Novel screen rotation and omni-directional inclination ball switch application
By using omnidirectional tilt ball switch in portable devices, the problem of complex circuit design in the prior art requires screen rotation and picture switching, and the effect of simplifying circuit design and reducing costs is achieved.
Patent Information
- Application Number
- CN202411909771.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-03-04
AI Technical Summary
In the prior art, portable devices require complex circuit and software design for screen rotation and horizontal and vertical switching of pictures, resulting in high manufacturing costs.
The omnidirectional inclined ball switch is adopted. Through vacuum extraction and micro packaging processes, the design level is normally turned OFF, and the switching circuit ON is achieved at a certain angle during tilting, simplifying circuit design and reducing costs.
The rotation switching function of the display screen is realized, which reduces costs, meets the needs of customers and markets, and adapts to different needs through different models of ball switches (such as 10 degrees, 15 degrees, 20 degrees, etc.).
Smart Images

Figure CN119556496A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of display devices, and in particular to an application of a novel screen rotation and omnidirectional tilting ball switch. Background Art
[0002] The English name of liquid crystal screen is LCD. Liquid crystal screen is based on liquid crystal and polarizer as basic components. Liquid crystal material is filled between two glass substrates. The arrangement of liquid crystal molecules is changed by voltage to achieve the purpose of shading and light transmission to meet the display effect of the pattern.
[0003] The application of LCD display screens in portable or mobile devices is increasing day by day in the market. Portable and mobile devices need to rotate the screen and freely switch the displayed pictures between horizontal and vertical directions. This type of design only has simple requirements, usually the recognition of the horizontal and vertical directions of the same surface, so there is no need for complex circuit and software design. In terms of manufacturing cost, we proposed a ball switch solution for automatic rotating screen to replace the conventional gravity sensor solution, which only recognizes high and low level signals to realize the picture switching after the LCD display screen is rotated. Summary of the invention
[0004] Technical issues solved
[0005] In view of the above-mentioned shortcomings of the prior art, the present invention provides a new screen rotation and omnidirectional tilt ball switch application. Through the application of simple devices, the rotation switching function of the display screen is realized, the cost is reduced, and the needs of customers and the market are met. By using the omnidirectional tilt ball switch and utilizing processes such as vacuum extraction and micro-packaging, the circuit is normally open OFF when horizontally and the switching circuit is turned ON when tilted at a certain angle. This can effectively solve the problem in the prior art that portable devices require complex circuit and software design for screen rotation and horizontal and vertical switching of display pictures, which brings about high manufacturing costs.
[0006] Technical Solution
[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions:
[0008] The present invention provides a novel screen rotation and omnidirectional tilt ball switch application, comprising an LCD liquid crystal box, an LED panel may be arranged on the inner side of the LCD liquid crystal box, the bottom end of the LED panel is electrically connected to a connecting belt, an omnidirectional tilt ball switch is arranged on the inner side of the connecting belt, and the bottom end of the connecting belt is electrically connected to a hot pressing paper, the bottom end of the hot pressing paper is connected to a COG glass, the bottom end of the COG glass is connected to an FPC, the LCD liquid crystal box comprises a cover plate, an upper bottom plate and a lower bottom plate, a plug plate is arranged at the bottom end of the lower bottom plate, an inner frame is fixed to the top end of the plug plate, positioning pieces are fixed to both sides of the inner wall of the inner frame, the LED panel is clamped in the cover plate through the positioning pieces; an IC connection is provided between the LCD liquid crystal box and the COG glass: the COG glass electrically connects the COG IC to the LCD liquid crystal box through an ACF film.
[0009] Connector belt device welding: Select a flexible circuit board, and electrically connect the omnidirectional tilt ball switch to the connector belt through STM reflow soldering, and determine the angle according to the rotation requirements.
[0010] Connecting the connection tape to the LCD liquid crystal box: Use the ACF film to electrically connect the connection tape to the LCD liquid crystal box.
