TWI330736B - Liquid crystal display - Google Patents

Description

1330736 V. INSTRUCTION DESCRIPTION (i) [Technical field to which the invention pertains] 'Specially related to a ^' and thus enhanced liquid crystal display $ The present invention relates to a liquid crystal display liquid crystal display stomach which can prevent the brightness of a light source position shifter With the quality of the noodles.

[Prior Art], the figure shows a partial cross-sectional view of the liquid crystal display 100. The liquid helium display 1 〇 〇 is mainly composed of a backlight module i 〇 and a panel i i . It should be noted that, in addition to the above, the liquid crystal display 100 further includes other 7L members. The other elements are omitted for simplification of the drawings. The φ plate ^ is disposed on the backlight module 1 〇. The first drawing shows a partial enlarged view of the inside of the liquid crystal display. Referring to FIGS. 1 and 1 , the backlight module 1 includes a light source (LED) 12, a flexible circuit board (FPC) 14, a Ught guide plate 15, and a plurality of optical films. 16. A reflector 17, a masking eiement 18 & a frame, and the like. The light source 12 is connected to the flexible circuit board 14, and the flexible circuit board 14 provides the power and signals required by the light source 12. The shielding member 18 is disposed on the optical film layer 16 and the light source 12 to block part of the light from the light source 丨2. Since the shielding member 18 is mainly extended from above the optical film layer 16 to above the light source 12, there is a gap G1A between the panel 11 and the shielding member 18, and another gap G1B between the shielding member 18 and the flexible circuit board. 14, in the assembly process of the panel 11 and the backlight module 10, if the panel 11 and the backlight module 1 are

