TWI376543B - Fixing mechanism and a display device - Google Patents

Description

1376543 补充Please add, amend the date: July 20, 101. Nine, invention description: . [Technical field of the invention], the present invention relates to a fixing mechanism and a display device, especially a power converter' (inverter) The protective cover and the back plate are a fixing mechanism that is combined with a screwless fastening method, and a display device having the fixing mechanism. [Prior Art] In recent years, liquid crystal displays (LCDs) have been widely used in electronic products due to their characteristics of lightness, thinness, and low power consumption, such as laptop computers, digital cameras, and technical shirts. However, the liquid crystal display panel (LCDPanel) of the liquid crystal display device itself is not capable of emitting light, but the light source is provided by the backlight module (Backlight Module), and the liquid crystal display panel can display the image normally, so the backlight module has become the key of the liquid crystal display device. One of the components. Such as large-size liquid crystal displays, such as monitors, LCD TVs, etc., mainly using Cold Cathode Fluorescent Lamps (CCFLs) as light sources, because cold cathode fluorescent lamps have electrical and optical properties, stability and longevity. Long, shock-resistant, impact-resistant, etc., so cold cathode fluorescent lamps are the most suitable light source for large-size backlight modules. In the backlight module, a converter (Inverter) is usually used to convert a DC voltage signal into a high-frequency high-voltage pulse for illuminating a cold cathode fluorescent lamp in the backlight module to provide the brightness required for the liquid crystal display. . ^ In the prior art, the converter is arranged in a protective cover, and then the 5 vine cover is placed on the bottom surface of the back panel of the backlight module by means of screw locking, thereby fixing the converter on the backlight module. And the protective cover can be protected by the protective cover of the unicorn lock _ way, there are many defects, for example: the screw locking method will cause low production efficiency; and the large demand of screws will cause cost; Inconvenience; when the assembly is completed, there will be a risk of the screws falling off and the whole mechanism will be unstable. What is more, in the subsequent inspection process, if problems are found, it will inevitably require rework and repair. Open, __ remove the screw to the sample will cause a lot of inconvenience to the maintenance. Therefore, the 'backlight module _ fixed mechanism can safely bond the protective cover to the f-board, and the money and (4) cover and back plate _ 魄 and disassembly, will seriously improve the product rate and 5 1376543 application for supplement, amendment Date: July 20, 101 to overcome: ===fixing mechanism and _ solid_ display device, [invention] The method is::: _ structure, which uses a screw-free locking dn Assembling and disassembling, improving assembly efficiency, and reducing production costs reduce the mechanical stability of the entire backlight module. The purpose of the money is to provide the display device, which has the characteristics of strong structural stability, convenient assembly and disassembly, high production efficiency and low cost.

According to the above object of the present invention, the present invention provides a structure comprising: a backing plate = a protective cover. The backboard includes a bottom surface and at least one snap arm, the snap arm is disposed on the back panel, and the snap arm includes a fixing bump. The fixing protrusion includes a guiding portion and a fixing end. The guiding portion includes a wide portion and the width of the intersection of the wide portion and the fixed end surface is a maximum width of the guiding portion mm on the bottom surface of the back plate. The 彳 key cover comprises four side walls and a substrate 'these tanks are perpendicularly connected to each other, and is enclosed with the silk plate to constitute a accommodating space, and the protective cover further comprises at least a turn, a closed plate and at least one Bu elastic fixing plate has a

