TW556140B - Touch type liquid crystal display - Google Patents

Abstract

A touch type liquid crystal display comprises a backlight module, a liquid crystal panel, a frame component, a first housing, a second housing and a touch panel, wherein a space is formed between the touch panel and the liquid crystal panel. The frame component is arranged between the liquid crystal panel and the touch panel to make the aforementioned space to be an airtight space, thereby providing the effect of dustproof and buffering.

Description

556140

[Field of the invention] i hair: related to a touch-sensitive liquid crystal display in a kind of framed chess from n ⑺ you related to the display; the view zone disk outside the control t crystal: display, can buffer the liquid crystal seed The protection effect is absolutely to achieve the goal of dust-proof @, and to provide a [Background of the Invention], there are quite a few products on the market that use touch-screen LCD notebook computers, personal digital assistants (PDAs), mobile phones, etc.

In many products, there is a touch panel, which allows users to input operation instructions directly on the screen. As shown in FIGS. 1a and 1b, FIG. 1a is a schematic diagram of a backlight liquid crystal display 10 currently available on the market, and FIG. 1b is a cross-sectional view taken along the scraping surface line Ib-Ib 'on the second chart. As shown in FIG. 丨 b, a conventional backlight liquid crystal display 10 includes a liquid crystal panel 102, a first housing 104, a touch panel 106, an optical film 110, a light guide plate 112, and a reflection sheet. 114. A backlight 116 and a second casing 118.

Among them, the reflection sheet 114, the light guide plate 112, the optical film 1 and the LCD panel 102 are sequentially stacked from bottom to top, and the backlight source 丨 6 is adjacent to the light guide plate 112 and covers the reflection sheet 114. Inside. After that, the first casing and the second casing 118 are engaged to cover the above components, and finally, the touch panel 106 is adjacent to the first casing 104 to form a backlight-type liquid crystal display 10. As shown in the lb diagram, there is a gap 120 between the liquid crystal panel 102 and the first case 104. This gap 120 will allow dust or foreign objects to run to the liquid crystal panel 102.

0632-8273TW (n); AU91033; cat.ptd

556140 V. The visible area of the description of the invention (2), which affects the visual effect. When an external force is applied to the touch panel 102, the liquid crystal panel 102 and the light guide plate 112 may be damaged, and the product may be damaged. In addition, please refer to FIG. 2, which is a cross-sectional view of a front-light-source type liquid crystal display which is commercially available. As shown in FIG. 2, a conventional light source type liquid crystal display 20 includes a liquid crystal panel 202, a first case 204, a touch panel 206, 'a light guide plate 212, a reflection sheet 214, a light source 216, and a second case 218.' The light source 216 is covered by the reflection sheet 214 and is adjacent to the light guide plate 212. The reflection sheet 214 is adjacent to the first casing 2. After the liquid crystal panel 202 is adjacent to the second casing 218, the second casing 218 is again adjacent to the first casing. After the 204 is engaged, finally, the touch panel 206 is adjacent to the first housing 204. As shown in FIG. 2, a gap 22 °, an m gap 2 2 0, 2 2 2 will be formed between the liquid crystal panel 202 and the light guide plate 212 and between the housing 204 and the light guide plate 212. Γ1 Β. ^ Dust or foreign matter ran on the visible area 2 of the LCD panel 202 before the first plate 212 ', and then affected the visual effect. When the external force is applied to 002 and the material of the light guide plate 3 factory, the liquid crystal panel r / iso light plate 212 may be damaged and the product may be damaged. [Summary of the invention] Therefore, the present invention > ^ > 'the purpose is to achieve anti === 11, having a -frame type member area and a light guide plate. The visibility of dust or foreign matter entering the liquid crystal panel is another purpose of the touch panel 4 and the light guide plate of the present invention, that is, to provide liquid balance protection to prevent the liquid crystal panel and light guide plate from external

0632-8273TWF (n); AU91033; cat.ptd Page 5 556140

Injury and crushing due to force. * A touch-type liquid crystal display according to the present invention includes at least a backlight module, a liquid crystal panel, a frame-shaped member, a first case, an f-case, and a touch panel. One

