CN110138931B - Mobile terminal - Google Patents
Mobile terminal Download PDFInfo
- Publication number
- CN110138931B CN110138931B CN201910227504.XA CN201910227504A CN110138931B CN 110138931 B CN110138931 B CN 110138931B CN 201910227504 A CN201910227504 A CN 201910227504A CN 110138931 B CN110138931 B CN 110138931B
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- Prior art keywords
- light
- touch screen
- light sensing
- mobile terminal
- display
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- 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
-
- 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
Abstract
The embodiment of the invention relates to the technical field of communication equipment, and discloses a mobile terminal which comprises a shell, a touch screen fixed on the shell, a display assembly arranged below the touch screen and contained in the shell, and a light sensing device, wherein the light sensing device is arranged below the display assembly and comprises a light sensing area and a non-light sensing area, the non-light sensing area is at least partially overlapped with the orthographic projection of the display assembly on the touch screen, and the light sensing area is at least partially opposite to the touch screen so as to receive external light rays entering the shell through the touch screen. The mobile terminal provided by the invention can reduce the frame width of the mobile terminal and realize the narrow edge design of the mobile terminal.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication equipment, in particular to a mobile terminal.
Background
With the development of science and technology, mobile terminals such as mobile phones and tablet computers have higher and higher popularity, and become essential products for work and life of people. The liquid crystal display device of the mobile terminal is widely used because of its advantages of thin body, power saving and no radiation. Most of the existing liquid crystal display devices are backlight type liquid crystal display devices, which include display elements and light-sensing devices. The display module has the working principle that liquid crystal molecules are placed in two parallel glass substrates, a plurality of vertical and horizontal fine wires are arranged between the two glass substrates, and the liquid crystal molecules are controlled to change directions by electrifying or not, so that light rays of the light sensing device are refracted out to generate a picture. Since the display device does not emit light, the light sensor device is required to provide a light source to normally display images, and thus, the light sensor device becomes a key component of the liquid crystal display device. The light sensing device in the prior art is arranged on the side edge of the display assembly, and the frame width of the mobile terminal comprises the width of the light sensing device, the width of a shell seal and the width of a back adhesive.
The inventor finds that at least the following problems exist in the prior art: the width of the light sensing device is large, so that the width of a frame of the mobile terminal is large, and the narrow edge design of the mobile terminal cannot be realized.
Disclosure of Invention
An object of embodiments of the present invention is to provide a mobile terminal, which can reduce a frame width of the mobile terminal and implement a narrow-edge design of the mobile terminal.
In order to solve the above technical problem, an embodiment of the present invention provides a mobile terminal, including:
the casing, fix touch-control screen on the casing and arrange in touch-control screen below and accept in display module in the casing still includes the light sense device, the light sense device is arranged in display module's below, the light sense device includes photosensitive area and non-photosensitive area, non-photosensitive area with display module is in orthographic projection on the touch-control screen is at least the part and overlaps, photosensitive area with touch-control screen at least the part is just to receiving the via the touch-control screen gets into external light in the casing.
Compared with the prior art, the implementation mode of the invention has the advantages that the light sensing device is arranged below the display component, the non-light sensing area of the light sensing device is at least partially overlapped with the orthographic projection of the display component on the touch screen, so that the light sensing device and the display component are overlapped in the thickness direction of the mobile terminal, and the light sensing area of the light sensing device is at least partially opposite to the touch screen, so that the light sensing area can receive external light rays entering the shell through the touch screen, and the influence on the light sensing performance of the light sensing device due to the fact that part of the area (namely the non-light sensing area) is shielded by the display component is avoided, namely, the arrangement of the structure can ensure that the width of the complete light sensing device is not required to be reserved in the design of the frame width of the mobile terminal, thereby the whole width of the frame of the mobile terminal is reduced, the narrow-edge design of the mobile terminal is realized, and the width, the width of the frame of the mobile terminal is large, so that the narrow edge design of the mobile terminal cannot be realized, and the light sensing performance of the light sensing device arranged below the display assembly is not reduced.
In addition, the orthographic projection of the photosensitive area on the touch screen falls into the orthographic projection of the display component on the touch screen. The structure can ensure that the photosensitive area can not be shielded by the display component completely, and further avoid the influence on the photosensitive performance of the photosensitive device.
In addition, the touch screen comprises a display area right facing the display assembly and a non-display area adjacent to the display area, the display assembly is arranged below the display area, and the orthographic projection of the photosensitive area on the touch screen falls into the non-display area. The structure can reduce the influence of the backlight source of the display assembly on the light sensing performance of the light sensing device.
