TWI363986B - Display with replaceable touch panel - Google Patents

Description

1363986 TW4156PA * IX. Description of the Invention: [Technical Field] The present invention relates to a display device, and more particularly to a touch display device. [Prior Art] In recent years, with the development of flat panel display technology, the display effect of flat panel displays has been greatly improved, and it is sufficient for various display requirements of audio-visual entertainment, professional and research. Compared with the traditional cathode ray tube screen, the flat panel display has the advantages of low radiation, light weight and small volume. Moreover, due to the advancement of the process technology, the cost of the flat panel display is reduced, which makes the flat panel display popular among consumers in the market. . Commonly used flat panel displays include - plasma displays, liquid crystal displays, and organic electroluminescent diode displays, etc. Among them, liquid crystal displays have relatively low cost, and the industry has been working hard in recent years to make the contrast of liquid crystal display devices The high display color gamut and the shorter reaction time have gradually become the mainstream flat display on the market. In order to meet the requirements of modern people for a more convenient and intuitive human-machine interface, in recent years, the display device with touch function has been gradually introduced in the market, which integrates the touch panel and the display component into a single display device, allowing the user to You can do this by clicking directly on the face. In general, a touch-sensitive display device bonds a touch panel and a display component with a double-sided tape. Referring to Fig. 1, there is shown a touch-sensitive display device which is conventionally bonded by a double-sided tape. The touch display device 100 includes a touch panel 110, TW4156PA 5 1363986

* I

The TW4156PA shows component 130 and double-sided tape 150. The display assembly 130 includes a display panel 13 and a backlight module 132 and an outer frame 133. The touch panel 110 is mounted on the outer frame 133 via a double-sided adhesive 150, whereby the touch panel 11 is folded over the display panel 131. When the touch panel 110 fails to perform the touch operation, the double-sided tape 150 must be directly cut by using a heavy tool such as a blade, a nylon thread or a thin steel wire to separate the touch panel 110 and the display component 130, thereby replacing the faulty touch. Control panel 110. However, such a method is not only time-consuming, but also has the problem that the panel is damaged and the person is easily injured when cutting the double-sided tape. In order to avoid the above problems, the industry has developed a way to use the external clamping mechanism to hold the touch panel and the display assembly. However, this method increases the thickness of the display device, and at the same time increases the complexity of the rework steps. It does not help to improve the efficiency of heavy work. The present invention provides a touch display device that uses a frame having a non-uniform width receiving groove to accommodate a touch panel and a display assembly, and allows the touch panel to be moved to the touch display device. Inside and outside, to replace the touch panel. Rework can be performed without any auxiliary tools, and it will not harm other components in the touch display device. According to the present invention, a touch display device is provided, including a frame, a display assembly, and a touch panel. The frame has a receiving groove, and at least one of the opposite side walls of the receiving groove is stepped. Display component