The above-mentioned liquid crystal panel is disposed on the backlight module, the frame-shaped member is disposed around the display area of the liquid crystal panel, the first casing is disposed on the frame-shaped member, and the second casing is disposed on the back of the backlight module. The case is engaged, so that the liquid crystal panel and the backlight module are covered by the engaged first and second cases: the touch panel is disposed above the liquid crystal panel and is adjacent to the first case. The frame-shaped member forms a closed space between the liquid crystal panel and the touch panel as described above. The frame-shaped member is disposed between the liquid crystal panel and the casing, and a sealed space is formed between the liquid crystal panel and the casing, which can be prevented. Efficacy of gray ^ or foreign matter entering the visible area of the LCD panel. The frame-shaped member is made of plastic material j = high compression ratio, which provides a liquid crystal panel and a light guide plate: 力: -f force to protect f 'When an external force is applied to the touch panel, due to the cushioning of the frame 34 Force will protect the LCD panel and the light guide plate from damage < Another touch-type liquid crystal display according to the present invention includes

Three groups,-a liquid crystal panel, a first case, a second case, a component and a touch panel. The first case is adjacent to the front light module, and the second case is disposed in the liquid and is engaged with the first case, so that the liquid crystal panel and the front light module are enclosed, and the second case is enclosed therein. , The frame-shaped member is arranged around the display of the liquid crystal panel, the touch panel is arranged above the front light module, and

0632.8273 ™ F (n); AU91033; cat.ptd Page 6 556140 V. Description of the invention (4) A closed space is formed between the first case t- ± and the first case t- ±. The K-shaped member allows the LCD panel and the front light module to be set between the LCD panel and the front light module to prevent dust or foreign matter; ^ 2, Ϊ, · 'and a closed space is formed between them to achieve the material For the efficacy of the high-voltage viewable area. And the frame type member, because the frame type is not damaged when an external force is applied to the touch panel. This will protect the LCD panel and the front light module. 2: A kind of touch-sensitive liquid crystal display stomach, including at least-a frame :: a second frame-shaped member and the back group of the second panel that touches the second group are adjacent, and the second case is arranged at the first of the liquid group being engaged The second and third places the liquid crystal panel and the front light module on the display body of the liquid crystal panel. The frame is placed between the frame member and the front light module, and the frame is placed on the first case. The body shell abuts. 』Set f above the front light module, and between the -th light module and the front light mold f pieces, so that the liquid crystal panel and the front as described above π oil ,,, '/, the first case Form a closed space between. Between the groups, the second frame structure is placed in front of the LCD panel and the front light mode panel: between the C touch panel and the front light module, which can be reached due to the formation of a closed space; two = panel and front light mode In the group, the visible area and the effect of fire dust or foreign objects on the front light module entering the LCD panel's Moon J nine chess group. Moreover, because of the first frame configuration described above,

0632-8273TWF (n); AU91033; cat.ptd 556140 V. Description of the invention (5) '' " " " " = and the second frame member is made of high compression ratio plastic material, ^ Provides the buffer protection capability of the LCD panel and the front light module. When an external force is applied to the touch panel or the housing, the liquid crystal panel and the front light will be protected due to the buffer capacity of the first frame type member and the second frame member. The module will not be damaged. [Detailed description of the invention] Therefore, the advantages of the present invention are that it can prevent dust or foreign objects from entering the visible area of the liquid crystal panel, the backlight module and the front light module, and provide the liquid crystal panel, the backlight module and the front light module. A buffer protection prevents the LCD panel, backlight module and front light module from being damaged and crushed by external forces. In order to make the above and other objects, features, and advantages of the present invention more comprehensible, several specific preferred embodiments are exemplified below and described in detail with reference to the accompanying drawings. [Embodiment] The first embodiment: Refer to FIG. 3 for details. A touch-type liquid crystal display according to the first embodiment of the present invention will be described in detail. A touch-sensitive liquid crystal display 30 according to the present invention is shown in FIG. 3, which includes a backlight module 31, a liquid crystal panel 300, a frame-shaped member 308, a first housing 304, and a first Two casings 318 and a touch panel 306. The backlight module 31 includes a backlight source 316, a light guide plate 312, and a reflective sheet 314. Among them, the liquid crystal panel 302 is disposed on the backlight module 31, the frame-shaped member 308 is disposed around the display area of the liquid crystal panel 302, and the first casing 304 is disposed.

