CN212276164U - Display assembly and terminal equipment - Google Patents

Display assembly and terminal equipment Download PDF

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Publication number
CN212276164U
CN212276164U CN202021060584.9U CN202021060584U CN212276164U CN 212276164 U CN212276164 U CN 212276164U CN 202021060584 U CN202021060584 U CN 202021060584U CN 212276164 U CN212276164 U CN 212276164U
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hole
injection molding
hole wall
liquid crystal
crystal panel
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CN202021060584.9U
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Chinese (zh)
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刘旭忠
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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Abstract

The disclosure relates to a display assembly and a terminal device. Display module is applied to terminal equipment, and terminal equipment includes the camera, and display module includes: a liquid crystal panel; the backlight module is opposite to the liquid crystal panel and is provided with a through hole, the through hole is used for accommodating at least a part of cameras, the backlight module comprises a backlight plate, and the hole wall of the through hole is formed by extending the backlight plate to the liquid crystal panel; the injection molding piece is integrally molded with the hole wall, the shading injection molding piece at least covers the outer side surface of the hole wall and is higher than the end surface of the hole wall, and the top surface of the injection molding piece is abutted against the bottom surface of the liquid crystal panel; the first shading layer is pasted between the injection molding part and the liquid crystal panel. Through this disclosure, prevent that the light that backlight unit sent from by the lateral surface reflection of pore wall, avoid the light leak phenomenon.