TW4156PA A 1363986 TW4156PA ' is placed in the accommodating slot. The touch panel is disposed in the receiving slot and above the display assembly. The opening of the receiving slot exposes one of the touch faces of the touch panel. According to the present invention, a touch display device is further provided, comprising a frame, a display component and a touch panel. The touch panel is located above the display assembly. The frame only accommodates the display component and the touch panel, and the opening of the frame exposes one of the touch faces of the touch panel. The above described objects, features, and advantages of the present invention will become more apparent from the aspects of the preferred embodiments of the invention. For example, the touch display device uses a frame-seat to accommodate the display component and the touch panel. The frame has a receiving groove, and the side wall of the receiving groove is stepped, so that the display component and the touch panel can respectively contact the sidewall of the receiving groove. In addition, the touch display device further utilizes the notch of the frame, so that the touch panel can be moved away from the frame by the notch for heavy work. The following is a description of the embodiments of the present invention, and is not intended to limit the scope of the present invention. Further, the drawings of the embodiments also omit unnecessary elements to clearly show the technical features of the present invention. Please refer to FIG. 2A and FIG. 2B simultaneously. FIG. 2A is a schematic diagram of a touch display device according to an embodiment of the present invention; FIG. 2B is a schematic view of a frame base of FIG. 2A. The touch display device 200 mainly includes a frame 210, a display component 230, and a touch panel 250. The frame 210 has a TW4156PA 7 1363986 TW4156PA 'a accommodating groove 21 〇A ′. At least two opposite side walls 21 of the valley groove 210A are stepped. The display component 23 is disposed in the receiving slot 210A, and the touch panel 250 is also disposed in the valley slot 210A and located above the display assembly 230. The opening of the receiving groove 210A exposes one of the touch surfaces 250a of the touch panel 250. As shown in Fig. 2A, the display unit 230 in the present embodiment includes, for example, a display panel 231 and a backlight module 232. The backlight module 232 is disposed under the display panel 231 for providing light to pass through the display panel φ 231 for displaying the screen. The backlight module 232 includes at least one optical film 233 disposed on one side of the display panel 231, and the optical film 233 includes, for example, a diffusion plate, a brightness enhancement sheet, a polarizer, and the like. The backlight module 232 of the embodiment is exemplified by a direct-lit backlight module. The backlight module 232 can also be a lateral illumination type backlight module. limit. In addition, the light source 234 of the backlight module 232 is, for example, a plurality of cold cathode fluorescent lamps (CCFLs) or a plurality of light emitting diodes (Light).

Emitting Diode 'LEDs' Further, the display panel 231 can be, for example, a liquid crystal display panel (LCD panel). However, the technology of the display assembly 230 is not limited thereto, and other examples such as a plasma display panel (Plasma Display) A Pane PDP), an Organic Electro-Luminescence Display Panel (OELD panel), or other flat display panels can be applied thereto. In this embodiment, since the light source 234 and the optical film 233 are both disposed in the frame 210, the frame 210 can be regarded as the casing of the backlight module 232.

TW4156PA R 1363986 TW4156PA', that is, the backlight module 232 of this embodiment may include a light source 234, an optical film 233, and a frame 210. Moreover, a reflector (not shown), such as an aluminum plate, may be disposed between the bottom surface of the frame 210 and the light source 234, for example, to improve the efficiency of the overall light energy. The accommodating groove 210A proposed by the present invention can be appropriately changed according to the actual design. In this embodiment, as shown in FIG. 2B, the shape of the accommodating groove 210A is, for example, an inverted trapezoid, that is, the width of the opening of the accommodating groove 210A is substantially larger than the width of the bottom of the accommodating groove 210A. Please refer to the two opposite sidewalls 210S of the stepped shape of the accommodating slot 210A in FIG. 2B. The two opposing sidewalls 210S have a plurality of levels, for example, including a first level 211S and a second level. 212S and a third level 213S. In this embodiment, at least two opposite sides of the backlight module 232, the display panel 231, and the touch panel 250 can respectively contact two opposite sidewalls of the first layer 211S, the second layer 212S, and the third layer 213S. 210S. In this way, the side walls 210S of the first level 211S to the third level 213S are respectively connected to the backlight module 232, the display panel 231, and the touch panel 250, and the components can be fixed in the frame 210. However, the side wall of one of the receiving slots 210A is designed to be stepped, and the other side wall of the side wall is upright and flat, and the other side wall is combined with the backlight module 232 and the display panel 231. The gap formed by the touch panel 250 can be filled with a filler. According to the design of the embodiment, the area of the touch panel 250 is substantially larger than the area of the display panel 231, and the area of the display panel 231 is substantially larger than the area of the backlight module 232. Although, in the second embodiment of the embodiment, there are two oppositely arranged steps TW4156PA g