556140 V. Description of the invention (6) On the frame member 308, the second case 318 is disposed on the back of the backlight module 31 and is engaged with the first case 304, so that the liquid crystal panel 302 and the backlight module 31 are engaged. The first and second casings 304 and 318 are enclosed therein, and the touch panel 306 is disposed above the liquid crystal panel 300 and is adjacent to the first casing 304. Among them, a closed space is formed between the liquid crystal panel 302 and the touch panel 306 by the frame-shaped member 308. The 'frame-shaped member 308 is made of a plastic material with a high compression ratio. By providing a frame-shaped member 308 on the liquid crystal panel 302, the gap between the liquid crystal panel 302 and the touch panel 306 was originally shown in FIG. 1b. 120 forms a closed space. In this way, the effect of preventing dust or foreign objects from entering the visible area of the liquid crystal panel 302 can be achieved. In addition, because the frame-shaped member 308 is made of a plastic material with a high compression ratio, the liquid crystal panel 302 and the light guide plate 312 are provided with a buffer protection capability. Therefore, when an external force is applied to the touch panel 3 06, The shape member 3 08 has a buffering ability, so it can protect the liquid crystal panel 302 and the light guide plate 312 from being damaged. Furthermore, the above-mentioned backlight module 3 丨 further includes an optical film 31 and a diffuser. Second Embodiment: Referring to FIG. 4, a touch-type liquid crystal display according to a second embodiment of the present invention will be described in detail. Disclosed in this embodiment is a touch-sensitive liquid crystal display 40 according to the present invention. As shown in FIG. 4, it includes a front light module 41, a liquid crystal panel 402, a first housing 404, and a second Housing 418, a frame-shaped member 4〇§,

556140 V. Description of the invention (7) A touch panel 406. The front light module 41 includes a front light source 416, a light guide plate 412, and a reflection sheet 414. The first case 404 is adjacent to the front light module 41, and the second case 418 is disposed on the back of the liquid crystal panel 402 and is engaged with the first case 404, so that the liquid crystal panel 402 and the front light module 41 are The first and second housings 404 '418 that are engaged with each other are covered, a frame-shaped member 408 is disposed around the display of the liquid crystal panel 402, and a touch panel 406 is disposed above the front light module 41, and The first housing 404 is adjacent to each other. A closed space is formed between the liquid crystal panel 40 and the front light module 41 by the frame-shaped member 408. Among them, the frame-shaped member 408 is made of a plastic material with a high compression ratio. By setting a frame-shaped member 408 on the liquid crystal panel 402, the original frame

Efficacy of 402 viewable area. Also, because the above-mentioned frame member 408 is made of a plastic material with high compression ratio, and provides the ability of the liquid crystal panel 402 and the light guide plate 412 to be buffered and protected, when an external force is applied to the second casing 418 At this time, since the first frame-shaped member 408 has a buffering ability, the liquid crystal panel 40 and the light guide plate 412 can be protected from damage. . In addition, the foregoing optical module 41 further includes an optical film and a diffusion sheet. The third and third embodiments: Please refer to FIG. 5 for a touch-type liquid crystal display. Detailed description of the third embodiment of the present invention 556140

Disclosed in this embodiment is a touch-sensitive liquid crystal display 50 according to the present invention. As shown in FIG. 5, it includes a front light module 51, a liquid crystal panel 502, a first housing 504, and a first Two casings 518, a first frame-shaped member 508, a second frame-shaped member 51O, and a touch panel 506. The front light module group 51 includes a front light source 516, a light guide plate 512, and a reflection sheet 514. The first case 504 is adjacent to the front light module 51, and the second case 518 is disposed on the back of the liquid crystal panel 502 and is engaged with the first case 504, so that the liquid crystal panel 502 and the front light module 51 The first and second housings 504 that are engaged,