^ Hole, the buttonhole system corresponds to the through hole in the vertical direction, and the width of the buttonhole is smaller than the width of the wide portion of the guiding portion. E) The fixed end of the fixed bump is pressed against the elastic side plate. According to the embodiment of the invention, the opening plate is provided adjacent to the button hole. According to a preferred embodiment of the present invention, the guiding portion of the fixing protrusion has a narrow portion, and the width of the through hole on the protective cover is greater than or equal to the width of the wide portion of the fixing protrusion, and the width of the button hole is Greater than or equal to the width of the narrow portion of the fixed bump. According to the above object of the present invention, the present invention further provides a display device comprising: a backlight module k and a display panel mounted above the backlight module. The backlight module comprises a backlight, a reflector, a diffuser, a backboard, a converter and a protective cover, wherein the converter is fixed on a bottom surface of the backboard by the protective cover, The back panel includes at least one snap arm, and the buckle 1373543 is added and corrected. The date is July 20, 2011. The mating arm has a 岐-bump. The gm block includes a guide, and the guide portion and the fixed end face portion include a wide portion, and the width at which the wide portion meets the fixed end face is the maximum width of the guide portion. The protective cover is fixed on the silk surface of the backboard, and the protective cover comprises 'four side walls and ―, the relays are mutually connected to each other, and are co-arranged with the silk plate to form a accommodating space. The protective cover It also includes at least one elastic fixing plate and at least one through hole. The elastic fixing plate has a button hole, and the button hole system corresponds to the through hole in a vertical direction. The width of the button hole is smaller than the width of the wide portion of the guiding portion, and the fixing end surface of the fixing protrusion is offset on the elastic fixing plate. . Compared with the prior art of the present invention, the fixing mechanism of the present invention is designed on the protective cover at least - the elastic plate and the at least - button hole, and at least - the card is disposed on the back plate, and the buckle arm passes through the buckle The holes are dusted against the elastic fixing plate so that the protective cover can be easily coupled to the back plate. At the same time, the binding surface (4) exists, which avoids the loose end or the tightness of the fixing end surface of the snap arm due to the tolerance. In order to make the above description of the present invention more obvious and understandable, the preferred embodiments are described below, and the detailed description is given below with reference to the following drawings: [Embodiment] d-month attached drawing, household reading example . The directional terms mentioned in the present invention, such as "upper", "lower", "front", "rear", "right", "top", "bottom", etc., are merely directions in which additional drawings are referred. Therefore, the directional terminology used is ribbed and the invention is understood, and the invention is recorded. In the following, the actual patch is shown in the _ towel, _ part _ mark. The first embodiment of the fixing mechanism of the present invention shown in Fig. 5 is used for fixing a protective sheet 3 on the bottom surface 1 of a Yankee 1 and placing it on the surface of the back sheet 1. The upper snap arm 2 is provided with a flexible fixing plate 38 disposed on the protective cover 3: a through hole 37 on the retaining plate 3