TW4156PA shape, wall ^1〇S as an example 'of the general knowledge of the second, /, and the fourth side wall of the frame 210 (not shown in Figure 2B, can refer to Figure 3A) can also be P&amp The ladder shape is used to bear the other sides of the display assembly 230 and the touch panel 250, and the four sides thereof are fixed in the frame 210. Because the sidewalls 210S are stepped, the sidewalls 210S can appropriately accommodate the display component 230 and the touch panel 25A for the display components 230 and the touch panel 250 having different sizes. Further, the detailed design of the frame of the present invention may be slightly modified or modified as needed. The present invention is not particularly limited. Please refer to Fig. 3 and Fig. 3 for a perspective view of the frame of Fig. 2; Fig. 3 is a perspective view showing the touch panel disposed in the frame of Fig. 3. Figure 4 is a perspective view of another frame in accordance with the present invention. As shown in Figures 3 and 3, the frame 210 has an indentation 210b that exposes one side 250S of the touch panel 250. The touch panel 250 can be along the recess 210b. The frame 210 is moved away from the frame 210 substantially parallel to the direction of the touch surface 250a (as in the direction of the arrow in FIG. 3B). In this embodiment, the sidewalls 210S of the third level of the frame 21 are only partially exposed around the touch panel 25A and are not exposed to the remaining sides of the recess 210b, as shown in FIG. 3B. In addition to the frame of the 3A and 3B drawings, FIG. 4 shows another embodiment of the frame of the embodiment of the present invention, wherein the frame 210, the third layer 213S, and the side walls completely surround the touch panel. 250 is not exposed to the recess 2i〇b. In addition, the touch display device 200 of the embodiment further includes a frame

270, covering the edge of the frame 210 and the touch surface 250a (such as 2A TW4156PA, Λ 1363986

TW415 § PA diagram). Please refer to FIG. 5A and FIG. 5B, FIG. 5A is a perspective view of the outer frame in FIG. 2A, and FIG. 5B is a perspective view showing the touch panel disposed in the outer frame of FIG. 5A. The outer frame 270 has an outer frame opening 27〇b located at a first side 270c of the outer frame 270, the first side 27〇c being substantially perpendicular to the contact surface 250a. When the outer frame 270 is combined with the frame 21 as shown in FIG. 2A, the outer frame opening 270b substantially corresponds to the notch of the frame 21〇 at (nine) (the notch 210b is not depicted in FIG. 3B). The control panel 25A can be moved to the outside of the outer frame 270 by the recess 21 and the outer frame opening 270b. So when you touch

When the control panel 250 fails, the touch panel 25 can be directly extracted to perform the rework quickly and easily. However, the arrangement of the outer frame opening 270b is not limited to the foregoing (the fifth and fifth laps) is located at the first side 27〇c of the vertical touch surface 25〇a, and may be different for the outer frame opening π. design. Referring to Figure 6, a perspective view of another outer frame in accordance with an embodiment of the present invention is shown. The outer frame opening 27 is also located on the outer frame 270, the first side 270c and the second side 270d, the first side 270c is adjacent to the second side 27〇d, and the first side 27〇c is substantially perpendicular to the second side Side 270d. Similarly, the outer frame opening 27〇b substantially corresponds to the recess 210b of the frame 210, so that the touch panel 25〇 can be moved to the outside of the outer frame 27〇 by the recess 210b and the outer frame opening 270b. In addition, the touch display device 2 of the present embodiment further includes a cushion 310' pad 310 disposed between the touch panel 25A and the outer frame 270, as shown in FIG. 2A. Show. In more detail, the frame of the touch surface (10) covered by the outer frame 27G and the outer frame 27G is made of an elastic material for buffering the outer frame 270 1363986.

The TW4156PA covers the stress of the edge of the touch surface 250a to avoid the problem that the outer frame 270 scratches the touch panel 250 when the touch panel 250 moves relative to the outer frame 270 and the frame 210; and is used for tightly engaging the outer frame 270 and The touch panel 250 prevents foreign matter from entering the inside of the frame 210, thereby eliminating the problem of dust or contamination between the touch panel 250 and the display panel 231. In addition, the material of the viewing layer 31 can be, for example, a grindstone material, such as Teflon (PTFE), which facilitates movement of the touch panel 250 relative to the outer frame 270 and the frame 210, and contributes to the touch panel 2500. The exchange action is carried out.