Description

Display assembly and terminal equipment
Technical Field
The disclosure relates to the technical field of display equipment, in particular to a display assembly and terminal equipment
Background
With the continuous progress of science and technology, people have higher and higher requirements on the functions and the display effect of terminal equipment. For example, terminals such as mobile phones, tablet computers, and notebooks have front cameras to satisfy the functions of photographing and shooting. However, the front camera occupies a large area of the display screen, which affects the display effect.
In the related art, the hole digging screen is adopted, so that the photographing function and the display effect close to the full screen are realized. Generally, a through hole is formed in a backlight module, the hole wall of the through hole is formed by stretching a backlight plate, the hole wall abuts against the bottom surface of a liquid crystal panel, and then a secondary dispensing mode is adopted to shield a gap between the hole wall and the liquid crystal panel so as to prevent light emitted by the backlight module from entering the inner side of the hole wall through the gap to influence the photographing of a front camera, and a certain shading effect is achieved.
However, although the light entering the inner side of the hole wall can be shielded by the secondary dispensing, the light emitted by the backlight module is reflected when the light irradiates the outer side of the hole wall, and the reflected light irradiates the liquid crystal panel, thereby causing a light leakage phenomenon and affecting the display effect.
SUMMERY OF THE UTILITY MODEL
To overcome the problems in the related art, the present disclosure provides a display assembly and a terminal device.
According to a first aspect of the embodiments of the present disclosure, there is provided a display module applied to a terminal device, where the terminal device includes a camera, and the display module includes: a liquid crystal panel; the backlight module is opposite to the liquid crystal panel and is provided with a through hole, the through hole is used for accommodating at least a part of cameras, the backlight module comprises a backlight plate, and the hole wall of the through hole is formed by extending the backlight plate to the liquid crystal panel; the injection molding piece is integrally molded with the hole wall, the shading injection molding piece at least covers the outer side surface of the hole wall and is higher than the end surface of the hole wall, and the top surface of the injection molding piece is abutted against the bottom surface of the liquid crystal panel; the first shading layer is pasted between the injection molding part and the liquid crystal panel.
In one embodiment, the wall of the hole is provided with an injection molding hole, and a part of the injection molding piece is molded in the injection molding hole.
In one embodiment, the injection molded hole is disposed at the intersection of the hole wall and the backlight plate.
In one embodiment, the sides of the hole wall are inclined towards the center of the through hole.
In an embodiment, an inclination angle of the side surface of the hole wall is a preset angle, and the preset angle is determined based on the inclination angle of the outer side surface of the camera.
In one embodiment, the side surface of the hole wall forms an angle of 98-102 ° with the horizontal plane.
In one embodiment, the backlight module further includes a reflective plate, a light guide plate, a diffusion sheet, and a prism sheet stacked in this order, and the first light shielding layer covers a portion of the prism sheet.
In one embodiment, the liquid crystal panel includes an upper polarizer, a color filter, a glass substrate, and a lower polarizer, which are stacked in sequence, and the lower polarizer is formed with an opening communicating with the through hole.
In an embodiment, a second light shielding layer is disposed between the color filter and the glass substrate, and the second light shielding layer covers an edge of the opening of the lower polarizer.
In one embodiment, the display assembly further comprises: and the shading adhesive layer covers the opening edge of the lower polarizer.
In one embodiment, the injection molded part covers an end face of the bore wall.
In one embodiment, the top surface of the injection molded part has a width of 0.3 mm.
According to another aspect of the embodiments of the present disclosure, there is provided a terminal device, including:
in the first aspect and the display module and the camera according to any embodiment of the first aspect, at least a portion of the camera is accommodated in a through hole formed in a backlight module of the display module
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
the outer side surface of the hole wall is covered by the injection molding piece, so that light rays emitted by the backlight module are prevented from being reflected by the outer side surface of the hole wall, and the light leakage phenomenon is avoided.
The injection molding does not occupy the inner space of the through hole, so that the through hole formed by the backlight module is smaller, and the increase of the screen occupation ratio is facilitated.
Shading is achieved without using a dispensing process, assembly is simple, and production cost is greatly reduced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 is a schematic structural view of a display module in the related art.
FIG. 2 is a schematic view of a light reflection diagram of a display module according to the related art.
Fig. 3 is a schematic diagram illustrating a display assembly according to an exemplary embodiment of the present disclosure.
Fig. 4 is a schematic structural view illustrating a structural portion of a display module according to an exemplary embodiment of the present disclosure.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Fig. 1 is a schematic structural view of a display module in the related art. As shown in fig. 1, the display assembly 100 includes a liquid crystal panel 10 and a backlight module 20 opposite to the liquid crystal panel 10. The backlight module 20 includes a backlight plate 21, a reflective plate 22, a light guide plate 23, a diffuser plate 24 and a prism sheet 25 stacked in sequence. The backlight module 20 has a through hole for accommodating at least a portion of the front camera 30. The wall 26 of the through hole is formed by stretching the backlight plate in a direction perpendicular to the liquid crystal panel 10. The first hot melt adhesive 40 is coated on the gap between the end surface of the hole wall and the liquid crystal panel 10 in a secondary dispensing manner to shield light, and the second hot melt adhesive 50 is coated on the gap between the first hot melt adhesive and the hole wall of the hole wall 26 to shield light.
However, the above solution has at least the following problems:
1. the light d emitted from the backlight module is reflected by the light guide plate 23 and emitted to the outer side of the hole wall 26, and the reflected light d is emitted through the prism sheet 25 and emitted to the display area of the liquid crystal panel 10, resulting in light leakage (shown in fig. 2).
2. The secondary dispensing width occupies a large space in the hole, so that the aperture is large, and the screen occupation ratio is not increased favorably.
3. The glue dispensing process is difficult, 10-14 glue dispensers are required to be arranged on a production line of the secondary glue dispensing process, and the cost is high.
4. The glue dispensing process falls in the whole assembling machine or the whole machine, the camera and the hot melt adhesive are interfered, and the falling and sealing of the hot melt adhesive are caused to lose efficacy.
