CN210895404U - Infrared touch screen and display device - Google Patents
Infrared touch screen and display device Download PDFInfo
- Publication number
- CN210895404U CN210895404U CN201922351575.9U CN201922351575U CN210895404U CN 210895404 U CN210895404 U CN 210895404U CN 201922351575 U CN201922351575 U CN 201922351575U CN 210895404 U CN210895404 U CN 210895404U
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- infrared
- display panel
- strip
- frame
- touch screen
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- 238000001914 filtration Methods 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims description 7
- 239000012788 optical film Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 239000000047 product Substances 0.000 description 7
- 239000012466 permeate Substances 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The utility model relates to an infrared touch screen and a display device, which comprises a display panel, a bearing platform, an infrared frame, a light filtering strip and an infrared lamp strip; the display panel is positioned above the bearing table; the filter strip is arranged on the infrared frame and matched with the infrared frame to form a closed cavity; the infrared lamp bar is arranged in the closed cavity, and a light path of the infrared lamp bar penetrates through the light filtering strip and is parallel to the upper surface of the display panel; the light filtering strip, the infrared frame and the bearing table form a water outlet channel together. Infrared touch screen, can effectively prevent during satisfying the high function of low touch-control that moisture from permeating backlight unit, guaranteed the reliability of product.
Description
Technical Field
The utility model relates to a touch screen technical field especially relates to an infrared touch screen and display device.
Background
The existing display device comprises an infrared touch screen, and in order to reduce the height of infrared touch as much as possible, the lower edge structure of a profile for fixing an infrared filter strip is cancelled, so that the filter strip is directly contacted with the surface of the touch screen, the whole machine is deformed, the precision and the matching tolerance of parts have large influence, and the problem of gaps between the filter strip and the surface of the touch screen is easily caused. When the gap is too large, water drops condensed on the surface of the touch screen or residual moisture of wet fabrics for wiping the surface of the touch screen can permeate into the backlight module, so that a circuit structure on the infrared frame is short-circuited or loses efficacy due to long-term water accumulation corrosion.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model discloses an it is not enough to overcome prior art, provides an infrared touch screen, can effectively prevent during moisture infiltration to backlight unit when satisfying the high function of low touch-control, has guaranteed the reliability of product.
In order to realize the purpose, the utility model discloses a technical scheme be:
an infrared touch screen comprises a display panel, a bearing table, an infrared frame, a light filtering strip and an infrared light bar; the display panel is positioned above the bearing table; the filter strip is arranged on the infrared frame and matched with the infrared frame to form a closed cavity; the infrared lamp bar is arranged in the closed cavity, and a light path of the infrared lamp bar penetrates through the light filtering strip and is parallel to the upper surface of the display panel; the light filtering strip, the infrared frame and the bearing table form a water outlet channel together.
The infrared touch screen of the utility model, the infrared lamp strip is installed in the closed cavity formed by the matching of the light filtering strip and the infrared frame, and a water outlet channel is formed by the light filtering strip, the infrared frame and the receiving platform, so that the moisture on the surface of the display panel can permeate into the gap formed between the light filtering strip and the display panel and flow out of the outside along the water outlet channel, and the infrared lamp strip cannot be immersed in the closed cavity to influence the performance of the infrared lamp strip; furthermore, the light filtering strips are arranged above the side edge of the display panel, so that the structural thickness of the infrared touch screen is reduced, the height between the light path of the infrared light strip and the display panel is reduced, and the effect of reducing the touch height is realized.
In order to obtain better technical effect, the further technical improvement further comprises that the bottom surface of the light filtering strip, one side of the infrared frame close to the receiving table and one side of the receiving table close to the infrared frame form a water outlet channel together.
In order to obtain better technical effect, a gap is formed between the bottom surface of the light filtering strip and the upper surface of the display panel, and the gap is communicated with the water outlet channel.
In order to obtain better technical effect, the further technical improvement further comprises that the upper end and the lower end of the light filtering strip are respectively clamped on the infrared frame.
In order to obtain better technical effect, the further technical improvement comprises that the upper end and the lower end of the infrared lamp strip are respectively clamped in the closed cavity.
In order to obtain better technical effect, further technical improvement still includes that infrared lamp strip includes infrared emission tube and infrared receiving tube, display panel's top bilateral symmetry is equipped with light filtering strip and infrared frame, and the light filtering strip that lies in same one side all cooperates with infrared frame and forms the closed chamber, infrared emission tube and infrared receiving tube are installed respectively in the closed chamber of display panel both sides.
Additionally, the utility model also provides a display device, include the utility model provides an above-mentioned infrared touch screen.
In order to achieve better technical effects, further technical improvements further include a backlight module and an optical film group, wherein the backlight module is arranged at the bottom of the display panel, and the optical film group is arranged between the display panel and the backlight module.
In order to obtain better technical effect, the further technical improvement further comprises that the optical film group is fixed on the backlight module through a middle frame, and a reflecting layer is arranged between the optical film group and the backlight module.