0632-A50283TWf(5.0) : AU0403061 ; Yuchia.ptd Page 6 1330736 V. INSTRUCTIONS (2) It is easy to make the flexible circuit board 4 move in the gap G1A and the gap G1B in the high temperature state after assembly or assembly. And attached to the panel 1 ′′ as shown in FIG. 1 c 〇 additionally “When the shielding member 18 is a viscous tape, the flexible circuit board y is adhered by the shielding member 18 , and the shielding member 18 is applied to the panel 11 The affinity is relatively low and it is easy to move in the direction of the panel 11. Therefore, the shield 18 sticks the flexible circuit board 14 to the light source 12 and is displaced toward the panel i ,, and the junction is as shown in Fig. 1C. > Since the light source 12 is offset in the direction of the panel ,, that is, the light source position 2 is not directly incident on the light guide plate 丨5, therefore, the light source 丨2 is generated, and the line L is only partially transmitted to the guide Light board〗 5, causing the backlight module 〇 整 ” J J J J * * * * * * * * * * * * * * * * * * * * 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 The light source position is offset, thereby enhancing the liquid crystal display: the present invention provides a liquid crystal display comprising a board, a shielding member and an implant; the backlight module has a surface system disposed on the backlight module; It is set on the panel and back: between the modulo = to locate and combine the panel and the backlight module; the placement is placed between the J and the backlight module, and is located above the light source to prevent the offset. Double-sided adhesive, single-sided adhesive or non-adhesive. linri 0632-A50283TOf(5.0) : AU0403061 ; Yuchia.ptd Page 7 V. Description of invention (3) Rubber sheet, a metal sheet or another, placed into the object Contains a dolphin The type of protective film has an adsorptivity. In a preferred embodiment, the shielding member is placed in the gap. 'There is a gap between the panels, ^, The thickness is substantially the same as the height of the gap. A soft thunder; 7 plates, a plurality of optical enamel layers are located at 2 俜 导 'guided parallel to the optical film layer' and the optical thin moon layer is located on the light guide plate; the flexible circuit兀*子厚月 is connected to the light source by the optical film 厗 μ μ 1 plate system; the shielding member 4 extends above the 尤 浔 浔 film layer to the soft 〒 1 optical film layer and the flexible circuit board, and the upper part of the board is used for In another preferred embodiment, the gap is placed in the gap, and between the I-light modules - and the backlight module further includes - Leading station: in the shielding: a flexible circuit board; the light guide plate is parallel to the wind complex optical film layer and the layer is located on the light guide plate; the flexible circuit is applied to the film layer, and the optical thin film is extended from above the optical film layer To the 敕^毛 connected to the light source, the shield is placed and placed Between the top of the circuit board and the surface, the placed object is located between the shield and the soft and 'shadowing member and the implant. The combination of the flexible circuit board is greater than the placement of the object. The invention further provides a liquid crystal display crying panel and a shielding member. The backlight module comprises a backlight module, a light source and a polarizer; 0632-A50283TWf (5.0); Al/0403061; Yuchia.ptd 1330736 V. INSTRUCTIONS (4) The plate system is disposed between the backs and is located in the group; wherein, the source is above the upper side. Moreover, the shielding cover comprises a glue and the same degree of polarization. The backlight is a flexible circuit board. The film layer is located between the conductive system and the optical film layer. - In order to make this obvious, the following details are given on the optical module. The shielding member is disposed on the light source, and the positioning light sheet is disposed between the panel and the backlight module and the bonding panel and the backlight molding member, and extends to the optical component to have double-sided adhesiveness and single-sided adhesiveness. Or not sticky. Cover or a rubber sheet. The thickness of the sheet substantially includes a light guide plate between the shield member and the panel; the light guide plate is parallel to the first plate; the flexible circuit board layer extends above the soft plastic circuit board, and the bit The above and other objects of the invention are characterized in that a preferred embodiment, a plurality of optical film layers and an optical film layer are optically thinned to the light source; above the shield circuit board, for the polarizer and the flexible circuit board. The features, advantages and advantages of the present invention can be further described in conjunction with the accompanying drawings. [Embodiment] The second embodiment of the first embodiment shows the liquid s bottle of the present invention. The external cross-sectional view of the ten nunnery day display 2 η η. Since the invention is based on the connection structure between the board and the backlight module of the master of the present invention, the summary of the liquid crystal display is partially displayed for the surface of the liquid crystal display, and the improvement is shown in FIG. Section part. 1330736 V. DESCRIPTION OF THE INVENTION (5) As shown in Fig. 2, 'the liquid crystal display 2' includes a backlight module and 2', a substrate 202 and a panel 21, and the panel 21 has an upper polarizer m. . The backlight module 20 has a light source 22, a light guide plate, a plurality of optical film layers 26, a reflection sheet 27, a flexible circuit, a masking element 201, and a frame (fra red) 23. The light guide plate is “parallel to the optical film layer 26, and the optical film layer 26 is located on the light guide plate. The flexible circuit board 24 is connected to the light source 22 to provide power and signal to the light source 22. The shield 201 is disposed on the panel 21 and the complex optical Between the film layers 26, the panel 21 and the backlight module 2 are positioned and bonded. In detail, the shielding member 201 extends from above the optical film layer 26 to above the flexible circuit board 24 for simultaneously positioning the optical The film layer 26 and the flexible circuit board 24 are located between the substrate 220 and the flexible circuit board 24. The substrate 2 is disposed between the panel 21 and the backlight module 20, and is located at the light source 2. 2, in order to prevent the position of the light source 22 from shifting. It is worth noting that there is a gap G2 between the shielding member 2〇1 and the panel 21, and the implant 20 2 is disposed in the gap g2. The thickness of 202 is substantially the same as the height of the gap g2. In the present embodiment, the implant 2 0 2 is a tape, a rubber sheet, a metal sheet or a release protective film. In this embodiment, Since the thickness of the insert 2〇2 is substantially the same as the gap G2 below the panel 2 1 H! is the same, therefore, the insert 2 〇 2 maintains the shield 201 and the flexible electric circuit board 24 in a fixed position, thereby preventing the position of the light source 22 from shifting, so that the light can be completely concentrated on the light guide plate 25, and the liquid crystal display can be improved. Overall brightness and picture quality.

0632-A50283TWf(5.〇); AU0403061; Yuchia.ptd Page 10 1330736 V. Invention Description (6) First Embodiment Part ί 3φΑ : :: 7 ίInvented in the second embodiment of the liquid crystal display 3〇0 The panel and the backlight mode are improved in the connection structure between the liquid crystal display and the local display only in the liquid crystal display 300, in the third section, such as the cross section of the display. ^ - ^ί2 Λ ^ "3〇0 ^ ^ ^ .. , 30 > Polarizer 38, and face; the fake panel 31 has an upper polarizer 38b, and the lower _光河3 system is disposed in the backlight module 30 on. The backlight module 30 has a chip 37, a light guide plate 35, a plurality of optical film layers 36, a reflective sheet 37, and a flexible circuit board 34, a 301 and a ^, a (.masking element)