In addition, the touch screen is arranged between the touch screen and the light sensing device, two ends of the touch screen are respectively opposite to the non-display area and the light guide column of the light sensing area, and the light sensing area receives the external light rays through the light guide column. By the mode, the non-uniform light intensity illuminating light irradiated on the non-display area can be changed into uniform light intensity illuminating light through the light guide column and irradiated on the light sensing device, so that the light sensing performance of the light sensing device is further prevented from being influenced.
In addition, the quantity of leaded light post is a plurality of.
In addition, the light guide column comprises a side surface adjacent to the display component, and a shading mask is attached to the side surface.
In addition, the display assembly comprises a side wall adjacent to the light guide column, and a shading mask is attached to the side wall. The shading mask is attached to the side wall, close to the light guide column, of the display assembly, so that the influence of a backlight light source of the display assembly on the light sensation performance of the light guide column can be further reduced.
In addition, the thickness of the light shielding mask is 0.05 mm.
In addition, the non-display area is coated with a light-equalizing ink.
In addition, still include distance sensor, distance sensor sets up display module below and with the light sense device sets up side by side.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a schematic structural diagram of a mobile terminal provided according to an embodiment of the present invention;
fig. 2 is a schematic partial structure diagram of a mobile terminal according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present invention in its various embodiments. However, the technical solution claimed in the present invention can be implemented without these technical details and various changes and modifications based on the following embodiments.
The embodiment of the present invention relates to a mobile terminal 100, which has a specific structure as shown in fig. 1 and includes:
the light sensing device comprises a shell 1, a touch screen 2 fixed on the shell 1, a display assembly 3 arranged below the touch screen 2 and contained in the shell 1, and a light sensing device 4, wherein the light sensing device 4 is arranged below the display assembly 3, the light sensing device 4 comprises a light sensing area 41 and a non-light sensing area 42, the non-light sensing area 42 is at least partially overlapped with the orthographic projection of the display assembly 3 on the touch screen 2, and the light sensing area 41 is at least partially opposite to the touch screen 2 so as to receive external light rays entering the shell 1 through the touch screen 2.
Compared with the prior art, the embodiment of the invention has the advantages that the light sensing device 4 is arranged below the display component 3, the non-light-sensing area 41 of the light sensing device 4 is at least partially overlapped with the orthographic projection of the display component 3 on the touch screen 2, so that the light sensing device 4 and the display component 3 are overlapped in the thickness direction of the mobile terminal 100, and the light sensing area 41 of the light sensing device 4 is at least partially opposite to the touch screen 2, so that the light sensing area 41 can receive the external light entering the shell 1 through the touch screen 2, the light sensing performance of the light sensing device 4 is prevented from being influenced due to the fact that a part of area (namely the non-light-sensing area 42) is shielded by the display component 3, namely, the arrangement of the structure can ensure that the mobile terminal 100 does not need to reserve the width of the complete light sensing device 4 on the design of the frame width, thereby reducing the whole width of the frame of the mobile terminal 100, the narrow-edge design of the mobile terminal 100 is realized, and the situation that the width of the light sensing device is large and the frame width of the mobile terminal is large is avoided, so that the light sensing performance of the light sensing device 4 arranged below the display component 3 is not reduced while the narrow-edge design of the mobile terminal cannot be realized.
The display Module 3 in this embodiment may be an LCM, an LCD Module (LCD display Module) or a liquid crystal Module, and refers to a Module in which a liquid crystal display device, a connector, a peripheral circuit such as a control and drive device, a PCB, a backlight, a structural member, and the like are assembled together.
The following describes the implementation details of the mobile terminal 100 provided in the present embodiment in detail, and the following is only provided for the convenience of understanding and is not necessary for implementing the present embodiment.
In the present embodiment, the orthographic projection of the photosensitive area 41 on the touch screen 2 falls within the orthographic projection of the display component 3 on the touch screen 2. That is, the arrangement of this structure can make the photosensitive region 41 not be blocked by the display module 3 at all, and further avoid the photosensitive performance of the photosensitive device 4 from being affected.
Specifically, the touch screen 2 includes a display area 21 facing the display device 3 and a non-display area 22 adjacent to the display area 21, the display device 3 is disposed below the display area 21, and an orthographic projection of the photosensitive area 41 on the touch screen 2 falls within the non-display area 22. Since the display element 3 faces the display area 21, but the non-display area 22 does not face the display element 4, the influence of the backlight source of the display element 3 on the light sensing performance of the light sensing device 4 can be reduced by this structure.
