TW200523642A - Liquid crystal display module - Google Patents

Abstract

A liquid crystal display module comprises a back light module, a liquid crystal plate and a fixture, wherein the liquid crystal plate is located on the back light module, and the back light module and the liquid crystal plate are fixed by the fixture. The fixture comprises a frame, a front bezel and a back bezel. In addition, the liquid crystal plate and the back light module are carried on the frame. The frame, the back light module and the liquid crystal plate are fixed by the front bezel and the back bezel. Besides, the edge of the frame has many buckling pieces, the front bezel has many first buckling holes and the back bezel has many second buckling holes. And the first buckling holes and the second buckling holes are buckled with the corresponding buckling pieces.

Description

200523642 V. Description of the invention (1) Technical field to which the invention belongs The present invention relates to a liquid crystal display module (Liquid Crystal Display Module, LCM), and more particularly to a method capable of achieving space saving, maintaining appearance integrity and increasing Liquid crystal display module with overall strength. The rapid advancement of the prior art for the modern information society has mostly benefited from the leaps and bounds of semiconductor device f man-machine display devices. In terms of displays, Cathode Ray Tube (CRT) has been dominating the display market in recent years because of its excellent display quality and economy. However, for the environment where individuals operate most of the terminal / display devices on the table, or from the perspective of environmental protection, if the trend of energy saving is predicted, there are still many problems in the cause of cathode ray, indirect use and energy consumption. However, the requirements for light second, short, small, and low power consumption cannot effectively provide a solution. Therefore, liquid crystal displays (Liquid frystal display, LCD) with high image quality, good space utilization efficiency, low power consumption and no radiation have gradually become the mainstream of the market. A liquid crystal display (LCD) is mainly composed of a liquid crystal panel and a backlight module, wherein the liquid crystal display and a fixed structure constitute a liquid crystal display (Liquid Crystal DispUy Module, lcm). It is worthy of note, because the liquid crystal itself injected into the liquid crystal panel ~ Ϊ Ϊ; the surface light source provided by the module to illuminate the liquid crystal panel, in the liquid crystal; the effect of ’the backlight module can be seen from the above

12027twf.ptd Page 9 200523642 V. Description of the invention (2) The first diagram is a schematic diagram of a fixed structure of a conventional liquid crystal display module, and the second diagram is a cross-section of the I-I section line in the first diagram schematic diagram. Please refer to FIG. 1 and FIG. 2 at the same time. The liquid crystal display module 100 is composed of a backlight module 180, a liquid crystal panel 190, and a fixed structure 145. Among them, the backlight module The 180 series is composed of a light guide panel (Light Guide Panel, LGP) 110, a light source 120, and a reflection cover (Holdei 〇130). Among them, the light guide plate 110 has a light incident surface 112, a diffusion surface 114, and a light exit Surface 116. The reflection cover 130 is disposed beside the light incident surface Π2 of the light guide plate 110, and the light source 1 2 0 is disposed within the reflection cover 130. The light provided by the light source 1 2 0 can be transmitted by the light guide plate 1 1 0 The light incident surface 1 1 2 is incident on the light guide plate 110, and after being scattered and reflected by the diffusion surface 114 of the guide plate 110, it is emitted from the light exit surface 116. The role of the light guide plate 110 is to place the light source 120 on the light guide plate 110. The linear light emitted is converted into a type of surface light source to ensure that the LCD panel 1 90 obtains a surface light source with uniform brightness. As shown in FIG. 1, the reflection cover 130 is arranged beside the light source 120 and covers the light source 1 2 0 to focus the light emitted by the light source 1 2 0 and guide these light to the light guide plate 1 10 light incidence surface 112. The optical module 140 is arranged on the light exit surface of the light guide plate 1 1 0, which is used to improve the brightness performance of the backlight module 180. In addition, the reflection plate 3 The 5 series is arranged under the diffusion surface 114 of the light guide plate 110 to increase the light utilization rate of the backlight module 180. As shown in FIG. 1, the carrier 170 is used to carry the above-mentioned backlight module 180 and The liquid crystal panel 190, and the supporting frame 170 has a plurality of fastening members 154, and the fixing frame 150 has a plurality of second fastening holes (not shown) corresponding to the fastening members 5 and 4. The hole is fastened on the fastener 1 5 4 so that the bearing

