CN108989501B - Mobile terminal - Google Patents

Mobile terminal Download PDF

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Publication number
CN108989501B
CN108989501B CN201810852056.8A CN201810852056A CN108989501B CN 108989501 B CN108989501 B CN 108989501B CN 201810852056 A CN201810852056 A CN 201810852056A CN 108989501 B CN108989501 B CN 108989501B
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China
Prior art keywords
light
mobile terminal
display screen
emitting module
convex lens
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Application number
CN201810852056.8A
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Chinese (zh)
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CN108989501A (en
Inventor
杨尚明
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Priority to CN201810852056.8A priority Critical patent/CN108989501B/en
Publication of CN108989501A publication Critical patent/CN108989501A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026Details of the structure or mounting of specific components
    • H04M1/0266Details of the structure or mounting of specific components for a display module assembly
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026Details of the structure or mounting of specific components
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/22Illumination; Arrangements for improving the visibility of characters on dials

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Set Structure (AREA)

Abstract

The invention discloses a mobile terminal which comprises a shell with a frame (110), a display module (200), a lens group (500) and a light-emitting module (400), wherein the display module (200) comprises a display screen (210) and a light-transmitting cover plate (220) which covers the display screen (210) and is fixedly connected with the display screen (210), the edge of the light-transmitting cover plate (220) is fixed on the frame (110), the light-emitting module (400) is arranged on one side, deviating from the light-transmitting cover plate (220), of the display screen (210), the lens group (500) comprises a convex lens (510), the light-emitting module (400) comprises a light source, and the light source is arranged on one side, deviating from the light-transmitting cover plate (220), of the convex lens (510). The scheme can solve the problem that the screen occupation ratio of the current mobile terminal is small.