Two busy frames (frame) 33. The light guide plate 35 is parallel to the optical film sound 36, and the optical film layer is privately attached to the V 70 plate 35. The flexible circuit board 34 is connected to the j source 32 to provide the power and signals required by the light source 32. The difference between the embodiment and the first embodiment is that the implant is disposed between the path board 34 and the shield 3G1. In other words, the shield member 301 has a gap G3 between the flexible circuit board 34 and the flexible circuit board 34 of the group 30, is placed in the 302 ^ 34 G3, and is adhered to the shield member 3〇1, or is attracted to the soft power in the present embodiment. The implant 302 is a tape, a rubber sheet, a metal sheet or a release protective film, and the bonding between the shielding member 301 and the implant 30/ is greater than the bonding of the insert 302 to the flexible circuit board 34. Sex. ° Because the implant 30 2 is disposed between the shield 301 and the flexible circuit board 34 ′ and the bonding between the shield 301 and the implant 322 is greater than the implant 3 0 2 for the flexible circuit board 34 Combination. Therefore, when assembling the process,

0632-A50283Tif(5.〇) ; AU0403061 ; Yuchia.ptd Page 11 1330736 V. Invention description (7) It can prevent light and thus improve the assembly failure or high temperature deformation of the right side, as shown in Fig. 3B, although the shielding member There is still a gap & Between the 301 and the panel 31, and the shielding member 3〇1 is bent toward the panel 31 in the gap A. At this time, the shielding member 3〇1 only adheres to the insertion member 302, and does not affect the softness. Circuit board 34 or light source 32. Therefore, the substrate 302 protects the flexible circuit board 34 from being offset by the shielding member 3〇1, so that the light can be completely integrated with the overall brightness and surface quality of the liquid crystal display. [THIRD EMBODIMENT] Fig. 4 is a cross-sectional view showing a third embodiment of the liquid crystal display device 4 of the present invention. Since the present invention is mainly directed to an improvement in the connection structure between the panel in the liquid crystal display 4 and the optical module, in Fig. 4, only a section of a corner of the liquid crystal display 40 is partially displayed. As shown in FIG. 4, the liquid crystal display 4 includes a backlight module 4A and a panel 41. The panel 41 has an upper polarizer 48a and a lower polarizer 48b. The backlight unit 40 has a light source 42, a light guide 45, a plurality of optical film layers 46, a reflection sheet 47 and a flexible circuit board 44, a masking element MO1 and a frame 43. The light guide plate 45 is parallel. The optical film layer 46 is located on the light guide & 45. The flexible circuit board 44 is connected to the light source 42 to provide the power and signal required by the light source 42. Further The shielding member 401 is disposed between the panel 41 and the plurality of optical film layers 46 and located above the light source 42 for positioning and bonding the panel 41 and the backlight module 40. In detail, the shielding member 401 is optically The upper portion of the film layer 46 extends above the flexible circuit board 44' and the light source 42 is connected to

0632-A50283TWf(5.0) ; AU0403061 ; Yuchia.ptd Page 12 ^30736 V. Inventive Description (8) The flexible circuit board 44 is located below the shield 401. The shield member 40 1 is used to position the optical film layer 46 and the flexible circuit board 44 between the lower polarizer and the flexible circuit board 44. In other words, the lower polarizer 48b is located between the panel 41 and the shield 401 and extends above the shield 401. Therefore, the lower polarizer 48b eliminates the gap between the panel 41 and the shield member 401. In summary, the structure of the present invention can be improved to prevent the light source from being deflected and deflected, so that the light can be completely concentrated on the light guide plate, thereby improving the overall brightness and picture quality of the liquid crystal. Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the invention, and the present invention may be modified and retouched without departing from the invention. The second component is subject to the definition of the patent application scope attached. side

0632-A50283TWf(5.0) AU0403061 ; Yuchia.ptd

Page 13 1330736 BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1A is a partial cross-sectional view showing a conventional liquid crystal display; FIG. 1B is a conventional partially enlarged liquid crystal display, and FIG. 1 C is a conventional liquid crystal display. FIG. 2 is a partial cross-sectional view showing the first embodiment of the liquid crystal display of the present invention; FIG. 3A is a diagram showing the first embodiment of the liquid crystal display of the present invention. FIG. 3B is a partial cross-sectional view showing a liquid crystal display of FIG. 3A when it is poorly assembled or deformed. FIG. 4 is a partial cross-sectional view showing a third embodiment of the liquid crystal display of the present invention. Explain that the leb symbol is the main ο IX 2 3 4 5 6 T one --- - 11 - - II, _ - 1 11 ΟΛ - oo 4- 4 5 6 7 2 2 2 3 4 5 6 7 3 3 3 3 3 3 Light source source optical optical back light frame soft light guide reverse mode electric board thin film road layer film 1 8 ~ shield; 28a, 28b, 38a, 38b, 48a, 48b~ polarizer

m 0632-A50283TWf(5.0) ; AU0403061 ; Yuchia.ptd Page 14 1330736 Schematic description 29 100 201 202 39, 49 ~ integrated circuit; , 2 0 0, 3 0 0, 4 0 0~ liquid crystal display, 3 0 1 , 4 0 1 ~ shielding member; 3 0 2 ~ placement;

Gi, G2, G3, G4 ~ gap %, H2 ~ height; L ~ light.