12027twf.ptd Page 10 200523642 V. Description of the invention (3) The carrier 170 and the rear fixing frame 150 are fastened and fastened to each other, and the front fixing frame 1 6 0 has a plurality of first parts corresponding to the fasteners 1 5 4 The fastening holes 1 6 4 are in a position where the position of the first fastening hole 1 64 and the position of the second fastening hole are staggered from each other, and the first fastening hole 1 6 4 is fastened to the fastening member 1 5 4 Therefore, the supporting frame 170 and the front fixing frame 160 are fastened to each other in pairs. After that, the LCD panel 190, the backlight module 180, and the fixing structure 145 are locked together with screws, so that the structural fixing force of the original LCD display module 100 is more stable. It is worth noting that the fastening positions of the fastening members 1 54 and the first fastening holes 164 and the second fastening holes (not shown) are formed by a plurality of chip packages bonded to the liquid crystal panel. The position of the fasteners is determined, that is, the fastening positions of the fasteners 154, the first fastening holes 164 and the second fastening holes (not shown) correspond to each chip package. Under the premise that the fastening position must be placed between the bonding positions of these chip packages, plus the position of the first fastening hole 1 6 4 and the position of the second fastening hole must be staggered from each other. The number of the fastening holes 164 and the second fastening holes is limited, so that the fastening strength between the carrier 170 and the front fixing frame 160 and the rear fixing frame 150 is poor. In addition, an excessive number of fastening members and fastening holes may easily damage the overall appearance of the liquid crystal display module. SUMMARY OF THE INVENTION In view of this, the object of the present invention is to provide a liquid crystal display module (Liquid Crystal Display Module, LCM). The fixed structure of the liquid crystal display module can simultaneously achieve space saving, maintain appearance integrity and increase overall strength. .

12027twf.ptd Page 11 200523642 V. Description of the invention (4) In order to achieve the above object of the present invention, the present invention proposes a liquid crystal display module, which includes a backlight module, a liquid crystal panel and a fixed structure. Among them, the liquid crystal panel It is arranged above the backlight module, and the fixing structure fixes the backlight module and the liquid crystal panel. The fixing structure includes a carrier frame, a front fixing frame and a rear fixing frame, wherein the carrier frame carries the liquid crystal panel and the backlight module, and the front fixing frame and the rear fixing frame fix the carrier frame, the backlight module and the liquid crystal panel. Wherein, the edge of the carrier has a plurality of fastening members, the front fixing frame has a plurality of first fastening holes, and the rear fixing frame has a plurality of second fastening holes, and the plurality of first fastening holes and a plurality of second fastening holes The fastening holes are simultaneously engaged with the corresponding fasteners. According to a preferred embodiment of the present invention, the backlight module includes a light guide plate, a reflection cover, and a light source, wherein the light guide plate has a light incident surface, a diffusion surface, and a light exit surface, and the reflection cover is configured. The light source is located beside the light incident surface of the light guide plate, and the light source is arranged in the reflector. In addition, light sources include cold-cathode fluorescent tubes or light-emitting diode arrays. In addition, the backlight module further includes a reflecting plate, which is arranged under the diffusion surface of the light guide plate. According to a preferred embodiment of the present invention, the backlight module may also include a reflector and a plurality of light sources, wherein the plurality of light sources include a cold cathode fluorescent tube or a light emitting diode array. In addition, the liquid crystal display module It further includes at least one optical film disposed between the backlight module and the liquid crystal panel. According to a preferred embodiment of the present invention, the plurality of fasteners on the edge of the carrier frame includes a plurality of protruding structures, and the plurality of protruding structures protrude outward from the edge of the carrier frame. According to a preferred embodiment of the present invention, the