B picture is this simple - delicate __ (four) == L 7 application supplementary, date of revision: July 20, 2010 for the first hair: the through hole 37 of the fixed mechanism of the embodiment is formed in the _ gorge The machine is a magnified schematic view of the structure of the structure of the 3 knots of the knots; the third map is the sun: the === =:_ cover 3 by the solid two structure of the first embodiment of the present invention, ::== Schematic diagram of the structure on the bottom surface 10. Photographs - A ® and - B ® Qing, on her 1 (wire) (1) are provided with a plurality of = arm 2, the height of the flap arm 2 is segmented, each - the buckle f 2 contains a set = Γ fixed A bump 22 in which the end 2 is connected. It is fixed on the backboard 1; the end 2 & 2Q extends perpendicularly to the backboard 1; the fixing lug 22 is formed on the fixture 1 and has a guiding portion 23 and a fixed end surface. 24. According to the visibility of the guiding portion 23, the crotch portion 23 has a maximum width of the narrow portion 23Q and the "== guiding portion 23. In the size design, the guiding portion ί i is narrower than two: 2 is small: as shown in the second B, the width W3 of the through hole 37 on the protective cover 3, the width W2 of the current 230 is smaller than Or equal to the width of the fastening hole 38〇 of the elastic fixing as shown in FIG. B; and the width W of the wide portion 232 of the guiding portion a is smaller or special for protection as shown in FIG. The width W of the through hole 37 in the cover 3 is larger than the width of the button hole 38 on the elastic fixing plate 38 as shown in Fig. 2B. Thereby, the narrow portion 23 of the guiding portion 23 can guide the wide portion 232 to sequentially pass through the through hole π and the buckle hole, and the wide portion 232 of the guiding portion 23 can prevent the locking arm 2 from the protective cover 3 Pull out in the buttonhole. The details of the narrow part =, the wide part plus the through hole π and the button hole will be further analyzed below. In the present embodiment, the fixed end face % is the lower surface of the wide portion of the guide portion ,, which is perpendicular to the snap arm 2 and parallel to the back plate i. As shown in the fifth figure, after the wide portion 232 of the guiding portion 23 passes through the buttonhole %◦ under the guidance of the narrow portion 23〇, the fixed end face 2 is “on the elastic fixing plate 38” to ensure the present invention. The reliability of the fixed mechanism. Detailed details of the fixing method and fixing process are described later.补充Please add, amend the date: July 20th, in order to be able to understand the structure of the solution - the f-fucking f 2, the specific shape to describe its structure. As shown in Figure-B, each of the snap arms 2 has a straightening surface 25 and a second vertical surface 26, wherein the „g straight surface 25 is flat-faced and perpendicular to the backing plate and second The vertical surface 26 and the first straight surface are also perpendicular to the back panel, but the locking arm 2 is fixed on the second squad 26, and the guiding portion 23 of the projection 22 is a slant or fox. The surface extends from the top end of the second cum straight surface % away from the second vertical surface 26. Referring to the first and second drawings, in the first embodiment, the cards are disposed on the surface. The bottom surface of the backing plate is H), and every two buckles f 2 are formed - right: and each of the arms 2 is opposite to sulfur. In detail, the 't-th in each pair of buckles f 2 The surface b faces each other, and the second straight surfaces 26 of the two latch arms 2 are opposite each other. Therefore, the fixed cities 22 of the pair of two latch arms 2 of the first embodiment are all trees. Therefore, the disassembly can be facilitated (described in detail later). In the embodiment, the buckle f2g is formed to form a back plate 12 for receiving-converting H 4 , such as the fourth on the back. On the bottom surface 1G of the back plate 1 of the board space 12 A plurality of isolation ports are provided for isolating the converter 4 and the back plate i. The protective cover 3 shown by the second A diagram and the third A_ includes: four side walls 3 (), 3 ι, ^, 33 and - The side walls 30, 3, 32, 33 are perpendicularly connected to each other and are coextensive with the substrate 34 to form a receiving space 35 for housing the converter* (reference numeral * can be seen in the fourth figure) The plurality of venting holes are provided on the substrate 34. The protective cover 3 is also provided with a plurality of aligning blocks 36. The block 36 is interspersed with the remaining space % 峨 along the Chinese tilting cover 3 - the side wall 31 or the side wall 33 Moreover, each of the alignment blocks 36 has an inner upper surface 36〇 facing the bottom surface 1背 of the backing plate i and an outer bottom surface π2 away from the bottom surface 1〇 of the backing plate i (refer to the third reference numeral 362 As shown in FIG. 2A and FIG. 2B, the through hole 37 of the fixing mechanism of the first embodiment of the present invention is formed on the alignment block 36 of the protective cover 3 and vertically penetrates The inner upper surface 360 and the outer woven surface 362 of the alignment block % (reference numeral 362 can be referred to as shown in the third B.) The width W3 of each of the through holes p is greater than or equal to the width of the corresponding fixed bump 22 Width - 1376543 Date of application for supplement, amendment: July 20, 101