It should be noted that the mobile terminal 100 further includes a light guiding pillar 5 disposed between the touch screen 2 and the light sensing device 4, and two ends of the light guiding pillar are respectively opposite to the non-display area 22 and the light sensing area 41, and the light sensing area 41 receives external light through the light guiding pillar 5. The light guide pillar 5 can change the non-uniform illumination light into a light source with uniform light intensity distribution, that is, the non-uniform illumination light irradiated on the non-display area 22 can be changed into the uniform illumination light through the light guide pillar 5 and irradiated on the light sensing device 4, so as to further prevent the light sensing performance of the light sensing device 4 from being affected.
Preferably, the light guide column 5 in the present embodiment is plural. By providing the plurality of light guide columns 5, the light intensity of the light irradiated on the light sensing device 4 is the same.
It should be noted that the light guide bar 5 includes a side surface adjacent to the display module 3, and a light shielding mask 6 is attached to the side surface. By attaching the shading mask 6 to the side surface of the light guide pillar 5 adjacent to the display module 3, the influence of the backlight source of the display module 3 on the light sensing performance of the light guide pillar 5 can be reduced.
Preferably, the display module 3 includes a sidewall adjacent to the light guide 5, and a light-shielding mask 6 is attached to the sidewall. By attaching the shading mask 6 to the side wall of the display module 3 adjacent to the light guide column 5, the influence of the backlight source of the display module 3 on the light sensing performance of the light guide column 5 can be further reduced. In addition, the thickness of the light-shielding mask 6 in this embodiment is 0.05 mm, and the light-shielding mask 6 needs to be attached to the reflection beyond the rubber frame, cannot be attached to the screen printing hole area of the touch screen 2, needs to be attached flatly, and cannot be tilted. Note that, the requirements after the light shielding mask 6 is attached are as follows: the clearance between the cover plate and the cover plate is less than 0.2 mm; the other side exceeds the backlight size and is less than 0.2 mm; light can not leak from the area of the side detection photosensitive hole (3 holes); the light shading mask 6 area is seen from the front photosensitive hole of the touch screen 2, and light leakage cannot occur.
It can be understood that the material of the light-shielding mask 6 in this embodiment may be PET plastic, and the PET plastic has a highly symmetrical molecular structure and a certain crystal orientation capability, so that the light-shielding mask has high film-forming property and formability. The PET plastic has good optical performance and weather resistance, and the amorphous PET plastic has good optical transparency. In addition, the PET plastic has excellent abrasion and friction resistance, dimensional stability and electrical insulation.
It is worth mentioning that the non-display area 22 of the present embodiment is coated with the light equalizing ink. By adding light guide powder into the printing ink, the light guide powder is a new material for blending environment-friendly light guide printing ink, the light guide printing ink blended by the light guide powder has high refractive index, and the blended printing ink is widely applied to LCD backlight plates and advertising lamp box light guide plates. The light guide ink prepared from the environment-friendly light guide powder has high refractive index, strong adhesive force, uniform dispersion degree of the ink and can be cured at low temperature.
Specifically, as shown in fig. 2, the mobile terminal 100 further includes a distance sensor 7, and the distance sensor 7 is disposed below the display assembly 3 and is arranged side by side with the light sensing device 4. That is, the present embodiment uses the independent light sensing device 4, and further, may use the independent high-sensitivity light sensing device to improve the consistency of the light sensing effect of the light sensing device 4.
In the present embodiment, the first layer of the light sensing device 4 is screen-printed with semi-transparent blue black (same as the IR hole ink), and has a visible light transmittance of 4% to 10 nm, and the second layer is white (same as the light ink), and has a visible light transmittance of 0.4% to 1.0 nm. And in the comprehensive debugging stage, the transmittance of each stage is combined with the lower half angle FOV of more than 35 degrees.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.
Claims (8)
1. A mobile terminal comprises a shell, a touch screen fixed on the shell, and a display assembly arranged below the touch screen and contained in the shell, and is characterized by further comprising a light sensing device, wherein the light sensing device is arranged below the display assembly and comprises a light sensing area and a non-light sensing area, the non-light sensing area is at least partially overlapped with the orthographic projection of the display assembly on the touch screen, and the light sensing area is at least partially opposite to the touch screen so as to receive external light rays entering the shell through the touch screen;
the touch screen comprises a display area facing the display component and a non-display area adjacent to the display area, the display component is arranged below the display area, and the orthographic projection of the photosensitive area on the touch screen falls into the non-display area;
the touch screen is arranged between the touch screen and the light sensing device, two ends of the touch screen are opposite to the non-display area and the light guide column of the light sensing area respectively, and the light sensing area receives the external light rays through the light guide column.