The faulty touch panel 250 is removed from the outer frame 270 in the direction of the flat touch surface 250a via the recess 21 〇b and the outer frame opening 270b, and another good touch panel is opened through the recess 210b and the outer frame. After the 270b is inserted into the outer frame 270 and the frame 210, the rework operation of the touch display device 2 is completed. Preferably, the touch panel 250 and the frame 210 are fixed by a connecting member, so that the touch panel 250 is fixed in the frame 210. The connector can be, for example, a hook, a screw, an adhesive or other means for securing the touch panel 250 within the frame 21〇. Secondly, the touch display device 2 of the embodiment further includes a control package module. Please refer to FIG. 7A for a schematic diagram of a touch display device including a control circuit module. The control circuit module 29 is, for example, an element including a printed circuit board (PCB) and a control integrated circuit (IC), and is electrically connected to the display unit 230 and the touch panel 25. In the embodiment of FIG. 7A, the control circuit module 29 is integrated into the touch panel 25A. Further, the display component 230 and the control circuit module 29〇 270, and the touch panel 250 and the touch panel 250 are all disposed on the outer frame.

TW4156PA 12 1363986

The TW4156PA is connected to the external meta-line through the control panel module 290 through a touch panel (panel cable) 292 (the other is reversed to the computer system. For details, see Figure 7, control circuit module and touch panel) 250 separate settings. As shown in Figure 7, the W-module module is set in the frame 21〇τ:?Γ =, the control circuit 294 is connected to the control circuit module. The ground system is connected to the control circuit through the outside of the outer frame (10) to compare the touch panel 25. It is not subjected to the action of the control circuit 294. Blocking in other different implementations is performed to connect the reuse control line 294 to the touch batch. Ten, the touch panel 25 can be used as a control card. A type display device 2, external, the above is preferably implemented according to the present invention.

When the touch panel is faulty, the touch-sensitive display device can be in the direction of the parallel touch surface through the notch of the frame and the outer frame of the outer frame. Move away from the frame 'and inside the frame to carry out heavy work. Therefore, the opening of the frame and the outer frame of the frame does not require disassembly of the touch display device, and does not require any heavy tools to be replaced. It can improve the safety of heavy work. 1 The Athen money touch panel can avoid other good features in the display device: convenience and efficiency, and better yield. In the above, the preferred embodiments of the present invention are disclosed above, but the sub-Asian is used to define the present invention. TW4156PA \ Ming belongs to the technical field with 1363986

TW4156PA I. Those skilled in the art can make various changes and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of the invention is defined by the scope of the appended claims.

TW4156PA 14 1363986 TW4156PA 'A Brief Description of the Drawings FIG. 1 is a schematic view showing a touch display device using a double-sided tape; FIG. 2A is a schematic view showing a touch display device according to an embodiment of the invention; 2B is a perspective view of the frame in FIG. 2A; FIG. 3A is a perspective view of the frame of FIG. 2A; FIG. 3B is a perspective view of the touch panel disposed in the frame of FIG. 3A. FIG. 3 is a perspective view of a frame seat according to another embodiment of the present invention; a perspective view of a frame having a full circumference around a side of the touch panel not exposed to the recess; FIG. 5A illustrates a frame of FIG. 2A FIG. 5B is a perspective view showing the touch panel disposed in the outer frame of FIG. 5A, FIG. 6 is a perspective view showing another outer frame according to an embodiment of the present invention; and FIG. 7A is a view showing the control circuit module; A schematic diagram of a touch-sensitive display device of the group; and a schematic diagram of the touch-sensitive display device with the control circuit module disposed outside the outer frame. [Description of main component symbols] 100, 200, 200', 200": touch display device TW4156PA 15 1363986 TW4156PA '110, 250, 250': touch panel 130, 230: display components 131, 231: display panel. 132 232: backlight module 133, 270, 270': outer frame 150: double-sided tape 210, 210': frame 210A: accommodating groove • 210b: notch 210S: side wall 211S of accommodating groove: first layer 212S: second level, 213S, 213S,: third level 233: optical film 234: light source 250a: touch surface w 250S: side of the touch panel 270b, 270b': outer frame opening 270c: first side 270d : second side 290: control circuit module 292: touch panel connection line 294: control line 310: pad TW4156PA 16