[0011] Furthermore, the upper base plate and the lower base plate are both frame structures with no surface on the top, and upper positioning holes are opened at both ends of the inner side of the upper base plate, side holes are opened on both sides of the lower base plate, an inner groove body is opened in the middle of the lower base plate, and the connecting belt is arranged in the inner groove body.
[0012] Furthermore, a square groove structure is provided at the top of the cover plate, the LED panel is arranged in the groove, a trapezoidal platform structure is provided from the inner side of the top of the positioning piece to the outer side, and the distance between the tops of the two groups of positioning pieces is smaller than the width of the LED panel.
[0013] Furthermore, the side holes are provided in multiple groups at equal distances on both sides of the lower base plate, the four corners of the cover plate are provided with hole grooves, and the cover plate is fixedly connected to the upper positioning holes and the side holes by connecting bolts, and threaded grooves are provided in the upper positioning holes and the side holes; after fixing the inner frame of suitable size, the LED panel is clamped in the inner frame, and due to the positioning piece structure provided in the inner frame, the fixed clamping effect can be achieved, and the cover plate after the size is determined can be fixedly connected to the upper positioning holes and the side holes by the connecting bolts at the four corners for locking, and the connecting belt can pass through the inner groove body at the bottom to be connected to the hot pressing paper.
[0014] Furthermore, the size of the plug plate is adapted to the internal size of the upper base plate, and the user can move the plug plate by pulling the lower base plate structure at the bottom. When moving, the side holes on both sides of the lower base plate move accordingly and match cover plates of different sizes.
[0015] Furthermore, the LCD liquid crystal box is connected to the LED panel by sticking the plug board and the LED panel together through double-sided tape, and connecting the LED panel and the FPC together through welding. Through the application of simple devices, the rotation switching function of the display screen is realized, the cost is reduced, and the needs of customers and the market are met. By using an omnidirectional tilt ball switch and utilizing vacuumization, micro-packaging and other processes, the horizontal state is normally OFF, and the switching circuit is ON when tilted at a certain angle.
[0016] Furthermore, the omnidirectional tilt ball switch is welded to the connecting strip and then fixed on the back of the liquid crystal display screen at a certain angle.
[0017] Furthermore, the hot pressing paper is connected to the LCD liquid crystal box by crimping the hot pressing paper, which is a material used for LCD electrical connection and has circuit connection lines arranged therein, so as to realize electrical connection between the COG glass and the LCD liquid crystal box.
[0018] Furthermore, when the omnidirectional tilt ball switch is rotated greater than a selected angle, the internal ball changes, and through circuit coordination, the MUC collects different high and low levels through software coordination.
[0019] Beneficial Effects
[0020] Compared with the known public technology, the technical solution provided by the present invention has the following beneficial effects:
[0021] The present invention sets a split LCD liquid crystal box structure, and the user can adjust it according to the size of the internal LED panel. The user can pull the lower base plate structure at the bottom to drive the plug plate to move. When moving, the side holes on both sides of the lower base plate move accordingly and match the cover plates of different sizes. After fixing the inner frame of the appropriate size, the LED panel is clamped in the inner frame. Due to the positioning piece structure set in the inner frame, the effect of fixed clamping can be achieved, and the cover plate with a determined size can be fixedly connected with the upper positioning hole and the side hole by the connecting bolts at the four corners to be locked, and the connecting belt can pass through the inner groove body at the bottom to be connected with the hot pressing paper.