In view of this, according to the embodiments of the present disclosure, a display module is provided, which can not only ensure the light-shielding effect, but also reduce the aperture size of the backlight module and increase the screen ratio; meanwhile, the process cost can be reduced.
Fig. 3 is a schematic structural diagram of a display module according to an exemplary embodiment of the present disclosure. As shown in fig. 3, the display device 200 according to the embodiment of the disclosure includes a liquid crystal panel 210, a backlight module 220, an injection molding member 230, and a first light shielding layer 240.
The backlight module 220 is opposite to the liquid crystal panel 210. The backlight assembly 220 includes a backlight plate 221, a reflection plate 222, a light guide plate 223, a diffusion sheet 224, a prism sheet 225, and a light source (not shown) at one end of the backlight plate 221, which are sequentially stacked. The backlight module 220 has a through hole, and a hole wall 226 of the through hole is formed by extending the backlight panel 221 toward the liquid crystal panel 210, and the through hole is used for accommodating at least a part of the front camera 300.
The liquid crystal panel 210 includes an upper polarizer (not shown), a color filter 211, a liquid crystal layer (not shown), a glass substrate 213, and a lower polarizer 214, which are sequentially stacked. The liquid crystal panel 210 may have an AA Area 216(Active Area), a BM Area 217 (black-edge Area), and a light-transmitting Area 218. The lower polarizer 215 is provided with an opening communicated with the through hole, and the opening can enable the camera 300 to have better light transmittance so that the camera 300 can take pictures or record videos more clearly.
Injection molded piece 230 is integrally molded to aperture wall 226. The injection-molded part 230 covers at least the outer side surface of the hole wall 226 and is higher than the end surface of the hole wall 260, and the top surface of the injection-molded part 230 is against the bottom surface of the display panel 210. In one embodiment, the injection-molded part 230 may cover the upper end of the hole wall 226 to increase the contact area with the hole wall 226, and improve the light shielding and the stability. The injection molding member 230 may be made of opaque material such as black plastic, resin, PVC, etc. The light of the backlight module 220 is prevented from penetrating through the plastic part to influence the photographing effect of the camera. In one embodiment, the injection molded part 230 has a top surface width of 0.35 mm.
The first light shielding layer 240 is adhered between the top surface of the injection molding member 230 and the liquid crystal panel 210 to shield a gap between the injection molding member 230 and the liquid crystal panel. In an embodiment, one end of the first light shielding layer 240 may cover a portion of the prism sheet 250. So as to block the path of the light irradiating the gap between the injection molded part 230 and the display panel 210, so that the light under the path is sufficiently absorbed by the first light-shielding layer 240. The first light-shielding layer 240 may be a black double-sided tape.
In summary, the injection molding member 230 is integrally formed on the hole wall 226 and covers the outer side surface of the hole wall 226, so that the light emitted from the backlight module 220 is shielded by the injection molding member 230 when being emitted through the light guide plate 22, and cannot be reflected, thereby avoiding light leakage. And, compared with the mode that black nickel layer is plated on the backlight plate to shield light in the related art, the injection molding piece 230 is covered locally, and the injection molding piece 230 is low in price, so that the cost is greatly reduced. In addition, the injection molding 230 does not occupy the inner space of the through hole, so that the through hole formed in the backlight module 220 is smaller, thereby being beneficial to increasing the screen occupation ratio.
In addition, the injection molding member 230 is higher than the end surface of the hole wall 226, and is adhered to the bottom surface of the liquid crystal panel 210 through the first light shielding layer 240 to shield a gap between the injection molding member 230 and the liquid crystal panel. Dispensing technology is not needed, assembly is simple, and production cost is greatly reduced.
In one embodiment, the sides of the aperture wall 226 are sloped toward the center of the through-hole. In one example, the side of the aperture wall 226 is inclined at a predetermined angle, which is determined based on the inclination of the outer side of the camera 300. In one example, the sides of the aperture wall 226 are angled from 98 to 102 degrees from the horizontal. Through the slope setting of pore wall 226 for the safety clearance grow between pore wall 226 and the camera 300, thereby can be when guaranteeing that the safety clearance is 0.2mm, can further reduce the through-hole, thereby further increase the screen and account for the ratio.
Fig. 4 is a schematic structural view illustrating a structural portion of a display module according to an exemplary embodiment of the present disclosure. As shown in fig. 4, in an embodiment, the hole wall 226 is provided with an injection molding hole 227, and the injection molding hole enables the injection molding piece 230 to have increased stability in the injection molding and integral forming process of the hole wall 226, so as to prevent gaps or falling between the injection molding piece 230 and the hole wall 226 during assembly or falling, which may affect the light shielding effect. Injection molded holes 227 may be provided at the intersection of hole walls 226 and backlight panel 223, i.e., at the root of hole walls 226.
In one embodiment, the display device 200 further includes a light shielding adhesive layer 260, and the light shielding adhesive layer 260 covers the opening edge of the lower polarizer 213. The blackout glue layer 260 may be a hot melt glue.
In an embodiment, the display device 200 further includes a second light-shielding layer 250, wherein the second light-shielding layer 250 is located between the color filter 212 and the glass substrate 214 and covers an opening edge of the lower polarizer 213. The second light-shielding layer 250 forms a BM region of the liquid crystal panel 210. The length of the second light-shielding layer 250 may be 0.7 mm.
Based on the same inventive concept, according to a second aspect of the embodiments of the present disclosure, a terminal device is provided, where the terminal device includes the display module 200 of the first aspect and the embodiments of the first aspect, and a camera 300, and at least a portion of the camera 300 is received in a through hole formed in a backlight module of the display module 200. The terminal equipment can be a mobile phone, a tablet computer and a notebook computer.
It is understood that the singular forms "a", "an", and "the" in this disclosure are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It is further to be understood that while operations are depicted in the drawings in a particular order, this is not to be understood as requiring that such operations be performed in the particular order shown or in serial order, or that all illustrated operations be performed, to achieve desirable results. In certain environments, multitasking and parallel processing may be advantageous.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the embodiments disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims. Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the embodiments disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (13)

