CN116149430B - Notebook computer touch panel backlight module - Google Patents
Notebook computer touch panel backlight module Download PDFInfo
- Publication number
- CN116149430B CN116149430B CN202310162804.0A CN202310162804A CN116149430B CN 116149430 B CN116149430 B CN 116149430B CN 202310162804 A CN202310162804 A CN 202310162804A CN 116149430 B CN116149430 B CN 116149430B
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- plate
- touch module
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- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000012905 input function Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
-
- 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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03547—Touch pads, in which fingers can move on a surface
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a backlight module of a notebook computer touch panel, which comprises a shell, wherein a concave touch module is embedded in the upper surface of the shell, side grooves are respectively formed in the shell at the front side and the rear side of the touch module, a projection plate is arranged in each side groove, and the projection plate can project specific characters to the surface of the touch module through a laser. Compared with the prior art, the invention projects the characters in the specific area of the touch module so as to realize the character input function by using the touch module.
Description
Technical Field
The invention relates to the technical field of computer accessories, in particular to a backlight module of a notebook computer touch panel.
Background
Notebook computers are often designed with a touch pad, and in order to improve the problem that part of the keyboards of notebook computers do not include a numeric keyboard, the numeric keyboard function is usually integrated on the touch pad. In order to ensure that the clicking position of a user is accurate, in the prior art, characters are pasted or printed on a touch pad, but the user cannot see the position of the characters clearly under the condition of insufficient light; the backlight plate and the transparent character plate are arranged in the touch plate to enable the characters to emit light, but the touch and light emitting functions of the transparent character plate are required to be realized by the multi-layer plate combination, the structure is complex, the cost is high, and the accuracy of the touch plate is easily affected.
Therefore, it is necessary to provide a backlight module of a notebook computer touch pad to solve the above-mentioned problems in the prior art.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a notebook computer touch panel backlight module, includes the shell, the shell upper surface embedding has concave touch module, the side slot has respectively been seted up in the shell of touch module front and back side, every the inslot of side is equipped with the projection board, the projection board can be through laser instrument with specific character with laser projection to touch module surface.
Further, as the preference, be fixed with rather than the baffle that is certain angle below the projection board, carved with the fretwork character in the baffle, the one side that the projection board is close to the baffle has the speculum, the inside laser instrument that is fixed with of shell up vertically.
Further, preferably, the projection plate is rotatably connected to the housing, and the projection plate can seal the side groove when rotated to incline downward.
Further, preferably, the upper surface of the touch module has a diffuse reflection film.
Further, preferably, the projecting plate is provided with a chute at two ends, one end of the guide rod is slidably connected in the chute, and the other ends of the two guide rods extend downwards and are fixed in the connecting plate.
Further, preferably, a spring is connected between the connection plate and the inside of the housing, and the spring provides an elastic force for closing the projection plate.
Further, preferably, a magnetic conductive block is fixed in the connecting plate, and an electromagnet is arranged inside the housing.
Further, as an preference, two rows of hollowed-out characters are arranged in the baffle plates, and characters projected onto the touch module by the hollowed-out characters in the upper row in the two baffle plates are overlapped.
Compared with the prior art, the invention has the beneficial effects that:
in the invention, when the touch module is used for inputting characters, the electromagnet is electrified, the projection plate is in an open state, when the lasers on two sides emit laser, light rays penetrate through hollowed characters and are projected in a specific area of the touch module, and when a user clicks the specific area of the projected characters on the touch module, the computer matches the specific characters required to be input by the user, so that the character input function is realized.
In the invention, the projection distance of the second row of characters is far, so that the upper row of hollowed-out characters are required to be smaller than the lower row of hollowed-out characters in order to ensure that the sizes of the characters in each row are consistent, the light transmission quantity of the second row of characters is smaller than that of the first row of characters or the third row of characters, but the sizes and the brightness of each row of characters are uniform due to the superposition of the projection light of the lasers on the two sides of the second row of characters, so that the problem of nonuniform sizes and brightness of side projection characters is solved.