[0022] Through the application of simple devices, the rotation switching function of the display screen is realized, which reduces costs and meets the needs of customers and the market. In addition, by using an omnidirectional tilt ball switch and utilizing vacuumization, micro-packaging and other processes, the horizontal normally open OFF, and the switching circuit ON when tilted at a certain angle. According to different needs, different models such as 10 degrees, 15 degrees, 20 degrees, 30 degrees, 45 degrees, and 65 degrees are available, which can be widely used on mobile devices. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0024] Figure 1 It is a structural schematic diagram of the present invention;
[0025] Figure 2 It is a structural front view of the present invention;
[0026] Figure 3 This is one of the structural decomposition diagrams of the present invention;
[0027] Figure 4 This is the second structural split diagram of the present invention;
[0028] Figure 5 This is one of the structural disassembly diagrams of the LCD liquid crystal box in the present invention;
[0029] Figure 6 This is the second structural disassembly diagram of the LCD liquid crystal box in the present invention;
[0030] Figure 7 For the present invention Figure 6 The structural diagram at A in the middle;
[0031] Figure 8 The FPC device and wiring diagram in the present invention;
[0032] Fig. 9 It is a schematic diagram of the rotation of the omnidirectional tilting ball in the present invention;
[0033] Fig.10 Schematic diagram of the omnidirectional tilt ball switch of the present invention.
[0034] The numbers in the figure represent: 1. LCD liquid crystal box; 11. Cover plate; 12. Connecting bolts; 13. Upper base plate; 131. Upper positioning hole; 14. Lower base plate; 141. Inner tank; 142. Insert plate; 143. Side hole; 15. Inner frame; 151. Positioning sheet; 2. LED panel; 3. Connecting belt; 4. Hot pressing paper; 5. COG glass; 6. FPC; 7. Omnidirectional tilt ball switch. DETAILED DESCRIPTION
[0035] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0036] The present invention will be further described below in conjunction with the embodiments.
[0037] Embodiment: A novel screen rotation and omnidirectional tilt ball switch application, refer to the attached Figure 1 -Attached Fig.10 , comprising an LCD liquid crystal box 1, an LED panel 2 is disposed inside the LCD liquid crystal box 1, the bottom end of the LED panel 2 is electrically connected to a connecting strip 3, an omnidirectional tilting ball switch 7 is disposed inside the connecting strip 3, and the bottom end of the connecting strip 3 is electrically connected to a hot pressing paper 4, the bottom end of the hot pressing paper 4 is connected to a COG glass 5, and the bottom end of the COG glass 5 is connected to an FPC 6;
[0038] The LCD liquid crystal box 1 comprises a cover plate 11, an upper base plate 13 and a lower base plate 14, wherein the size of the cover plate 11 and the empty groove therein can be adjusted as needed, a plug plate 142 is arranged at the bottom end of the lower base plate 14, an inner frame 15 is fixed to the top end of the plug plate 142, positioning pieces 151 are fixed to both sides of the inner wall of the inner frame 15, and the LED panel 2 is clamped in the cover plate 11 through the positioning pieces 151; IC connection between the LCD liquid crystal box 1 and the COG glass 5: the COG glass 5 electrically connects the COGIC to the LCD liquid crystal box 1 through the ACF film; device welding of the connecting belt 3: a flexible circuit board is selected, and the omnidirectional tilt ball switch 7 is electrically connected to the connecting belt 3 through STM reflow soldering, and the angle is determined according to the rotation requirement; the connecting belt 3 is connected to the LCD liquid crystal box 1: the connecting belt 3 is electrically connected to the LCD liquid crystal box 1 using the ACF film.