2. The mobile terminal of claim 1, wherein an orthographic projection of the photosensitive area on the touch screen falls within an orthographic projection of the display component on the touch screen.
3. The mobile terminal of claim 1, wherein the number of light guide posts is plural.
4. The mobile terminal of claim 1, wherein the light guide bar comprises a side surface adjacent to the display component, the side surface having a light blocking mask affixed thereto.
5. The mobile terminal of claim 1, wherein the display assembly comprises a sidewall adjacent to the light guide, the sidewall having a light blocking mask affixed thereto.
6. A mobile terminal according to claim 4 or 5, wherein the thickness of the light-blocking mask is 0.05 mm.
7. The mobile terminal of claim 1, wherein the non-display area is coated with a light-equalizing ink.
8. The mobile terminal of claim 1, further comprising a distance sensor disposed below the display component and side-by-side with the light-sensing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910227504.XA CN110138931B (en) | 2019-03-25 | 2019-03-25 | Mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910227504.XA CN110138931B (en) | 2019-03-25 | 2019-03-25 | Mobile terminal |
Publications (2)
| Publication Number | Publication Date |
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| CN110138931A CN110138931A (en) | 2019-08-16 |
| CN110138931B true CN110138931B (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910227504.XA Active CN110138931B (en) | 2019-03-25 | 2019-03-25 | Mobile terminal |
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| CN (1) | CN110138931B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111885229A (en) * | 2020-07-15 | 2020-11-03 | Oppo广东移动通信有限公司 | Electronic equipment and display screen assembly |
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|---|---|---|---|---|
| EP1560423A1 (en) * | 2004-01-28 | 2005-08-03 | FTC Corporation | Lens module and camera |
| CN108418910A (en) * | 2018-02-08 | 2018-08-17 | 广东欧珀移动通信有限公司 | Electronic device |
| CN108600422A (en) * | 2018-03-09 | 2018-09-28 | 广东欧珀移动通信有限公司 | Electronic device and manufacturing method |
| CN108900674A (en) * | 2018-07-18 | 2018-11-27 | 苏州天为幕烟花科技有限公司 | A kind of camera suitable for comprehensive screen mobile phone |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102629165B (en) * | 2012-02-27 | 2014-12-10 | 华为终端有限公司 | Display assembly and terminal |
| CN207529065U (en) * | 2017-08-11 | 2018-06-22 | 维沃移动通信有限公司 | A kind of LCM modules |
| CN108462767A (en) * | 2018-02-07 | 2018-08-28 | 维沃移动通信有限公司 | A kind of photosensitive components and mobile terminal |
| CN108494898A (en) * | 2018-02-08 | 2018-09-04 | 广东欧珀移动通信有限公司 | Electronic device |
-
2019
- 2019-03-25 CN CN201910227504.XA patent/CN110138931B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1560423A1 (en) * | 2004-01-28 | 2005-08-03 | FTC Corporation | Lens module and camera |
| CN108418910A (en) * | 2018-02-08 | 2018-08-17 | 广东欧珀移动通信有限公司 | Electronic device |
| CN108600422A (en) * | 2018-03-09 | 2018-09-28 | 广东欧珀移动通信有限公司 | Electronic device and manufacturing method |
| CN108900674A (en) * | 2018-07-18 | 2018-11-27 | 苏州天为幕烟花科技有限公司 | A kind of camera suitable for comprehensive screen mobile phone |
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| CN110138931A (en) | 2019-08-16 |
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Address after: Building 1, 399 Keyuan Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 201203 Applicant after: Huaqin Technology Co.,Ltd. Address before: Building 1, No. 399 Keyuan Road, Pudong New Area, Shanghai, 201203 Applicant before: Huaqin Technology Co.,Ltd. Address after: Building 1, No. 399 Keyuan Road, Pudong New Area, Shanghai, 201203 Applicant after: Huaqin Technology Co.,Ltd. Address before: Building 1, No. 399 Keyuan Road, Zhangjiang hi tech park, Pudong New Area, Shanghai, 201203 Applicant before: HUAQIN TELECOM TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20210601 Address after: 330096 room k212, Pioneer Park, No.18, Gaoxin 2nd Road, Nanchang hi tech Industrial Development Zone, Nanchang City, Jiangxi Province Applicant after: Nanchang Yiqin Technology Co.,Ltd. Address before: Building 1, 399 Keyuan Road, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai, 201203 Applicant before: Huaqin Technology Co.,Ltd. |
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