The utility model discloses a display device has solved the poor problem of display device frame waterproof nature among the prior art when reducing infrared touch-control height, compares in prior art, when not increasing product manufacturing cost, has showing the quality that has improved the product to the reliability of product has been guaranteed.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of an infrared touch screen according to embodiment 1 of the present invention;
fig. 2 is a schematic structural view of a water outlet channel in embodiment 1 of the present invention;
fig. 3 is a partial schematic view of a display device according to embodiment 2 of the present invention;
fig. 4 is an enlarged schematic view of the portion a shown in fig. 3.
Detailed Description
To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible implementations and advantages of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1 and fig. 2, the present embodiment provides an infrared touch screen 100, which includes a display panel 10, a receiving platform 20, an infrared frame 30, a filter strip 40, and an infrared light bar 50; the display panel 10 is positioned above the receiving platform 20; the filter strip 40 is installed on the infrared frame 30, and the filter strip 40 and the infrared frame 30 are matched to form a closed cavity Q; the infrared light bar 50 is installed in the closed cavity Q, and a light path of the infrared light bar 50 passes through the light filtering strip 40 and is parallel to the upper surface of the display panel 10; the light filtering strip 40, the infrared frame 30 and the receiving platform 20 together form a water outlet channel P.
The bottom of the light filtering strip 40, one side of the infrared frame 30 close to the receiving table 20 and one side of the receiving table 20 close to the infrared frame 30 form a water outlet channel P together; moreover, a gap is formed between the bottom surface of the light filter strip 40 and the upper surface of the display panel 10, and the gap is communicated with the water outlet channel P.
It should be noted that the enclosed cavity Q of the present embodiment is not absolutely enclosed, and for example, a through hole may be formed on a side of the infrared frame 30 away from the light-filtering bar 40 to achieve the above technical effect.
In this embodiment, the upper and lower ends of the infrared light bar 50 are respectively clamped in the closed cavity Q. Wherein, infrared lamp strip 50 includes infrared emission pipe and infrared receiving tube, the top bilateral symmetry of display panel 10 is equipped with light filtering strip 40 and infrared frame 30, lies in the light filtering strip 40 and the infrared frame 30 that are with one side and all cooperates and form closed cavity Q, infrared emission pipe and infrared receiving tube are installed respectively in the closed cavity Q of display panel 10 both sides.
Specifically, the receiving portion 21 is disposed at the upper end of the receiving platform 20 of the present embodiment, and is used for mounting and fixing the display panel 10; the upper end that infrared frame 30 is close to display panel 10 one side is equipped with the opening, and the one end that the top of infrared frame 30 is close to display panel 10 is equipped with first slot 31, and one side that infrared frame 30 is close to display panel 10 is equipped with second slot 32, the upper end and the lower extreme of optical filtering strip 40 are equipped with first inserted block 41 and second inserted block 42 respectively, and first inserted block 41 and second inserted block 42 insert respectively in first slot 31 and second slot 32 for optical filtering strip 40 is fixed on infrared frame 30, and optical filtering strip 40 covers on the opening of infrared frame 30. In addition, the upper and lower both ends of closed chamber Q are equipped with the draw-in groove respectively, the upper and lower both ends of infrared lamp strip 50 are equipped with the fixture block respectively, and the fixture block at the upper and lower both ends of infrared lamp strip 50 is fixed in the draw-in groove of closed chamber Q upper and lower both ends joint respectively.
In this embodiment, the upper and lower both ends of the light filtering strip 40 are respectively connected to the infrared frame 30, and the light filtering strip 40 and the infrared frame 30 form a closed cavity Q to protect the infrared light bar 50, and simultaneously, the light filtering strip also plays a role in filtering ambient light and reducing the influence of the ambient light on the infrared light strip 50.
Compared with the prior art, the infrared touch screen of the utility model has the advantages that the infrared lamp strip is arranged in the closed cavity formed by the matching of the light filtering strip and the infrared frame, and the light filtering strip, the infrared frame and the receiving platform form a water outlet channel together, so that moisture on the surface of the display panel can permeate into the gap formed between the light filtering strip and the display panel and flow out of the outside along the water outlet channel, and cannot enter the closed cavity to influence the performance of the infrared lamp strip; furthermore, the light filtering strips are arranged above the side edge of the display panel, so that the structural thickness of the infrared touch screen is reduced, the height between the light path of the infrared light strip and the display panel is reduced, and the effect of reducing the touch height is realized.
Example 2
As shown in fig. 3 and fig. 4, the present embodiment provides a display device 200, including the infrared touch panel 100 provided in embodiment 1 of the present invention, further including a backlight module 60 and an optical film set 70, where the backlight module 60 is disposed at the bottom of the display panel 10, and the optical film set 70 is disposed between the display panel 10 and the backlight module 60; in addition, the optical film set 70 is fixed on the backlight module 60 through a middle frame 80, and a reflective layer 90 is disposed between the optical film set 70 and the backlight module 60.
The middle frame 80 of the present embodiment plays a role of fixing the optical film set 70, so as to prevent the optical film set 70 from being deformed, and ensure normal display of the image quality of the backlight module 60; the reflective layer 90 functions to reflect light and the optical film assembly 70 functions to brighten and adjust brightness uniformity.