[0039] The upper base plate 13 and the lower base plate 14 are both frame structures without a surface at the top, and upper positioning holes 131 are opened at both ends of the inner side of the upper base plate 13, and side holes 143 are opened on both sides of the lower base plate 14. An inner groove 141 is opened in the middle of the lower base plate 14, and the connecting belt 3 is arranged in the inner groove 141; a square groove structure is opened at the top of the cover plate 11, and the LED panel 2 is arranged in the groove, and a trapezoidal platform structure is arranged on the inner side of the top of the positioning piece 151 to the outside, and the distance between the tops of the two groups of positioning pieces 151 is less than the width of the LED panel 2; multiple groups of side holes 143 are evenly spaced on both sides of the lower base plate 14, and hole grooves are opened at the four corners of the cover plate 11, and the cover plate 11 is fixedly connected to the upper positioning hole 131 and the side hole 143 by connecting bolts 12, and the upper positioning hole 131 and the side hole 143 are fixedly connected to the upper positioning hole 131 and the side hole 143 by connecting bolts 12. The holes 143 are provided with threaded grooves; the size of the plug plate 142 is adapted to the internal size of the upper base plate 13; by setting a split LCD liquid crystal box 1 structure, the user can adjust it according to the size of the internal LED panel 2, and the user can pull the bottom base plate 14 structure at the bottom to drive the plug plate 142 to move. During the movement, the side holes 143 on both sides of the lower base plate 14 move accordingly and match the cover plates 11 of different sizes. After fixing the inner frame 15 of appropriate size, the LED panel 2 is clamped in the inner frame 15. Due to the positioning piece 151 structure provided in the inner frame 15, the effect of fixed clamping can be achieved, and the cover plate 11 with a determined size can be fixedly connected with the upper positioning hole 131 and the side hole 143 through the connecting bolts 12 at the four corners for locking, and the connecting belt 3 can pass through the inner groove body 141 at the bottom and be connected with the hot pressing paper 4.
[0040] The COG IC is connected to the external electrical circuit through circuit etching on the COG glass 5. The COG binding technology directly encapsulates the driver IC on the ITO of the LED liquid crystal panel through anisotropic conductive adhesive, so that the conductive bumps of the driver IC are interconnected and encapsulated with the ITO transparent conductive pads on the LCD, thereby lighting up the screen.
[0041] The LCD liquid crystal box 1 and the LED panel 2 are connected as follows: the plug board 142 and the LED panel 2 are adhered together by double-sided adhesive, and the LED panel 2 and the FPC 6 are connected together by welding; the omnidirectional tilt ball switch 7 is welded to the connecting strip 3 and fixed at a certain angle on the back of the liquid crystal display screen; the hot pressing paper (4) is connected to the LCD liquid crystal box (1) by crimping, and the hot pressing paper 4 is a material for LCD electrical connection, and circuit connection lines are arranged therein, so as to realize electrical connection between the COG glass 5 and the LCD liquid crystal box 1;
[0042] The omnidirectional tilt ball switch is welded to the connecting belt 3 to form a fixed physical structure and position with the liquid crystal box. By flipping the module, the direction of the omnidirectional tilt ball switch is changed, and a simple circuit is used to enable the MCU to collect different level signals, and the software is used to realize the flipping of the product display picture;
[0043] When the omnidirectional tilt ball switch 7 is rotated to a selected angle, the internal ball changes, and the MUC collects different high and low levels through circuit coordination, and through software coordination; through simple device application, the rotation switching function of the display screen is realized, the cost is reduced, and the needs of customers and the market are met. By using the omnidirectional tilt ball switch 7, vacuuming, micro-encapsulation and other processes, the horizontal normally open OFF, and the switching circuit ON is realized at a certain angle when tilted. According to different needs, there are different models such as 10 degrees, 15 degrees, 20 degrees, 30 degrees, 45 degrees, 65 degrees, etc. to choose from, which can be widely used on mobile devices.
[0044] like Fig.10 As shown, when the omnidirectional tilt ball switch 7 is rotated greater than the selected angle, the internal ball changes, and through the circuit coordination, the MUC collects different high and low levels, and realizes through software coordination Fig. 9 The graphic conversion shown in the figure is performed, and the omnidirectional tilt ball switch 7 is welded to the connecting belt 3 through SMT reflow soldering; different models such as 10 degrees, 15 degrees, 20 degrees, 30 degrees, 45 degrees, 65 degrees, etc. are available according to different needs, and can be widely used on mobile devices.
[0045] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.
