通技术人员应该理解具有的，在此不做赘述，也不应作为对本发明的限制。
本发明实施例提供的显示模组、其固定方法及显示装置，该显示模组挖孔以放置摄像头的至少部分，降低了摄像头在显示模组的显示区占用的空间，提高了显示设备的屏占比，并且本发明的显示模组通过设置包括一体成型的遮光部和支撑部的遮光结构，其中遮光部围绕通孔内壁设置，支撑部固定于显示面板远离盖板的一侧，且遮光部在盖板上的正投影与遮光层在盖板上的正投影至少部分交叠，这样遮光层和遮光部在通孔区将过渡区包围，从而显示区发出的光线在各叠层中经过数次反射后，不会发生由各叠层的侧边射出或经过数次侧边与摄像头之间的反射，而是经过数次侧边与遮光部之间的反射，并最终被遮光层遮挡，不会进入人眼，也不会照射至摄像头，从而不会发生通孔区漏光的现象，从而提高了摄像头的成像质量。
尽管已描述了本发明的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例作出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本发明范围的所有变更和修改。
显然，本领域的技术人员可以对本发明实施例进行各种改动和变型而不脱离本发明实施例的精神和范围。这样，倘若本发明实施例的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (15)

  1. 一种显示模组，其中，包括：
    显示面板，具有显示区、过渡区和通孔区，所述过渡区位于所述显示区和所述通孔区之间；所述通孔区具有贯穿所述显示面板厚度方向的通孔；
    盖板，位于所述显示面板的出光侧；
    遮光层，位于所述过渡区，且位于所述盖板面向所述显示面板的一侧；
    遮光结构，包括一体成型的遮光部和支撑部，所述遮光部围绕所述通孔内壁设置，所述支撑部固定于所述显示面板远离所述盖板的一侧；
    摄像头，所述摄像头至少部分位于所述通孔内；所述遮光层在所述盖板上的正投影与位于所述通孔内的摄像头在所述盖板上的正投影不交叠，且所述遮光部在所述盖板上的正投影与所述遮光层在所述盖板上的正投影至少部分交叠。
  2. 如权利要求1所述的显示模组，其中，所述遮光部与所述通孔的内壁互不接触。
  3. 如权利要求2所述的显示模组，其中，所述遮光部与所述通孔的内壁之间的距离为0.1mm-0.25mm。
  4. 如权利要求1所述的显示模组，其中，所述遮光部与所述遮光层互不接触。
  5. 如权利要求4所述的显示模组，其中，所述遮光部与所述遮光层之间的距离为小于0.1mm。
  6. 如权利要求1所述的显示模组，其中，所述遮光部和所述遮光层在所述盖板上的正投影与所述通孔区相邻的边缘间距为0.05mm～0.2mm。
  7. 如权利要求1所述的显示模组，其中，所述支撑部通过双面胶固定于所述显示面板远离所述盖板的一侧。
  8. 如权利要求7所述的显示模组，其中，所述双面胶在所述盖板上的正投影位于所述支撑部在所述盖板上的正投影范围内。
  9. 如权利要求8所述的显示模组，其中，所述双面胶中远离所述通孔的侧边与所述支撑部中远离所述通孔的侧边之间的距离为0.2mm-0.5mm，所述双面胶中靠近所述通孔的侧边与所述遮光部之间的距离为0.2mm-0.5mm。
  10. 如权利要求1所述的显示模组，其中，所述遮光结构的材料为金属，所述遮光结构采用冲压方式成型。
  11. 如权利要求1所述的显示模组，其中，所述遮光结构的材料为塑料，所述遮光结构采用注塑方式成型。
  12. 如权利要求1所述的显示模组，其中，还包括：位于所述盖板和所述显示面板之间的触控面板，位于所述触控面板和所述盖板之间的偏光片，第一黏胶层和第二黏胶层；所述触控面板与所述显示面板通过所述第一黏胶层贴合，所述偏光片与所述盖板通过所述第二黏胶层贴合。
  13. 一种显示装置，其中，包括如权利要求1-12任一项所述的显示模组。
  14. 一种如权利要求1-12任一项所述的显示模组的固定方法，其中，包括：
    提供一遮光结构，所述遮光结构包括一体成型的遮光部和支撑部，所述支撑部与显示面板固定的一面具有双面胶以及位于所述双面胶外侧的保护膜；
    将所述保护膜撕掉，采用对位设备将所述遮光部围绕所述通孔的内壁设置，以及将所述支撑部通过所述双面胶固定于所述显示面板远离所述盖板的一侧。
  15. 如权利要求14所述的固定方法，其中，采用对位设备将所述遮光部围绕所述通孔内壁设置，以及将所述支撑部通过所述双面胶固定于所述显示面板远离所述盖板的一侧，具体包括：
    所述对位设备的吸嘴吸附所述支撑部的边缘区域，所述吸嘴将所述遮光部安装至所述通孔内，同时所述对位设备的压头对所述支撑部进行压附，以将所述支撑部固定于所述显示面板远离盖板的一侧。
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