Referring to FIG. 2A and FIG. 2B, the elastic fixing plate 38 of the fixing mechanism according to the first embodiment of the present invention is formed on the protective file 3, and each elastic fixing plate 38 is associated with the corresponding alignment block. The outer bottom surface 362 of 36 is parallel and forms a space 39 between the elastic retaining plate 38 and the outer bottom surface 362 of the counter block %. A fastening hole 38 is formed in each of the elastic fixing plates 38, and each of the buckles 380 corresponds to the corresponding through hole 37 in a vertical direction. Since the elastic fixing plate 38 is in the form of a thin plate, when the buckle hole 380 encounters the guiding portion 23 of the locking arm 2, the fastening hole 38 can be slightly expanded and deformed, thereby enabling the guiding portion 23 to pass through the buckle. Hole 380. Specifically, in the dimension setting s, the width W4 of the buttonhole 380 is smaller than the width W3 of the through hole 37, and the width of the buttonhole 380 is also smaller than the maximum width of the guiding portion η of the latching arm 2 (ie, the wide portion) The width of the η2 is the width, but the width W4 of the buttonhole 380 is greater than or equal to the width of the narrow portion 23 of the fixed projection 22. As shown in the fifth figure, the protective cover 3 of the present invention is guided by the guiding portion 23 of the latching arm 2 and the deformation of the buttonhole 380, so that the fixing protrusion 22 of the latching arm 2 passes through the buttonhole. After 38 ,, and the fixed end surface 24 can be abutted on the elastic fixing plate 38, thereby bonding the protective cover 3 to the back plate, i, = the converter 4 previously placed in the back plate space 12 (as shown in the fourth figure) (shown) will be pressed by the inner upper surface 36 of the alignment block 36 inside the protective cover 3 so that the converter 4 is clamped to the bottom surface UK of the backing plate 1 or the spacer) and the alignment block 36 between the inner upper surface.