Description

Mobile terminal
Technical Field
The invention relates to the technical field of terminal design, in particular to a mobile terminal.
Background
With the increase of user demands, the performance of the mobile terminal is continuously optimized at present, and along with this, the functions of the mobile terminal are more and more. Currently, the face unlock function has become a standard for many mobile terminals. In order to realize the recognition of the face in a dark environment, an infrared light emitting module is arranged inside the mobile terminal, and the infrared light emitting module can emit infrared light during working so as to supplement light for recognition work.
Referring to fig. 1, fig. 1 is a partial structural sectional view of a typical mobile terminal. As shown in fig. 1, in a current mobile terminal, an infrared light emitting module 101 is disposed between a display screen 102 and a frame 103 of a housing. The infrared light projected from the light exit hole of the infrared light emitting module 101 directly passes through the transparent cover plate 104 and exits.
The infrared light emitting module 101 is disposed between the frame 103 and the display screen 102, so that the width of the black border area of the mobile terminal is increased. The width of the black edge of the mobile terminal shown in fig. 1 is the sum of the distance a between the edge of the display screen 102 and the corresponding edge of the transparent cover plate 104 and the width B of the non-display area of the display screen 102 itself. This results in a large width of the black border of the mobile terminal. As is known, the current mobile terminal is developed in a direction of increasing the screen occupation ratio (i.e. the ratio of the display area of the mobile terminal to the panel surface), and the above-mentioned manner of disposing the infrared light emitting module 101 will undoubtedly reduce the screen occupation ratio of the mobile terminal, resulting in the decrease of the market competitiveness of the mobile terminal.
Of course, the above-mentioned problems may be caused by other kinds of light emitting modules disposed inside the mobile terminal, not limited to the infrared light emitting module 101.
Disclosure of Invention
The invention discloses a mobile terminal, which aims to solve the problem of small occupation ratio of a mobile terminal screen caused by the fact that a light-emitting module is arranged between a display screen and a frame.
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a mobile terminal, is including casing, display module assembly, battery of lens and the optical module that gives out light that has the frame, the display module assembly includes the display screen and covers on the display screen, and with the fixed printing opacity apron that links to each other of display screen, the edge of printing opacity apron is fixed on the frame, the optical module that gives out light sets up deviate from on the display screen one side of printing opacity apron, the battery of lens includes convex lens, the optical module that gives out light includes the light source, the light source sets up convex lens deviates from one side of printing opacity apron.
The technical scheme adopted by the invention can achieve the following beneficial effects:
the light-emitting module is arranged on one side of the display screen, which is far away from the light-transmitting cover plate, so that the light-emitting module with a larger width can be prevented from being arranged between the display screen and the frame, and the convex lens can converge light into a light beam and then the light beam passes through the space between the display screen and the frame, so that the width of the formed light beam is smaller, the width of a gap between the display screen and the frame can be reduced, and the width of a black edge of the mobile terminal can be further reduced. Therefore, the mobile terminal disclosed by the invention can increase the screen occupation ratio of the mobile terminal.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a sectional view of a partial structure of a typical mobile terminal;
fig. 2 is a sectional view of a partial structure of a mobile terminal according to an embodiment of the present invention;
fig. 3 is an exploded schematic view of a partial structure of a mobile terminal according to an embodiment of the present invention, and two dotted lines in fig. 3 respectively show two projection paths of infrared light.
Description of reference numerals:
101-an infrared light-emitting module, 102-a display screen, 103-a frame and 104-a light-transmitting cover plate;
100-mainboard upper cover, 110-frame, 120-bottom plate, 121-groove, 122-avoidance hole, 200-display module, 210-display screen, 220-light-transmitting cover plate, 300-light diffusion sheet, 400-light-emitting module, 410-support frame, 411-light-emitting hole, 420-substrate, 430-infrared lamp, 500-lens group, 510-convex lens and 520-concave lens.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Referring to fig. 2 and 3, an embodiment of the invention discloses a mobile terminal, which includes a housing, a display module 200, a lens assembly 500, and a light emitting module 400.
The housing has a frame 110, and specifically, the housing includes a motherboard cover 100, and the motherboard cover 100 includes the frame 110.
The display module 200 is a display component of the mobile terminal, and the display module 200 is mounted on the housing. The display module 200 includes a display screen 210 and a transparent cover 220. The transparent cover 220 covers the display screen 210, thereby playing a role of protection. The light-transmissive cover plate 220 is typically a glass cover plate. The transparent cover 220 is fixedly connected to the display screen 210 to form an integral unit for installation. In one embodiment, the transparent cover 220 is fixedly attached to the display screen 210 by a transparent adhesive.
The edge of the transparent cover plate 220 is fixed on the frame 110, so as to realize the installation of the display module 200. In a specific embodiment, the edge of the transparent cover 220 overlaps the top end of the frame 110 and is fixed to the frame 110 by gluing.
The light emitting module 400 includes a light source capable of emitting light. The light emitting module 400 may generally have a light outlet 411, and the light generated by the light emitting module 400 may be projected from the light outlet 411, but the light outlet 411 may not necessarily be provided. The light emitting module 400 is disposed on a side of the display screen 210 facing away from the transparent cover 220, that is, the transparent cover 220 and the light emitting module 400 are respectively disposed on two sides of the display screen 210. Obviously, the assembly position is such that the light emitting module 400 is not located between the display screen 210 and the bezel 110.
Lens stack 500 includes a convex lens 510. In the embodiment of the present invention, the convex lens 510 is used for converging the light emitted from the light emitting module 400 into a light beam, and the formed light beam can pass through a space formed between the display screen 210 and the frame 110.
On the premise that the light emitting module 400 has the light outlet 411, the light generated by the light source of the light emitting module 400 can pass through the light outlet 411 and the convex lens 510. In the projection direction of the light, the convex lens 510 and the light exit hole 411 are sequentially arranged, and the light source is disposed on a side of the convex lens 510 away from the light-transmitting cover plate 220, in this case, the light firstly passes through the convex lens 510 and then exits from the light exit hole 411. Of course, in the projection direction of the light, the light exit hole 411 and the convex lens 510 may be arranged in sequence, in which case the light first passes through the light exit hole 411 and then enters the convex lens 510.
In a specific embodiment, the convex lens 510 may be disposed opposite to the light outlet 411, in which case the light can directly enter the light outlet 411 from the convex lens 510 or directly enter the convex lens 510 from the light outlet 411. In a more preferable embodiment, the space formed between the display screen 210 and the frame 110 and the convex lens 510 are disposed opposite to the light outlet 411. In this case, the light generated by the light emitting module 400 can be transmitted through the shortest path and finally emitted from the transparent cover 220.
Of course, the light generated by the light emitting module 400 can also be transmitted by the light path adjusting member, which can be a reflector. Under the condition, the light generated by the light emitting module 400 cannot be directly projected onto the transparent cover plate 220, and the light path adjusting member can change the light path, so that the light can be finally projected onto the transparent cover plate 220.