518 is wrapped in it, the first frame-shaped member 508 is disposed around the display of the liquid crystal panel 502, and the second frame-shaped member 51Q is disposed between the first case ⑽ and the front light module 51. The panel 506 is disposed above the front light module 51 and is adjacent to the first case 504. Among them, # is formed by the first and second frame members 508, 510, so that a closed space is formed between the liquid crystal panel 502 and the front light module 51 and between the front light module 51 and the second housing 504. . Among them, the first frame-shaped member 508 is made of a plastic material with high compression ratio. By providing a first frame-shaped member 508 on the liquid crystal panel 502, the liquid crystal panel 502 is originally located as shown in FIG. 2 A gap 220 with the light guide plate 512 forms a closed space. In this way, the effect of preventing dust or foreign objects from entering the visible area of the liquid crystal panel 402 can be achieved.

In addition, the second frame member 5 1 0 is made of a plastic material with a high compression ratio. The second frame structure is tilted on the light guide plate 512, so that the original cost of the structure is located as shown in FIG. 2 A gap 222 between the light guide plate 512 and the touch panel 506 forms a closed space. In this way, the effect of preventing dust or foreign objects from entering the light guide plate 5 1 2 can be achieved.

556140 V. Description of the invention (9) As mentioned above, the first frame-shaped member 508 is provided between the liquid crystal panel 502 and the light plate 512, and the second frame-shaped member 51 is provided in the first casing 5 〇4, and light plate 512, so the liquid crystal panel 502 and the light guide plate 512 and touch, the plate 506 and the light guide plate 512 will form a sealed space to prevent dust or foreign matter from entering the liquid crystal panel 5. 2 The visible area of the light guide and the work of the light guide plate Η 2 =, because the above-mentioned first frame member 508 and the second are surface compression ratio plastic materials, the main name is the b10 series plate 512, and the two components are buffered and protected. The panel ... When the lead or the second case is thin, it is added from the second to the touch panel 5. Six pieces 510 have buffering capabilities, and j 1 & member 508 and the second frame structure are not subject to: force can protect the liquid crystal Panel 502 and light guide plate 512. In addition, the previous optical module 51 further includes an optical film and a diffusion sheet. Although the present invention has been used to limit the present invention by several, * 佃: Compared with the "example, the above is disclosed, but it is not the spirit and scope β, Still available ;;: The artist of this art will not be allowed to depart from the scope of protection of the present invention by attaching :: 2 and Run ·, so the scope of the patent application scope of the present invention 1 shall prevail.

0632-8273TW (n >AU91033; cat.ptd Page 12 556140 Brief description of the drawing 1 a is a schematic view of a conventional backlight LCD display FIG. 1 b is along the section line 1 of FIG. 1 a ~ I b 'cross-sectional view. FIG. 2 is a cross-sectional view of a conventional front-light-source type liquid crystal display. FIG. 3 is a cross-sectional view of a backlight-type liquid crystal display according to a first embodiment of the present invention. A cross-sectional view of a light source type liquid crystal display before the second embodiment of the present invention. FIG. 5 is a cross-sectional view of a light source type liquid crystal display before the third embodiment of the present invention. [Notation] 10 20 to a conventional touch-type liquid crystal display 1 02 202 302 402 502 ~ LCD panel 1 04 204 304 404 504 ~ First case 1 06 206 306 406 506 ~ Touch panel 110 310 ~ Optical film 1 1 2 2 1 2 3 1 2 4 1 2 5 1 2 to light guide plate 1 1 4 21 4 3 1 4 4 1 4 5 1 4 to reflective sheet 116 316 to backlight 1 1 8 2 1 8 3 1 8 4 1 8 5 1 8 to second case 216 to light source 30 40 50 ~ Touch LCD of the present invention 308 408 ~ Frame type member

0632-8273TWF (n); AU91033; cat.ptd Page 13 556140 Brief description of drawings 31 ~ Backlight module 508 ~ First frame member 41 51 ~ Front light module 416 516 ~ Front light source 510 ~ Second frame type Member 0632-8273TWF (η); AU91033; ca tp td p. 14