1. A display component is applied to terminal equipment, the terminal equipment comprises a camera, and the display component is characterized by comprising:
a liquid crystal panel;
the backlight module is opposite to the liquid crystal panel and is provided with a through hole, the through hole is used for accommodating at least one part of the camera, the backlight module comprises a backlight plate, and the hole wall of the through hole is formed by extending the backlight plate to the liquid crystal panel;
the injection molding part is integrally formed with the hole wall, at least covers the outer side surface of the hole wall and is higher than the end surface of the hole wall, and the top surface of the injection molding part is abutted against the bottom surface of the liquid crystal panel;
and the first shading layer is pasted between the injection molding part and the liquid crystal panel.
2. The display assembly of claim 1,
the hole wall is provided with an injection molding hole,
and a part of the injection molding piece is molded in the injection molding hole.
3. The display assembly of claim 2,
the injection molding hole is arranged at the intersection of the hole wall and the backlight plate.
4. The display assembly of claim 1,
the side surface of the hole wall inclines towards the center of the through hole.
5. The display assembly of claim 4,
the inclination angle of the side face of the hole wall is a preset angle, and the preset angle is determined based on the inclination angle of the outer side face of the camera.
6. The display assembly of claim 5,
the side surface of the hole wall and the horizontal plane form an included angle of 98-102 degrees.
7. The display assembly of claim 1,
the backlight module also comprises a reflecting plate, a light guide plate, a diffusion sheet and a prism sheet which are sequentially superposed,
the first light shielding layer covers a part of the prism sheet.
8. The display assembly of claim 1,
the liquid crystal panel comprises an upper polarizer, a color filter, a glass substrate and a lower polarizer which are sequentially stacked,
the lower polarizer is provided with an opening communicated with the through hole.
9. The display assembly of claim 8,
a second shading layer is arranged between the color filter and the glass substrate,
the second light shielding layer covers the edge of the opening of the lower polarizer.
10. The display assembly of claim 8, further comprising:
and the shading adhesive layer covers the opening edge of the lower polarizer.
11. The display assembly of claim 1,
the injection molding covers the end face of the hole wall.
12. The display assembly of claim 1,
the width of the top surface of the injection molded part is 0.3 mm.
13. A terminal device, characterized in that the terminal device comprises:
a display module as claimed in any one of claims 1 to 12, and
at least one part of the camera is accommodated in a through hole formed in a backlight module of the display assembly.
CN202021060584.9U 2020-06-09 2020-06-09 Display assembly and terminal equipment Active CN212276164U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021060584.9U CN212276164U (en) 2020-06-09 2020-06-09 Display assembly and terminal equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021060584.9U CN212276164U (en) 2020-06-09 2020-06-09 Display assembly and terminal equipment

Publications (1)

Publication Number Publication Date
CN212276164U true CN212276164U (en) 2021-01-01

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Application Number Title Priority Date Filing Date
CN202021060584.9U Active CN212276164U (en) 2020-06-09 2020-06-09 Display assembly and terminal equipment

Country Status (1)

Country Link
CN (1) CN212276164U (en)

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