In the mobile terminal disclosed in the embodiment of the present invention, the light emitting module 400 is disposed on a side of the display screen 210 away from the transparent cover plate 220, the convex lens 510 included in the lens assembly 500 can converge light emitted by the light emitting module 400, and a light beam formed by convergence passes through a space between the display screen 210 and the frame 110 and finally exits through the transparent cover plate 220 to implement light supplement.
The mobile terminal of above-mentioned structure, because lay the light-emitting module 400 in the one side that display screen 210 deviates from printing opacity apron 220, consequently can avoid the great light-emitting module 400 of width size to set up between display screen 210 and frame 110, and convex lens 510 can pass between display screen 210 and the frame after gathering into the light beam with light, the beam width of formation can be smaller, consequently can reduce the gap width between display screen 210 and the frame 110, and then can reduce mobile terminal's black border width. Therefore, the mobile terminal disclosed by the embodiment of the invention can increase the screen occupation ratio of the mobile terminal.
The light beam size that forms behind convex lens 510 is less, directly projects behind the printing opacity apron 220, and the transmission face of light is less, and this is difficult to realize the light filling on a large scale certainly. Based on this, in a preferred scheme, the mobile terminal disclosed in the embodiment of the present invention may further include a light diffusion sheet 300, where the light diffusion sheet 300 may be disposed between the display screen 210 and the frame 110 to diffuse the light beam, so that the light projection area projected onto the light-transmissive cover plate 220 is larger, which is beneficial to light supplement of a larger area. Of course, the light diffusion sheet 300 is used for diffusing light of the light beam, and the width of the light diffusion sheet 300 is smaller than the width of the light emitting module 400, so that the space width between the frame 110 and the display screen 210 can still be reduced compared to the prior art due to the arrangement of the light diffusion sheet 300. In a preferred embodiment, the light diffusion sheet 300 may be fixed on the inner surface of the light-transmissive cover 220 and located between the display screen 210 and the bezel 110.
The light emitted by the light emitting module 400 is projected to the convex lens 510 and then converged, in order to achieve better convergence, the light source point of the light emitting module 400 needs to have a sufficient distance from the convex lens 510 to achieve better convergence (the light which needs to be incident into the convex lens 510 has a certain dispersibility), which is easier to increase the local size of the mobile terminal. In view of this, in a preferred scheme, the lens group 500 may further include a concave lens 520, and the concave lens 520 and the convex lens 510 are sequentially disposed in the projection direction of the light, that is, the concave lens 520 is disposed between the convex lens 510 and the light source. In this case, the light beams are firstly diffused by the concave lens 520 through the concave lens 520 and then enter the convex lens 510 to be converged, which is undoubtedly easier to form light beams, and in this case, the convex lens 510 does not need to be arranged at a distance far from the light source point of the light emitting module 400.
In the embodiment of the invention, the structure of the light emitting module 400 may be various. Referring to fig. 3 again, in one embodiment, the light emitting module 400 may include a substrate 420, a supporting frame 410, and a light source, which may be an infrared lamp 430. The base plate 420 provides a mounting base for the support frame 410 and the infrared lamp 430, and the infrared lamp 430 is mounted in the base plate 420.
In a preferred embodiment, the substrate 420 may be a circuit board, and the infrared lamp 430 is electrically connected to the substrate 420. In this case, the substrate 420 not only provides a mounting base, but also supplies power to the infrared lamp 430. The support frame 410 is mounted on the substrate 420 and covers the infrared lamp 430. The support frame 410 can function to shield the infrared lamp 430. The supporting frame 410 is provided with a light outlet 411, the light outlet 411 is opposite to the light outlet side of the infrared lamp 430, and thus the infrared light generated by the infrared lamp 430 can be emitted from the light outlet 411.
The concave lens 520 and the convex lens 510 may be disposed outside the supporting frame 410, and the light rays emitted from the light emitting hole 411 pass through the concave lens 520 and the convex lens 510 in sequence. Of course, the light may pass through the concave lens 520 and the convex lens 510 in sequence and then exit from the light exit hole 411. Based on this, in a preferred scheme, the concave lens 520 and the convex lens 510 are both fixed in the support frame 410, and in the projection direction of the light, the concave lens 520, the convex lens 510 and the light outlet 411 are distributed in sequence. The assembly method can make full use of the internal space of the support frame 410, and the concave lens 520 and the convex lens 510 are arranged in the support frame 410, which is undoubtedly beneficial to the overall miniaturization design formed by the assembly of the above components, and further can save a part of space in the mobile terminal.
In a preferred embodiment, the convex lens 510 may be hermetically fixed on the inner port of the light outlet 411. Specifically, the edge of the convex lens 510 and the surface where the inner side port of the light exit hole 411 is located may be fixed by a sealant. The arrangement mode does not affect the light emitting of the light emitting hole 411, and the convex lens 510 can seal and block the light emitting hole 411, so that the components in the whole body formed by the support frame 410 and the convex lens 510 are prevented from being interfered by the external environment, and the dustproof and waterproof performance of the mobile terminal can be further improved.
In general, the motherboard cover 100 may include a base plate 120 and the bezel 110 described above. The bezel 110 is disposed at an edge of the base plate 120. In order to achieve a better assembly of the light emitting module 400, a groove 121 may be formed on a side of the bottom plate 120 facing away from the display screen 210. The light emitting module 400 may be disposed in the groove 121, and in particular, the light emitting module 400 may be fixed in the groove 121 by bonding, a connector (e.g., a screw connector), or a connection structure (e.g., a snap). The bottom wall of the groove 121 is provided with a avoiding hole 122, and the avoiding hole 122 is used for light to pass through. On the premise that the light emitting module 400 has the light emitting hole 411, the avoiding hole 122 may be disposed opposite to the light emitting hole 411. The arrangement can make full use of a part of the space of the bottom plate 120 of the motherboard upper cover 100, and a part of the accommodating space is formed in the bottom plate 120, so that the light emitting module 400 can be mounted. The assembling mode is beneficial to the development of the mobile terminal towards the direction of light and thin.
The motherboard cover 100 is generally covered on the motherboard of the mobile terminal, i.e. the motherboard is arranged on the side of the bottom plate 120 facing away from the display screen 210. Based on this, in a preferred scheme, the substrate 420 is fixed on a motherboard to further achieve electrical connection with the motherboard, and this arrangement is favorable for the communication connection between the light emitting module 400 and a control device (e.g., a central processing unit of a mobile terminal) on the motherboard. Specifically, the substrate 420 is usually fixed on the motherboard by a mounting process. Of course, the substrate 420 may be electrically connected to the main board through a flexible circuit board.
The mobile terminal disclosed by the embodiment of the invention can be a smart phone, a tablet computer, wearable equipment and the like, and the embodiment of the invention does not limit the specific type of the mobile terminal.
In the above embodiments of the present invention, the difference between the embodiments is mainly described, and different optimization features between the embodiments can be combined to form a better embodiment as long as they are not contradictory, and further description is omitted here in view of brevity of the text.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims (9)