Page 15 0632-A50283TWf (5.0) ; AU0403061 : Yuchia.ptd

Claims (1)

1330736 Case No. 93136718 Amendment No. 6. Patent application scope 1. A liquid backlit mold panel with shield panels separated by the light source. 2. The fixture 3. The shield 4. The film is placed. 5. The release type 6. The insertion 7. The backlight board; the film layer is above the shielding fixture, and the shielding member is applied as a crystal display group, and is set at a set distance, and the juxtaposition is set. In the case of the patent, the patented patent double-sided adhesive device includes a light source I {ft·· 1!·•ΨΜ那日二2 the backlight module; between the panel and the backlight module, And the separation; and between the panel and the backlight module, and between the shielding member and the panel, when the light source is connected to prevent the light source from being displaced. The liquid crystal display according to Item 1, wherein the liquid crystal display according to Item 2 is intrinsic, one-sidedly viscous or non-tacky. The liquid crystal display of claim 2, wherein the application comprises, if the application comprises a tape, a sheet metal sheet or a release type protection, wherein the liquid crystal display protection film according to claim 4 has adsorption Sex. The liquid crystal display of claim 5, wherein the thickness of the object is substantially the same as the height of the gap. The liquid crystal display of claim 5, wherein the module further comprises a light guide plate and a plurality of optical film layers, and a flexible electric light guide plate is parallel to the optical film layers, and the optical thin films are located at the guide a flexible circuit board connected to the light source; a device extending from the upper of the optical film layers to the flexible circuit board Page 16 (1) 0736, No. 93136718, the scope of the patent application, is used to locate the optical film layers and the flexible circuit board between the implant and the flexible circuit board. 8. The liquid crystal display stomach according to claim 2, wherein the spacer has a gap with the backlight module, and the implant is in the gap and adheres to the shield. 9. The liquid crystal display of claim 8, wherein 1 = an optical mode, the group further comprises a light guide plate, a plurality of optical film layers, and a soft light guide plate is parallel to the optical film layers, and An optical layer is disposed on the light guide plate; the flexible circuit board is connected to the optically bright film layer to extend to the soft electricity and is used for positioning the optical film layer and the flexible circuit board - and located between the implant and the flexible circuit board. The liquid crystal display of claim 9, wherein the wide object is located between the shielding member and the flexible circuit board. The bonding between the flexible circuit 柘δΧ of the liquid crystal display device of the ninth aspect of the invention is greater than the bonding of the substrate to the flexible circuit board. 12 The liquid crystal display according to item 1 of the patent scope of the main work k θ 士甲甲清, wherein the panel has a low and a μ, ^ two yuyue 'the polarizer is located between the panel and the shielding member, = is the above fixing member to prevent the position of the light source from shifting. The liquid crystal display of the liquid crystal display according to claim 12, wherein the shielding member comprises a double-sided point, a single-sided adhesive or a non-sticking property, such as the liquid crystal display according to claim 12. The cover comprises a tape or a rubber sheet. Sixth medium - correct its Page 17 1330736 _ Case No. 9313R71R__Year ____g____ VI. Patent Application No. 1 5 - The liquid crystal display of claim 1 wherein the thickness of the polarizer is substantially the same as the shield and the panel The height between the gaps is the same. The liquid crystal display of the invention of claim 2, wherein the backlight module further comprises a light guide plate, a plurality of optical film layers and a flexible circuit board; the light guide plate is parallel to the optical film layers And the optical film layer is disposed on the light guide plate; the flexible circuit board is connected to the light source; the shielding member extends from above the optical thin layer to the upper of the flexible circuit board for positioning The optical film layers are disposed between the implant and the flexible circuit board. 1 7 · A liquid crystal display comprising: a backlight module 'having a light source; a panel disposed on the backlight module; a shielding member disposed between the panel and the backlight module, and the panel Separated by a predetermined distance; and an implant disposed between the shield and the light source 'and above the light source 'to make the light source not engage with the shield' when the shield moves toward the panel The light source does not move with it resulting in a positional shift. The liquid crystal display of claim i, wherein the shield comprises double-sided adhesive, single-sided adhesive or non-tacky. The liquid crystal display device of claim 7, wherein the insert comprises a tape, a sheet metal sheet or a release protective film. 2 0. The liquid crystal display of claim 19, wherein 1330736 Page 19