Compared with the prior art, the utility model discloses a display device has solved the poor problem of display device frame waterproof nature among the prior art when reducing infrared touch-control height, compares in prior art, when not increasing product manufacturing cost, has showing the quality that has improved the product to the reliability of product has been guaranteed.
The above embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not limited to the scope of the infrared touch screen of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (9)
1. An infrared touch screen is characterized in that: the device comprises a display panel, a bearing table, an infrared frame, a light filtering strip and an infrared light bar; the display panel is positioned above the bearing table; the filter strip is arranged on the infrared frame and matched with the infrared frame to form a closed cavity; the infrared lamp bar is arranged in the closed cavity, and a light path of the infrared lamp bar penetrates through the light filtering strip and is parallel to the upper surface of the display panel; the light filtering strip, the infrared frame and the bearing table form a water outlet channel together.
2. The infrared touch screen of claim 1, wherein: the bottom surface of the light filtering strip, one side of the infrared frame close to the bearing table and one side of the bearing table close to the infrared frame form a water outlet channel together.
3. The infrared touch screen of claim 1, wherein: a gap is formed between the bottom surface of the light filtering strip and the upper surface of the display panel, and the gap is communicated with the water outlet channel.
4. The infrared touch screen of claim 1, wherein: the upper end and the lower end of the light filtering strip are respectively clamped on the infrared frame.
5. The infrared touch screen of claim 1, wherein: the upper end and the lower end of the infrared lamp strip are respectively clamped in the closed cavity.
6. The infrared touch screen of claim 1, wherein: the infrared lamp strip comprises an infrared transmitting tube and an infrared receiving tube, a light filtering strip and an infrared frame are symmetrically arranged on two sides of the upper portion of the display panel, the light filtering strip and the infrared frame which are located on the same side are matched with each other to form a closed cavity, and the infrared transmitting tube and the infrared receiving tube are respectively installed in the closed cavities on two sides of the display panel.
7. A display device, characterized in that: comprising an infrared touch screen according to any one of claims 1 to 6.
8. The display device according to claim 7, wherein: the display panel further comprises a backlight module and an optical diaphragm group, wherein the backlight module is arranged at the bottom of the display panel, and the optical diaphragm group is arranged between the display panel and the backlight module.
9. The display device according to claim 8, wherein: the optical diaphragm group is fixed on the backlight module through a middle frame, and a reflecting layer is arranged between the optical diaphragm group and the backlight module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922351575.9U CN210895404U (en) | 2019-12-23 | 2019-12-23 | Infrared touch screen and display device |
| PCT/CN2020/102746 WO2021128818A1 (en) | 2019-12-23 | 2020-07-17 | Infrared touch screen and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922351575.9U CN210895404U (en) | 2019-12-23 | 2019-12-23 | Infrared touch screen and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210895404U true CN210895404U (en) | 2020-06-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922351575.9U Active CN210895404U (en) | 2019-12-23 | 2019-12-23 | Infrared touch screen and display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN210895404U (en) |
| WO (1) | WO2021128818A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021128818A1 (en) * | 2019-12-23 | 2021-07-01 | 广州视源电子科技股份有限公司 | Infrared touch screen and display device |
| WO2023077986A1 (en) * | 2021-11-05 | 2023-05-11 | 京东方科技集团股份有限公司 | Display device |
| WO2023092354A1 (en) * | 2021-11-24 | 2023-06-01 | 广州视源电子科技股份有限公司 | Bezel of display device, and display device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478187A (en) * | 2010-11-24 | 2012-05-30 | 宏腾光电股份有限公司 | Display backlight module and manufacturing method thereof |
| KR101900189B1 (en) * | 2017-03-16 | 2018-10-02 | 주식회사 티원코리아 | Infrared touch screen devices |
| TWI647518B (en) * | 2017-06-29 | 2019-01-11 | 緯創資通股份有限公司 | Drainage structure and touch device having the same |
| CN208013916U (en) * | 2018-04-17 | 2018-10-26 | 广州视源电子科技股份有限公司 | Touch frame and touch screen comprising same |
| CN208834285U (en) * | 2018-06-29 | 2019-05-07 | 深圳市天英联合教育股份有限公司 | Infrared touch frame and display device |
| CN210895404U (en) * | 2019-12-23 | 2020-06-30 | 广州视源电子科技股份有限公司 | Infrared touch screen and display device |
-
2019
- 2019-12-23 CN CN201922351575.9U patent/CN210895404U/en active Active
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2020
- 2020-07-17 WO PCT/CN2020/102746 patent/WO2021128818A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021128818A1 (en) * | 2019-12-23 | 2021-07-01 | 广州视源电子科技股份有限公司 | Infrared touch screen and display device |
| WO2023077986A1 (en) * | 2021-11-05 | 2023-05-11 | 京东方科技集团股份有限公司 | Display device |
| WO2023092354A1 (en) * | 2021-11-24 | 2023-06-01 | 广州视源电子科技股份有限公司 | Bezel of display device, and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021128818A1 (en) | 2021-07-01 |
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