Claims (1)

1363986 ~ Year of the next day revision - iw4 October 4th revised replacement page 10, the scope of the patent application: 1. A touch display device, comprising: a frame seat having a receiving cavity, At least one of the opposite side walls of the accommodating groove is stepped; - a display component is disposed in the accommodating groove; and a touch panel disposed in the accommodating groove and located at the display component The opening of the receiving slot exposes one touch surface of the touch panel; an outer frame is wrapped around the frame and the edge of the touch surface; and a control circuit module is located in the outer frame And electrically connected to the display component and the touch panel; wherein the control circuit module is connected to the external component via the control circuit via the outside of the outer frame. 2. The touch display device of claim 1, wherein the width of the receiving slot opening is substantially greater than the width of the bottom of the receiving slot. 3. The touch display device of claim 1, wherein the frame has an indentation, the notch exposing one side of the touch φ panel, the touch panel The recess can be moved away from the frame by a direction substantially parallel to the touch surface. 4. The touch display device of claim 3, wherein the outer frame has an outer frame opening on one side of the outer frame, the side surface being substantially perpendicular to the touch surface, the outer frame The opening substantially corresponds to the recess, such that the touch panel can be moved from the notch and the outer frame opening to the outside of the outer frame. 5. The touch display device of claim 3, wherein the outer frame has an outer frame opening, located on a first side of the outer frame and a 17 side surface, 4 goods., October 100 4 a correction replacement page 5 first side of the first adjacent to the first - gamma S.吉Μ..., the side' and the first side is perpendicular to the second side, the side of the outer frame is solid, such that the touch and the cup of the gentleman are corresponding to the outer notch of the notch frame And the outer frame opening is moved to the outside of the touch-sensitive display device according to item 3 of the patent scope, wherein the edge of the frame is not exposed to the notch; In the above-mentioned hard-to-display device, at least two opposite sides of the plurality of opposite sides of the plurality of slabs respectively contact the two opposite side walls j ′ respectively, at least two opposite sides of the touch panel are respectively in contact with The second of the two opposing sidewalls is a second level. 8. The touch display device of claim 7, wherein the touch panel has an area substantially larger than an area of the display unit. 9. The touch display as described in claim 1 includes: a cushion is disposed between the touch surface and the outer frame. 10. The touch display device of claim 2, wherein the display component comprises: a display panel; and the optical module is disposed on a side of the display panel different from the touch panel. The touch display device of claim 10, wherein the two opposite sidewalls respectively have a plurality of layers, the backlight module, the 1363986 100, the 4th of October, the modified replacement page display panel and At least two opposite side steps of the touch panel respectively contact one of the first opposite layer, the second level, and the third level. The touch display device of claim 11, wherein the area of the touch panel is substantially larger than the area of the display panel, and the area of the display panel is substantially larger than the area of the backlight module. 13' The touch display device as described in claim 1 wherein the backlight module comprises: a plurality of cold cathode lamps (CCFLs) 〇 14. The touch display device of claim 10, wherein the backlight module comprises: a plurality of light emitting diodes (LEDs). 15. The touch display device as claimed in claim i wherein the backlight module is a direct type backlight module. 16. The touch display device of claim 10, wherein the backlight module is a lateral illumination type backlight module. The touch-sensitive display device of the first aspect of the invention, wherein the backlight module further comprises: at least one optical film disposed on a side of the display panel different from the touch panel. The touch display device of claim 1, wherein the display panel is a liquid crystal display panel (LCD panel). 19. The touch display device of claim 1, wherein the display component comprises a plasma display panel (PDP). 20. The touch display device of claim 1, wherein the display component comprises an Organic Electro-Luminescence Display Panel (OELD panel) 〇 21. The touch display device of the present invention further includes: a connecting member for fixing the touch panel and the frame. 22. The touch display device of claim 21, wherein the connector comprises a hook, a screw or an adhesive. 20