12027twf.ptd Page 12 200523642 V. Description of the invention (5) Multiple fasteners include multiple raised knots ^ The edges of the frame protrude inward and outward at the same time. This = evening, the raised structure is supported by the bearing on the edge of the carrier. Bu, the fasteners are integrated into one. Based on the above, the present invention adopts the following:-the fixing frame and the rear fixing frame :, the carrier, the front closing hole and the rear fixing 柩 靼-4 ^ 耩 is 耩 fixed The buckle of the first buckle of the frame is fastened, because the two can be 7: the two holes are simultaneously fastened with the corresponding frame of the corresponding carrier frame; the second frame, the front fixed frame and the rear fixed integrity. The strength while maintaining the appearance of the liquid crystal display module is complete. In order to make the present invention ten, a preferred embodiment is given below. The characteristics and advantages can be more clearly understood. The actual target example is described in detail in conjunction with the attached drawings. As shown in the first embodiment, FIG. 3 is a ten-tone picture of the fixed structure of the module according to the present invention. ☆ A liquid crystal display of the Chu a embodiment. The cross-sectional sound diagram of the section line shows the I moxibustion diagram as a Π example in Figure 3. You Yue Pian-Song w Figure 5. Refer to Figures 3 and 4 at the same time in May. This implementation 20 and Λ Λ 2 0 0 is composed of a backlight module 280, a liquid crystal panel, 疋 ,, and 'Q structure 2 4 5', in which the backlight module 2 8 〇 is, for example, a side-light type backlight module 280 or all the way down Backlight module 2 8 〇. When the backlight module 280 is a side-light type, the backlight module 280 is composed of a light guide panel (LGP) 210, a light source 220, and a reflector (Holder) 230. The light source 220 is, for example, a cold-cathode fluorescent tube or a light-emitting diode array, and the light source 220 is a linear light source. Of which light guide plate

12027twf.ptd Page 13 200523642 V. Description of the Invention (6) 210 has a light incident surface 212, a diffusion surface 214, and a light exit surface 216. The light provided by the light source 2 2 0 can be incident on the light guide plate 210 from the light incident surface 21 2 of the light guide plate 21 0, and then scattered and reflected by the diffusion surface 214 of the light guide plate 210, and then emitted from the light exit surface 216. Therefore, the role of the light guide plate 21 is to convert the linear light emitted by the light source 220 into a surface light source type, so as to ensure that the liquid crystal panel 290 obtains light with uniform brightness. In addition, the reflection plate 235 is disposed under the diffusion surface 214 of the light guide plate 210 to prevent the light in the light guide plate 210 from being scattered by the diffusion surface 214, thereby improving the light utilization efficiency of the backlight module 280. When the backlight module 2 80 is a direct type, the backlight module 2 80 is composed of a plurality of light sources 220 and a reflection cover 230. The light source 2 2 0 is, for example, a linear cold cathode fluorescent lamp. Light tube or light emitting diode array. As shown in FIG. 4, the reflection cover 230 is arranged beside the light source 220 and covers the light source 220 to concentrate the light emitted by the light source 220 and guide the light to the light incident surface 212 of the light guide plate 210. . The optical module 240 is disposed between the backlight module 280 and the liquid crystal panel 290 to improve the brightness and uniformity performance of the backlight module 280. As shown in FIG. 4, the carrier 270 is for carrying the backlight module 280 and the liquid crystal panel 290, and the edge of the carrier 270 has a plurality of fasteners 254. The fasteners 2 5 4 include a plurality of protrusions Structure, these raised structures protrude outward from the edge of the carrier 270. Then, the fixing frame 250 has a plurality of second fastening holes 2 66 corresponding to the fastening members 2 54, and the second fastening holes 2 6 6 are fastened to the fastening members 254 ′. The front fixing frame 260 has a plurality of corresponding The first fastening hole 2 6 4 ′ in the fastening member 254 and the first fastening hole 2 6 4 are fastened in the fastening member 2 5 4

200523642 V. Description of the invention (7) The first fastening hole 264 and the first fastening hole 266 are simultaneously engaged with the corresponding fasteners 254, that is, the carrier 270, the front fixing frame 260, and the rear fixing frame. The two three are fastened to each other. After that, the LCD panel 2 90, the backlight module 280, and the fixing structure 245 are locked together with screws to make the structural fixing force of the original LCD module 100 more stable. As for the positions where the carrier 270, the front fixing frame 260, and the rear fixing frame 250 are fastened with each other, in this embodiment, the second fastening hole 2 6 6 is first fastened with the fastening member 2 5 4, and then, the first fastening The engaging holes 2 6 4 are connected to the second fastening hole 266, and the two are engaged with the fastening member 254 together. In addition, the positions where the carrier 270, the front fixing frame 260, and the rear fixing frame 250 are fastened to each other may also be that the first fastening hole 264 is first engaged with the fastening member 254, and then the second fastening hole 266 is then connected. On the first fastening hole 264, the two are then fastened together with the fastening member 254, wherein the fastening member 254 is integrally formed on the edge of the carrier 27. Second Embodiment_ FIG. 5 is a schematic diagram of a fixing structure of a liquid crystal display module according to a second embodiment of the present invention, and FIG. 6 is a cross-sectional diagram of the III-I line in FIG. 5. Please refer to FIG. 5 and FIG. 6. The liquid crystal display module 2000 of this embodiment is composed of a backlight module 280, a liquid crystal panel 290, and a fixing structure 245. Among them, the backlight module is configured. 2 0 0. The structure of the liquid crystal panel 290 and the relative positions of its components are substantially the same as those of the first embodiment, but the main difference between this embodiment and the first embodiment is that the fastener 2 of the fixed structure 2 4 5 The structure of 5 4 and the relative positions of the first fastening holes 2 6 4 and the second fastening holes 2 6 6.