Drawings
FIG. 1 is a schematic diagram of a backlight module of a touch pad of a notebook computer;
FIG. 2 is a schematic diagram showing a partial cross-sectional structure of a backlight module of a touch pad of a notebook computer;
FIG. 3 is a schematic view of laser projection imaging;
in the figure: 1. a housing; 2. a touch module; 3. a side groove; 4. a projection plate; 5. a laser; 6. a reflecting mirror; 7. a baffle; 8. hollowed-out characters; 9. a diffuse reflection film; 10. a chute; 11. a guide rod; 12. a connecting plate; 13. a spring; 14. a magnetic conductive block; 15. an electromagnet; 16. incident light; 17. reflecting light; 18. low-order character light; 19. high-order character light; 20. a first row of characters; 21. a second row of characters; 23. and a third row of characters.
Description of the embodiments
Referring to fig. 1, in an embodiment of the invention, a backlight module of a notebook computer touch pad includes a housing 1, a concave touch module 2 is embedded in an upper surface of the housing 1, side grooves 3 are respectively formed in the housing 1 on front and rear sides of the touch module 2, a projection plate 4 is disposed in each side groove 3, and the projection plate 4 can project specific characters onto the surface of the touch module 2 by using a laser 5. When the user clicks a specific area of the projected character on the touch module 2, the computer matches the specific character required to be input by the user, thereby realizing the character input function.
Referring to fig. 2, in this embodiment, a baffle plate 7 having a certain angle is fixed below the projection plate 4, hollowed characters 8 are engraved in the baffle plate 7, a reflecting mirror 6 is arranged on one surface of the projection plate 4 close to the baffle plate 7, and a laser 5 facing vertically upwards is fixed inside the housing 1. And the laser 5 is aligned with an opening between the projection plate 4 and the baffle plate 7, and the laser light of the laser 5 is reflected into the baffle plate 7 through the reflected light 17 and projected onto the touch module 2 from the hollowed-out character 8.
In this embodiment, the projecting plate 4 is rotatably connected to the housing 1, and the projecting plate 4 can seal the side groove 3 when being rotated to incline downward. The baffle 7 can be retracted into the shell 1 by closing the projection plate 4, so that the hollow characters 8 are prevented from being polluted by dust and dirt to interfere with imaging.
In this embodiment, the upper surface of the touch module 2 has a diffuse reflection film 9. The laser light of the character shape is projected onto the diffuse reflection film 9 to ensure the clarity of the character.
In this embodiment, the two ends of the projecting plate 4 are provided with sliding grooves 10, one end of the guiding rod 11 is slidably connected in the sliding grooves 10, and the other ends of the two guiding rods 11 extend downward and are fixed in the connecting plate 12. That is, the guide bar 11 can drive the projecting plate 4 to open and close by moving the connecting plate 12 up and down, and the projecting plates 4 on both sides are opened and closed synchronously.
In this embodiment, the connecting plate 12 and the inside of the housing 1 are connected with a spring 13, and the spring 13 provides an elastic force for closing the projection plate 4.
In this embodiment, a magnetic conductive block 14 is fixed in the connecting plate 12, and an electromagnet 15 is disposed inside the housing 1. The electromagnet 15 is electrified to attract the magnetic conductive block 14 so as to move the connecting plate 12 upwards and enable the projection plate 4 to be in an open state.
In this embodiment, two rows of hollowed-out characters 8 are provided in the baffle 7, and the characters projected onto the touch module 2 by the hollowed-out characters 8 in the upper row in the two baffles 7 overlap. As shown in fig. 3, the incident light 16 emitted by the left laser 5 is projected on the reflecting mirror 6, so that the reflected light 17 is uniformly distributed in the baffle 7, the high-level character light 19 and the low-level character light 18 penetrating from the upper and lower rows of hollowed characters 8 are projected on the touch module 2 to form a first row of characters 20 and a second row of characters 21 respectively, and similarly, the right laser 5 forms a third row of characters 23 and a second row of characters 21 respectively on the touch module 2, and since the projection distance of the second row of characters 21 is far, the hollowed characters 8 of the upper row need to be smaller than those of the hollowed characters 8 of the lower row, so that the light transmission amount of the second row of characters 21 is smaller than that of the first row of characters 20 or the third row of characters 23, but since the second row of characters 21 are overlapped by the projected light of the lasers 5 on both sides, so that the size and brightness of each row of characters are uniform.