1. A mobile terminal is characterized by comprising a shell with a frame (110), a display module (200), a lens group (500) and a light-emitting module (400), wherein the display module (200) comprises a display screen (210) and a light-transmitting cover plate (220) which covers the display screen (210) and is fixedly connected with the display screen (210), the edge of the light-transmitting cover plate (220) is fixed on the frame (110), the light-emitting module (400) is arranged on one side, deviating from the light-transmitting cover plate (220), of the display screen (210), the lens group (500) comprises a convex lens (510), the light-emitting module (400) comprises a light source, and the light source is arranged on one side, deviating from the light-transmitting cover plate (220), of the convex lens (510); the lens group (500) further comprises a concave lens (520), and the concave lens (520) and the convex lens (510) are sequentially arranged in the projection direction of light.
2. The mobile terminal of claim 1, further comprising a light diffusion sheet (300), wherein the light diffusion sheet (300) is fixed on the inner side surface of the light-transmissive cover plate (220) and is located between the display screen (210) and the bezel (110).
3. The mobile terminal of claim 1, wherein the light emitting module (400) has a light exit hole (411), and the convex lens (510) and a space formed between the display screen (210) and the bezel (110) are disposed opposite to the light exit hole (411).
4. The mobile terminal according to claim 3, wherein the light emitting module (400) comprises a substrate (420), a support frame (410) and the light source, the light source is an infrared lamp (430), the substrate (420) is a circuit board, the infrared lamp (430) is installed on the substrate (420) and electrically connected with the substrate (420), the support frame (410) is installed on the substrate (420) and covers the infrared lamp (430), the support frame (410) is provided with the light emitting hole (411), and the light emitting hole (411) and the light emitting side of the infrared lamp (430) are oppositely arranged.
5. The mobile terminal of claim 4, wherein the concave lens (520) and the convex lens (510) are fixed inside the support frame (410), and the concave lens (520), the convex lens (510) and the light exit hole (411) are distributed in sequence in a projection direction of light.
6. The mobile terminal of claim 5, wherein the convex lens (510) is hermetically fixed on an inner port of the light outlet hole (411).
7. The mobile terminal according to claim 4, wherein the housing comprises a main board upper cover (100), the main board upper cover (100) comprises a bottom board (120) and a frame (110) arranged at an edge of the bottom board (120), a groove (121) is formed in one side of the bottom board (120) facing away from the display screen (210), the light-emitting module (400) is arranged in the groove (121), a avoiding hole (122) is formed in a bottom wall of the groove (121), and light passes through the avoiding hole (122).
8. A mobile terminal according to claim 7, characterized in that the mobile terminal comprises a main board arranged on a side of the bottom board (120) facing away from the display screen (210), the substrate (420) being fixed on the main board and electrically connected to the main board.
9. The mobile terminal according to claim 1, wherein the mobile terminal is a smartphone, a tablet computer, and a wearable device.
CN201810852056.8A 2018-07-27 2018-07-27 Mobile terminal Active CN108989501B (en)