In addition, as shown in FIG. 3B, a opening 382 adjacent to the above-mentioned buttonhole 380 is further disposed on each of the elastic fixing plates 5% to enhance the elasticity of the elastic fixing plate 38 and provide deformation required for deformation of the buttonhole. Space, thereby improving the deformability of the buttonhole 380. In the first-exercise shot, the present day is set with a plurality of snap arms 2, a plurality of pass=7, a plurality (four) abutment plate 38, and a general buttonhole, but cannot be set by the number of scale structures. Limited to the invention of the forest. The fixing mechanism of the hair type can also be _ a snap arm 2, - 37, - an elastic failure board 38 and a button hole alone, and can also realize a fixed protection cover in combination with a card type fixing mechanism without other screws. 3 good results. The first-implementation _ Lai Gai 3 is a simple ship combined with the backboard, =; purpose. Please refer to the fifth figure, wherein the backboard includes at least a pair of latching arms 28; the protective cover includes at least two latching tabs 38 corresponding to the _ pair of snaps f 28 [replenish and correct if needed to be removed g period: July 20, 101 by !^ The relationship between the pair of snap arms 28 is reversed, only f is to be clamped by the two fingers of the _ 贞 该Move to disengage from the buttonhole bundle 4' to release the locking relationship between the protective cover 3 and the backing plate 1. The snap arm 2 of the fixing mechanism of the second embodiment of the present invention shown in the following figure is provided with a schematic structural view on the surface 10; and the second embodiment of the present invention shown in the sixth drawing is fixed and constructed. The structure of the latching arm 2 is enlarged; the seventh riding frame shows the position of the latching arm 2' and the transition 114 of the second embodiment of the present invention; and the latching arm 2 of the second embodiment shown in the eighth figure And a schematic structural view of the elastic fixing plate mouth of the first embodiment on the bottom surface 1 of the moon plate 1. In the sixth embodiment and the sixth drawing, in the second embodiment, a plurality of latching arms 2 are formed on the bottom surface 1G of the knuckle 1 and each of the two latching arms 2 is formed in a pair. And the formation - is the opposite of ^2'. In detail, each of the first straight surface of the card is 2, and the second straightening surface 26 of the two latching arms 2 are facing each other. Therefore, the fixing (10) 22 of each of the pair of latching arms 2' of the first embodiment is opposite. The second embodiment is also capable of attaching the protective cover 3 to the backing plate 1 very well, thereby achieving the purpose of no screw locking. Secondly, the fixing mechanism of the present invention is not limited to the first embodiment and the second embodiment. In other embodiments, each pair of the latching arms can be set to be in the same direction, and = The purpose of the present invention is achieved by the opposite of __. Each of the pair of snap arms does not require material, and the space 12 is an axis, which is arranged in an axisymmetric manner, as long as it is disposed on both sides of the backboard space 12. The shape of the adjustment ^ is not limited to the description in the above embodiment, and the side structure of the display device 5 of the present invention shown in the ninth diagram can be performed according to the shape of the converter. - a display panel 7 mounted on the backlight module 6, a backlight module, providing a backlight for the display panel 7, the backlight module 6 comprising a plurality of lamps 6' an anti-hybrid/diffuser 62 - a backing plate 1, a converter 4 and a protective cover 3, wherein the converter 4 is fixed to the backing plate i by a protective cover 3, and the protective cover 3 is supplemented by the above-mentioned first embodiment 罔1376543 The revised period: July, July 2, the setting mechanism is combined with the backboard 1. Of course, the protective cover 3 can also be combined with the backboard by means of mechanism or other means. Lki) It is also necessary to explain that The fixing mechanism of the present invention is not limited to fixing the converter, and can also be used for fixing other components. For example, the display panel often requires one and has a turn (10) age, which is described in the invention of the invention. The invention has indeed met the requirements of the invention patent, and the invention has been The preferred embodiment is disclosed above, but it is not intended to limit the general knowledge of the present invention, and the scope of protection of the present invention is not limited thereto. The invention of the invention - the actual supplement or towel, please specialize in Cai Cai County to expose: the king. The advantages or characteristics of the thief. In addition, the summary part of the problem is only used to assist in the search of documents, not to limit this Scope of the invention. [A brief description of the drawing] Figure-A is the first-reality of the hair-setting mechanism, and the snap arm is provided with the structure on the surface of the i; the figure I. The figure is a first embodiment of the fixing mechanism of the present invention, and the structure of the snap arm is enlarged. The first embodiment of the present invention has a through hole formed on the middle side of the protective cover, and the first protective cover is formed. The first embodiment of the hair slinging mechanism is disposed on the inner cover, and the elastic fixing plate is formed on the outer side of the protective cover. The fourth figure of the war and the protective cover is the first embodiment of the hair slinging mechanism, and the buckle is The position of the tilting converter is off 12 1^76543 肀Please add,·Revised date: July 20, 101 The first embodiment of the fixing mechanism, the protective cover is coupled to the bottom surface of the backboard. /A ® is the second embodiment of the fixing mechanism of the present invention, and the snap arm is disposed on the bottom surface of the backboard Schematic diagram of the structure - The "B" is the second embodiment of the invention, and the structure of the snap arm is enlarged to indicate the sound garden. .~ The system shows the setting of the 8th fixed mechanism H, and the position of the buckle tilting converter is off.

The fifth figure is a schematic view of the structure on the surface of the present invention. The second actual compensation of the surface of the surface is 0, and the light structure is combined with the structure of the bottom surface of the backboard. - Figure 9 is a side view showing the structure of the display device of the present invention. [Description of main component symbols] Backplane 1 Backplane space 12 Buckle arm 2 ' 2, Free end 21 Guide section 23 Narrow section 230 First vertical surface. 25, 25' Pair of snap arms 28 Side walls 30, 31 Substrate 34 Alignment block 36 Outer bottom surface 362 Elastic fixing plate 38 Opening 382 Converter 4 Bottom surface 10 Connection end 20 Fixing lugs 22, 22, Fixed end face 24 Wide portion 232 Second vertical surface 26, 26, Protective cover 3 '33 accommodating space 35 inner upper surface 360 through hole 37 buttonhole 380 interval 39 display device 5

13 1376543 Application for supplement, revision period: July 20, 2011 Backlight Module 6 Lamp 60 Reflector 61 Diffuser 62 Display Panel 7 Width W1 > W2 ' W3 > W4

14

Claims (1)