12027twf.ptd Page 15 200523642 V. Description of the invention (8) '' " ~ The fastener 254 on the edge of the carrier 270 of this embodiment includes a plurality of raised structures, and these raised structures are formed by the carrier 2 The edge of 70 is projected inward and outward at the same time. The second fastening hole 2 66 is fastened to the convex structure protruding inward of the fastening member 2 54, and the first fastening hole 2 6 4 is fastened outwardly of the fastening member 2 54. On the raised structure, it is worth noting that the first fastening holes 2 6 4 and the second fastening holes 2 6 6 are simultaneously fastened with the corresponding fasteners 2 5 4, and then the liquid crystal is screwed again. The panel 290, the backlight module 280 and the fixing structure 2 4 5 are locked together. In addition, the fastening positions of the carrier 270, the front fixing frame 26, and the rear fixing frame 250 may also be the second protruding holes 266 that are fastened to the outward protruding protrusions of the fastener 254. Structurally, the first fastening holes 2 6 4 are fastened to the inwardly protruding structure of the fastening member 254, and the first fastening holes μα and the second fastening holes 2 6 6 are simultaneously connected with The corresponding fasteners 2 5 4 are fastened. The fasteners 254 are integrally formed on the edge of the carrier 270. Third Embodiment Please refer to FIG. 7, which is a cross-sectional view of a liquid crystal display module according to a third embodiment of the present invention. The liquid crystal display module 30 () in this embodiment is composed of a backlight module 3 80, a liquid crystal panel 3 900, and a fixed structure 3 4 5. Among them, the backlight module 3 8 0 and the liquid crystal panel 3 are formed. The structure of the 90 and the relative positions of its components are the same as those of the first embodiment, and the main difference between this embodiment and the first embodiment is that the carrier 37 of the fixed structure 345 and the rear fixed frame 3 50 The buckle structure and its relative position. As shown in FIG. 7, the edge of the rear fixing frame 35 〇 has a plurality of fasteners 3 5 4 ′. These fasteners 3 5 4 include a plurality of protruding structures.

12027twf.ptd Page 16 200523642

The edges of the rear fixing frame 350 protrude outward. The carrier 3 has q and corresponds to the first fastening holes 3 6 6 and the second fastening holes 3 6 6 are fastened to the fastening members 354, and the front fixing frame 360 has A plurality of first fastening holes 3 6 4 corresponding to the ^ fastener 3 5 4, and the first fastening holes 3 6 4 are fastened on the ° _ combination piece 354 'wherein the first fastening hole 364 and the second The fastening holes 366 are the same as the corresponding fasteners 3 5 4. For the position where the carrier 370, the front fixing frame 360, and the rear fixing frame 35 are fastened to each other, in this embodiment, the second fastening hole M 6 is first fastened with the fastener = piece 3 5 4 and then the first fastener. The engaging hole 3 6 4 is connected to the second fastening hole 3 $ and is fastened with the fastening member 354 together. In addition, the position where the bearing frame 370, the front fixing Xingli 3 60 and the rear fixing frame 3 5 0 are fastened to each other can also be the third fastening hole 3 64 and the fastening member 3 5 4 first, and then the first The two fastening holes 366 are known again on the first fastening hole 3 64 and are engaged with the fastening member 3 54 together, wherein the fastening member 354 is integrally formed on the edge of the rear fixing frame 35 °. " Fourth Practical Example Please refer to FIG. 8, which is a cross-sectional view of a liquid crystal display module according to a fourth embodiment of the present invention. The liquid crystal display module 300 in this embodiment is composed of a backlight module 3 80, a liquid crystal panel 3 90, and a fixed structure 34 5 ', wherein the structure of the backlight module 3 8 0 and the liquid crystal panel 3 9 0 is formed. The relative position between the components and the components is the same as that of the third embodiment, and the main difference between this embodiment and the third embodiment lies in the structure of the fastening member 3 54 of the fixed structure 34 5 and the first fastening hole 3 The relative positions of 6 4 and the second fastening holes 3 6 6. After this embodiment, the fastening member 3 54 on the edge of the fixing frame 3 50 includes a plurality of protruding structures, and these protruding structures are simultaneously inward from the edges of the rear fixing frame 3 50