In the implementation, when the touch module 2 is used for operating a mouse, the electromagnet 15 is powered off, and the projection plate 4 is in a closed state; when the touch module 2 is used for inputting characters, the electromagnet 15 is electrified, the projection plate 4 is in an open state, light rays penetrate through the hollowed-out characters 8 and are projected in a specific area of the touch module 2 when the lasers 5 on two sides emit laser light, and when a user clicks the specific area of the projected characters on the touch module 2, a computer matches the specific characters required to be input by the user, so that the character input function is realized.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The backlight module of the notebook computer touch panel comprises a shell (1) and is characterized in that a concave touch module (2) is embedded in the upper surface of the shell (1), side grooves (3) are respectively formed in the shell (1) on the front side and the rear side of the touch module (2), a projection plate (4) is arranged in each side groove (3), and the projection plate (4) can project specific characters onto the surface of the touch module (2) through a laser (5);
a baffle plate (7) with a certain angle is fixed below the projection plate (4), hollowed characters (8) are carved in the baffle plate (7), a reflecting mirror (6) is arranged on one surface, close to the baffle plate (7), of the projection plate (4), and a laser (5) which is vertically upwards is fixed inside the shell (1);
the projection plate (4) is rotatably connected with the shell (1), and the side groove (3) can be sealed when the projection plate (4) rotates to incline downwards;
two rows of hollowed-out characters (8) are arranged in the baffle plates (7), and the characters projected onto the touch module (2) by the hollowed-out characters (8) in the upper row in the two baffle plates (7) are overlapped;
the incident light (16) emitted by the left laser (5) is projected on the reflecting mirror (6), so that the reflected light (17) is uniformly distributed in the baffle (7), the high-level character light (19) and the low-level character light (18) penetrating through the upper hollowed-out character (8) and the lower hollowed-out character (8) are projected on the touch module (2) to form a first row of characters (20) and a second row of characters (21) respectively, the right laser (5) forms a third row of characters (23) and a second row of characters (21) respectively on the touch module (2), and the second row of characters (21) is projected far away, so that the upper hollowed-out character (8) needs to be smaller than the lower hollowed-out character (8) in order to ensure that the size of each row of characters is consistent, and the light transmission amount of the second row of characters (21) is smaller than that of the first row of characters (20) or the third row of characters (23) is smaller than that of characters, but the second row of characters (21) is overlapped by the light of the two lasers (5) on two sides, so that the size and the brightness of each row of characters is uniform.
2. The backlight module of a notebook computer touch pad according to claim 1, wherein the upper surface of the touch module (2) is provided with a diffuse reflection film (9).
3. The notebook computer touch pad backlight module according to claim 1, wherein the two ends of the projection board (4) are provided with sliding grooves (10), one end of a guide rod (11) is slidably connected in the sliding grooves (10), and the other ends of the two guide rods (11) extend downwards and are fixed in a connecting plate (12).
4. A notebook computer touch pad backlight module according to claim 3, wherein the connecting plate (12) and the housing (1) are internally connected with a spring (13), and the spring (13) provides an elastic force for closing the projection plate (4).
5. A notebook computer touch pad backlight module according to claim 3, wherein a magnetic conduction block (14) is fixed in the connecting plate (12), and an electromagnet (15) is arranged inside the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310162804.0A CN116149430B (en) | 2023-02-24 | 2023-02-24 | Notebook computer touch panel backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310162804.0A CN116149430B (en) | 2023-02-24 | 2023-02-24 | Notebook computer touch panel backlight module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116149430A CN116149430A (en) | 2023-05-23 |
| CN116149430B true CN116149430B (en) | 2024-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310162804.0A Active CN116149430B (en) | 2023-02-24 | 2023-02-24 | Notebook computer touch panel backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116149430B (en) |
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| Publication number | Publication date |
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| CN116149430A (en) | 2023-05-23 |
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