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CN108989501B true CN108989501B (en) 2020-11-17

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111724695B (en) * 2019-03-20 2022-04-05 青岛海信移动通信技术股份有限公司 Display device
CN111025736B (en) * 2019-12-20 2022-04-29 维沃移动通信有限公司 Display module and electronic equipment
CN111025721B (en) * 2019-12-20 2022-04-29 维沃移动通信有限公司 Display module and electronic equipment
CN112201153B (en) * 2020-10-30 2023-04-14 维沃移动通信有限公司 Electronic device and production process thereof

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CN107480589A (en) * 2017-07-07 2017-12-15 广东欧珀移动通信有限公司 Infrared light supply component and electronic installation
CN107968858A (en) * 2017-12-26 2018-04-27 广东欧珀移动通信有限公司 Export module and electronic device
CN207530869U (en) * 2017-11-06 2018-06-22 维沃移动通信有限公司 A kind of mobile terminal
EP3346355A1 (en) * 2017-01-09 2018-07-11 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Display screen assembly, assembling method thereof and electronic device
CN108322577A (en) * 2018-04-13 2018-07-24 维沃移动通信有限公司 Mobile terminal
CN108848217A (en) * 2018-06-26 2018-11-20 维沃移动通信有限公司 A kind of mobile terminal

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Publication number Priority date Publication date Assignee Title
EP3346355A1 (en) * 2017-01-09 2018-07-11 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Display screen assembly, assembling method thereof and electronic device
CN107480589A (en) * 2017-07-07 2017-12-15 广东欧珀移动通信有限公司 Infrared light supply component and electronic installation
CN207530869U (en) * 2017-11-06 2018-06-22 维沃移动通信有限公司 A kind of mobile terminal
CN107968858A (en) * 2017-12-26 2018-04-27 广东欧珀移动通信有限公司 Export module and electronic device
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