Page 17 200523642 V. Description of the invention (ίο) and protruding outward. The second fastening hole 366 is fastened to the protruding structure protruding inward of the fastening member 354, and the first fastening hole 3 6 4 is fastened outward to the protruding member 3 5 4 In terms of the raised structure, it is worth noting that the first fastening holes 3 6 4 and the second fastening holes 3 6 6 are simultaneously fastened with the corresponding fasteners 3 5 4, and then the LCD panel is screwed again. 390, the backlight module 380 and the fixing structure 345 are locked together. In addition, the fastening positions of the carrier 370, the front fixing frame 360, and the rear fixing frame 350 may also be that the second fastening holes 3 6 6 are buckled outwardly from the protrusions 3 5 4 of the fasteners. Structurally, the first fastening holes 3 64 are fastened to the inwardly protruding structures of the fastening members 354, and the first fastening holes 364 and the second fastening holes 3 6 6 are corresponding to the corresponding The fasteners 3, 5 and 4 are fastened. The fasteners 354 are integrally formed on the edge of the rear fixing frame 350. To sum up, the liquid crystal display module of the present invention fixes the backlight module and the liquid crystal panel by the fastening mechanism of the fixing frame, the front fixing frame and the rear fixing frame. The supporting frame and the front fixing frame The fastening mechanism of the rear fixing frame is simple and integrally formed, and can be fixed by being fitted with each other. The fastening mechanism of the fixing structure of the present invention is such that the two fastening holes are simultaneously engaged with the corresponding fasteners. Pieces buckle. It is worth noting that the two fastening holes of the fastening mechanism of the fixed structure of the present invention are simultaneously engaged with the corresponding fasteners. Compared with the fastening mechanism of the conventional fixed structure, the two fastening mechanisms The number of holes and the fasteners are two and two respectively. The number of fasteners of the fastening mechanism of the fixed structure of the present invention can be greatly reduced. Therefore, the number of fastening positions of the liquid crystal panel used in the present invention, Can also be greatly reduced, so the appearance of the LCD module can be kept intact

12027twf.ptd Page 18 200523642 V. Description of Invention (11). In addition, in the fastening mechanism of the fixing structure of the present invention, the manner in which the two fastening holes are simultaneously engaged with the corresponding fasteners will increase the fastening strength between the carrier frame, the front fixing frame, and the rear fixing frame. . Although the present invention has been disclosed in the preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some modifications and retouching without departing from the spirit and scope of the present invention. Therefore, the present invention The scope of protection shall be determined by the scope of the attached patent application.

12027twf.ptd Page 19 200523642 Brief description of the drawing The first drawing is not an illustration of the fixed structure of the conventional LCD display module. FIG. 2 is a schematic cross-sectional view taken along the line I -1 in FIG. 1. FIG. 3 is a schematic diagram showing a fixed structure of a liquid crystal display module according to a first embodiment of the present invention. FIG. 4 is a schematic cross-sectional view of the Π-Π section line in FIG. 3. FIG. 5 is a schematic diagram showing a fixed structure of a liquid crystal display module according to a second embodiment of the present invention. FIG. 6 is a schematic cross-sectional view of the III-III line in FIG. 5. FIG. 7 is a cross-sectional view of a liquid crystal display module according to a third embodiment of the present invention. FIG. 8 is a cross-sectional view of a liquid crystal display module according to a fourth embodiment of the present invention. [Illustration of Graphical Symbols] 1 0 0, 2 0 0, 3 0 0: liquid crystal display module 1 1 0, 2 1 0, 3 1 0: light guide plate 112, 212, 312: light incident surface 1 14, 214, 314: Diffusion surfaces 116, 216, 316: Light emitting surfaces 1 2 0, 2 2 0, 3 2 0: Light source 1 30, 2 3 0, 3 30: Reflective covers 135, 235, 335: Reflective plates 140, 240, 340: Optical film 1 4 5, 2, 4 5, 3 4 5