补充Please add and amend the date: 101. July 20th, 10, the scope of application for patent: 1 · A fixed mechanism, including: the backboard 'includes - the bottom surface and at least one snap arm, the snap arm is set at On the two sides of the backboard, the snap arm includes a fixing protrusion, the fixing protrusion includes a guiding portion and a solid A surface, the guiding portion includes a wide portion, and the wide portion and the width portion The width of the end face intersection is the maximum width of the guiding portion; and the protective cover is fixed on the bottom surface of the back plate, the protective cover comprises four side walls and the base: the two side walls are perpendicularly connected to each other, and The substrate is enclosed to form a receiving space, and the covering cover further comprises at least a rotating fixing plate and at least one through hole, wherein the mixed fixing plate has a 4-hole 4 button hole system and the through hole is vertically oriented. Correspondingly, the width of the buckle hole is smaller than the width of the guide money portion, and the fixed end surface of the protrusion is reduced on the rotation fixing plate. 2. The fixing mechanism of claim 1, wherein the elastic fixing plate has an opening adjacent to the fastening hole. 3. The method as claimed in claim 3, wherein the latching arm further comprises: a connecting end fixed to the backboard; and a free end 'system, perpendicular to the connecting end The back plate is extended, and the mosquito bump is disposed on the free end. 4. The fixing mechanism of claim 1, wherein the fixed end face of the fixing projection is perpendicular to the snap arm and parallel to the back plate. The fixing mechanism of claim i, wherein the guiding portion of the fixing protrusion further comprises a narrow portion, the width of the through hole on the protective cover is greater than or equal to the width of the fixing protrusion The width of the part, the width of the head button is greater than the width of the solution part of the Guding bump. 15 1376543 肀Additional and revised period: July 20th. 6. If the coffee bar (10) coffee, the block is located in the fiber, the m pair of blocks contains - the inner gab product 4 and / next to the complement wall, the inner side of the alignment The surface faces the bottom surface of the backing plate. 7 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The bottom surface is parallel to the material side of the alignment block. 8. The fixing mechanism according to the application for the special machine, wherein the backboard comprises at least a pair of snap arms, and a sharp armor is placed on the back of the patent. , wherein each of the snap arms further comprises: - a - -me surface - straight to the f plate, and is a flat surface; and S a second 1: straight surface, parallel to the first vertical surface Wherein each of the predetermined (10) wires are placed on each of the second straight surfaces, and each of the fixed bumps The guide light is a beveled recording surface extending from a top end of each of the second straight surfaces away from each of the second vertical surfaces. 10. The fixing mechanism of claim 9, wherein the first vertical surfaces of the pair of latching arms face each other, and the second vertical surfaces of the pair of latching arms are mutually Back to back. 11. The fixing mechanism of claim 9, wherein the first vertical surfaces of the pair of snap arms are opposite each other, and the second vertical surfaces of the pair of snap arms are facing each other . 12. A display device comprising: a backlight module comprising a backlight, a reflector, a diffuser, a backplane, a conversion 16 1376543 application for supplement, a revision period, July 20, 2011 And a protective cover, wherein the converter is fixed to the bottom surface of the backboard by the protective cover. The backboard comprises at least one snap arm, and the snap arm is disposed on the silk surface of the backboard And the latch arm includes a fixing protrusion, the _ bump includes a guiding portion and a “fixing end surface, the guiding portion includes a wide portion, and the width of the wide portion without the 端面 端面 end point is The maximum width of the guiding portion; the protection money is set on the bottom surface of the backboard, the protective cover comprises four side walls and a substrate, the side sides are perpendicularly connected to each other, and are arranged with the substrate to form a receiving space The security further comprises at least one elastic fixing plate and at least one through hole, the fresh fixing plate has a fastening hole, the fastening hole corresponding to the through hole in a vertical direction, the width of the fastening hole is smaller than the guiding lead. The width of the wide portion of the P, the fixed end surface of the fixing protrusion is pressed against the fixing plate; and a display panel is mounted above the backlight module. 17 # 00 3⁄43⁄4 ^ ?>