Claims (1)

556140 ι · A touch-sensitive liquid crystal display, comprising: a backlight module; a liquid crystal panel disposed on the backlight module; a frame-shaped member disposed on the periphery of the display area of the liquid crystal panel; a first casing Is arranged on the frame-shaped member; the body + 1 second body is arranged on the back of the backlight module, and is connected with the first case σ 'to the one where the liquid crystal panel and the backlight module are engaged A second case is enclosed therein; and, a touch panel adjacent to the first case is disposed above the liquid crystal panel, and a door ΐΓ ϊ makes the liquid crystal panel and the touch panel from the frame-shaped member. A closed space is formed between them. Failure 2. According to the touch-type liquid crystal display described in item 丨 of the patent application scope, the material of the frame member is made of high compression ratio plastic material. 3. The touch-sensitive liquid crystal display according to item 丨 of the patent application scope, wherein the backlight module includes: a backlight source; a light guide plate adjacent to the backlight source; and a reflective sheet connected to the backlight source and The light guide plates abut. The light-emitting module in the touch-type liquid crystal display described in item 3 of the patent scope further includes an optical film. Touch-type liquid crystal display 5. As described in item 4 of the patent application scope, the backlight module further includes a diffusion sheet. 6 · —A touch-sensitive LCD, which includes ·· 556140 6. The scope of patent application: a front light module; a liquid crystal panel; two first housings adjacent to the front light module; a body card holder first and second body, which are arranged on the back of the liquid crystal panel and are connected with the first A shell flute-two μs enables the liquid crystal panel and the front light module to be enclosed by the first coin and the salt body that are engaged; a frame-shaped member disposed around the display of the liquid crystal panel; and a body neighbor The contact control surface & is disposed above the front light module and is in the first case f 'by the frame-shaped member so that a closed space is formed between the liquid crystal panel and the front light module <. 1 • The touch-type liquid crystal display according to item 6 of the scope of patent application, 'The frame member material is made of a high compression ratio plastic material. 8. The touch-sensitive liquid crystal display according to item 6 of the scope of patent application, wherein the front light module includes: a front light source; a light guide plate adjacent to the front light source; and a reflective sheet connected to the front light source and The light guide plates abut. 9. The touch-type liquid crystal display according to item 8 of the scope of patent application, wherein the front light module further includes an optical module. I 〇 The touch-type liquid crystal display according to item 9 of the scope of patent application, wherein the front light module further includes a diffusion sheet. II · A touch-sensitive liquid crystal display, comprising: a front light module; 0632-8273TWF (n); AU91033; cat.ptd Page 16 556140 ------Patent application scope-a liquid crystal panel; a first case, and the front light and a second case are set on the body card Closed so that the liquid crystal panel and the second casing are enclosed therein; a first frame-shaped member, a second frame-shaped member is disposed, and a touch panel is disposed adjacent to the body, wherein, by the The first, the first, and the front light module and the front enclosed space. 12 · As the first in the scope of the application for patent, where the first element of the 5th element type is adjacent to the module; the back of the liquid crystal panel and the first case and the front light module are engaged with the first display on the liquid crystal panel. Around; above the front light module between the first housing and the front light module, and two frame-shaped members with the first housing, so that one item is formed between the liquid crystal panel light module and the second housing The touch-sensitive liquid crystal display is made of a plastic material with a high compression ratio. 1 The touch-sensitive liquid crystal display according to item 11 of the patent application scope, wherein the front light module includes: a front light source; a guide The light plate is adjacent to the front light source; and a reflective sheet is adjacent to the front light source and the light guide plate. 1 4 · The touch-sensitive liquid crystal display according to item 13 of the scope of patent application ′, wherein the front light module further includes an optical film. 1 5 · Touch LCD as described in item 14 of patent application 0632-8273TW (n); AU91033; cat .ptd Buy 17 556140 6. The scope of patent application, where the front light module further includes a diffuser. Page 18 0632-8273TWF (n); AU91033; cat.ptd 1