12027twf.ptd Page 20 200523642 Brief description of the drawings 150, 250, 350: Rear fixing frame 1 54, 2 54, 3 54 · Fasteners 160, 260, 360: Front fixing frame 1 64, 2 64, 3 64 : The first fastening holes 170, 270, 370: The carrier 1 80, 2 8 0, 3 8 0: The backlight module 1 90, 2 9 0, 3 9 0: The LCD panel 266, 366: The second buckle Hole

12027twf.ptd Page 21

Claims (1)

200523642 VI. Application for patent scope 1. A liquid crystal display module comprising: a backlight module; a liquid crystal panel disposed above the backlight module; and a fixing structure for fixing the backlight module to the liquid crystal panel, The fixing structure includes a supporting frame, a front fixing frame, and a rear fixing frame. The supporting frame carries the liquid crystal panel and the backlight module, and the front fixing frame and the rear fixing frame comprise the carrying frame, the The backlight module and the LCD panel are fixed, wherein the edge of the carrier has a plurality of fastening members, the front fixing frame has a plurality of first fastening holes, and the rear fixing frame has a plurality of second fastening holes, and The first fastening holes and the second fastening holes are simultaneously engaged with the corresponding fasteners. 2. The liquid crystal display module according to item 1 of the scope of patent application, wherein the backlight module includes: a light guide plate having a light incident surface, a diffusion surface, and a light exit surface; a reflective cover, The light guide plate is arranged beside the light incident surface; and a light source is arranged in the reflection cover. 3. The liquid crystal display module according to item 2 of the scope of patent application, wherein the light source includes one of a cold cathode fluorescent lamp tube and a light emitting diode array-〇4. The liquid crystal display module, wherein the backlight module further includes a reflection plate disposed under the diffusion surface of the light guide plate. 5 · The liquid crystal display module described in item 1 of the scope of patent application, wherein 12027twf.ptd Page 22 200523642 6. Scope of patent application The backlight module includes: a reflector; and a plurality of light sources. 6. The liquid crystal display module according to item 5 in the scope of patent application, wherein the light source includes one of a cold cathode fluorescent lamp tube and a light emitting diode array--〇7. The liquid crystal display module further includes at least one optical film disposed between the backlight module and the liquid crystal panel. 8 · The liquid crystal display module according to item 1 of the scope of patent application, wherein the fasteners on the edge of the carrier include a plurality of raised structures, and the raised structures are outward from the edge of the carrier Protruding. 9. The liquid crystal display module according to item 1 of the scope of patent application, wherein the fasteners on the edge of the carrier frame include a plurality of convex structures, and the convex structures are simultaneously directed from the edge of the carrier frame. Protrudes inside and out. 10. The liquid crystal display module according to item 1 of the scope of patent application, wherein the fasteners are integrally formed on an edge of the carrier. 1 1. A liquid crystal display module comprising: a backlight module; a liquid crystal panel disposed above the backlight module; and a fixing structure for fixing the backlight module and the liquid crystal panel, the fixing structure includes a A carrier frame, a front fixed frame, and a rear fixed frame, the carrier frame carries the liquid crystal panel and the backlight module, and the front fixed frame and the rear fixed frame are the carrier frame, the backlight module, and the 12027twf.ptd Page 23 200523642 VI. Patent application scope LCD panel fixing, wherein the edge of the rear fixing frame has a plurality of fasteners, the carrier has a plurality of first fastening holes, and the front fixing frame has a plurality of The second fastening holes, and the first fastening holes and the second fastening holes are simultaneously engaged with the corresponding fasteners. 1 2. The liquid crystal display module according to item 11 of the scope of patent application, wherein the backlight module includes: a light guide plate having a light incident surface, a diffusion surface, and a light exit surface, and a reflection A cover is arranged beside the light incident surface of the light guide plate; and a light source is arranged inside the reflecting cover. 1 3. The liquid crystal display module according to item 12 of the scope of patent application, wherein the light source includes one of a cold cathode fluorescent lamp tube and a light emitting diode array 4. As described in item 12 of the scope of patent application In the liquid crystal display module described above, the backlight module further includes a reflective plate disposed under the diffusion surface of the light guide plate. 15. The liquid crystal display module according to item 11 of the scope of patent application, wherein the backlight module includes: a reflective cover; and a plurality of light sources. 1 6. The liquid crystal display module according to item 15 in the scope of patent application, wherein the light source includes one of a cold cathode fluorescent lamp tube and a light emitting diode array 7. 7. According to item 15 in the scope of patent application The LCD module described, more 12027twf.ptd Page 24 200523642 12027twf.ptd Page 25