Claims
1. A new screen rotation and omnidirectional tilt ball switch application, characterized in that: The invention comprises an LCD liquid crystal box (1), wherein an LED panel (2) is arranged inside the LCD liquid crystal box (1), the bottom end of the LED panel (2) is electrically connected to a connecting strip (3), an omnidirectional tilting ball switch (7) is arranged inside the connecting strip (3), the bottom end of the connecting strip (3) is electrically connected to a hot pressing paper (4), the bottom end of the hot pressing paper (4) is connected to a COG glass (5), the bottom end of the COG glass (5) is connected to an FPC (6), and the LCD liquid crystal box (1) The invention comprises a cover plate (11), an upper base plate (13) and a lower base plate (14); a plug plate (142) is arranged at the bottom end of the lower base plate (14); an inner frame (15) is fixed to the top end of the plug plate (142); positioning pieces (151) are fixed to both sides of the inner wall of the inner frame (15); the LED panel (2) is clamped in the cover plate (11) through the positioning pieces (151); an IC connection is formed between the LCD liquid crystal box (1) and the COG glass (5); and the COG glass (5) electrically connects the COG IC to the LCD liquid crystal box (1) through an ACF film. Device welding of the connecting belt (3): Select a flexible circuit board, and electrically connect the omnidirectional tilt ball switch (7) to the connecting belt (3) through STM reflow soldering, and determine the angle according to the rotation requirements. The connection tape (3) is connected to the LCD liquid crystal box (1): the connection tape (3) is electrically connected to the LCD liquid crystal box (1) using an ACF film.
2. The novel screen rotation and omnidirectional tilt ball switch application according to claim 1 is characterized in that: The upper base plate (13) and the lower base plate (14) are both frame structures with no top surface, and upper positioning holes (131) are provided at both ends of the inner side of the upper base plate (13), and side holes (143) are provided on both sides of the lower base plate (14). An inner groove body (141) is provided in the middle of the lower base plate (14), and the connecting belt (3) is arranged in the inner groove body (141).
3. The application of a novel screen rotation and omnidirectional tilt ball switch according to claim 1 is characterized in that: The top of the cover plate (11) is provided with a square groove structure, the LED panel (2) is arranged in the groove, the top of the positioning piece (151) is provided with a trapezoidal platform structure facing outward from the inner side, and the distance between the tops of the two groups of positioning pieces (151) is smaller than the width of the LED panel (2).
4. The novel screen rotation and omnidirectional tilt ball switch application according to claim 2 is characterized in that: The side holes (143) are provided in multiple groups at equal distances on both sides of the lower base plate (14), the four corners of the cover plate (11) are provided with hole grooves, and the cover plate (11) is fixedly connected to the upper positioning hole (131) and the side hole (143) by connecting bolts (12), and the upper positioning hole (131) and the side hole (143) are provided with threaded grooves.
5. The application of a novel screen rotation and omnidirectional tilt ball switch according to claim 4 is characterized in that: The size of the inserting plate (142) is matched with the inner size of the upper base plate (13).
6. The novel screen rotation and omnidirectional tilt ball switch application according to claim 1 is characterized in that: The LCD liquid crystal box (1) and the LED panel (2) are connected by gluing the plug board (142) and the LED panel (2) together by double-sided adhesive, and connecting the LED panel (2) and the FPC (6) together by welding.
7. The novel screen rotation and omnidirectional tilt ball switch application according to claim 1 is characterized in that: The omnidirectional tilting ball switch (7) is welded to the connecting strip (3) and then fixed on the back of the liquid crystal display screen at a certain angle.
8. The novel screen rotation and omnidirectional tilt ball switch application according to claim 1 is characterized in that: The hot pressing paper (4) is connected to the LCD liquid crystal box (1) by pressing the hot pressing paper (4). The hot pressing paper (4) is a material used for LCD electrical connection and has circuit connection lines arranged therein, so as to realize electrical connection between the COG glass (5) and the LCD liquid crystal box (1).
9. The novel screen rotation and omnidirectional tilt ball switch application according to claim 1 is characterized in that: When the omnidirectional tilt ball switch (7) is rotated to a value greater than a selected angle, the internal ball changes, and the MUC collects different high and low levels through circuit coordination, and coordinates through software.