CN101749600A - Backlight module with platy optical element locating effect and display device and display device - Google Patents
Backlight module with platy optical element locating effect and display device and display device Download PDFInfo
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- CN101749600A CN101749600A CN201010001428A CN201010001428A CN101749600A CN 101749600 A CN101749600 A CN 101749600A CN 201010001428 A CN201010001428 A CN 201010001428A CN 201010001428 A CN201010001428 A CN 201010001428A CN 101749600 A CN101749600 A CN 101749600A
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- arch
- optical sheet
- backlight module
- linear element
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Abstract
The invention discloses a backlight module with platy optical element locating effect and display device and a display device; the backlight module comprises a back plate, a platy optical element and a side frame; the back plate is provided with a first surface, and a raised arch part is formed on the first surface, close to the end edge position of the first surface, an insertion hole is formed by the arch part and the first surface; the platy optical element is arranged on the first surface, and the platy optical element forms a lug at the end part, and the lug is extended in the insertion hole; the side frame is arranged on the back plate, corresponding to the position of the first surface, close to the end edge, the side frame at least comprises a side wall, a sunk part is formed at the bottom end of the side wall; the bottom end of the side wall is pressed on the platy optical element, the arch part is stretched in the sunk part, so as to locate the platy optical element conveniently. In the invention, the backlight module and the platy optical element (reflecting plate) of the display device thereof can be fixed, the effect on deformation of the platy optical element or curling when the platy optical element is heated is reduced, and the invention has the advantages of saving working hour and reducing the cost.
Description
Technical field
The present invention relates to a kind of location structure of backlight module internal reflection sheet; Particularly, the present invention relates to a kind of backlight module and display unit thereof of utilizing back of the body frame and other corresponding structures to locate reflector plate.
Background technology
Backlight module is one of key part and component of TFT-LCD panel, the past panel all is to adopt CCFL (CCFL) backlight the most, in recent years based on environmental protection, attractive in appearance, and factor such as light emitting diode (LED) price downslide, LED has also driven in clear as the trend of panel backlight.
Backlight module adopts LED almost to become main flow at notebook computer (NB) as backlight at present, and many dealers comparatively leading on the LED application technology are more than the NB product proportion of employing LED-backlit has reached 9 one-tenth.In addition, also constantly towards the slimming development, the LED-backlit source also is regarded as considerable link to panel, adopts the comparable CCFL of LED more to save the thickness of backlight module, makes display unit integral body reach design ultra-thin, attractive in appearance.
As shown in Figures 1 and 2, known backlit module 10 comprises framework 12, some blooming pieces (scheming not shown), LGP 14, reflector plate 16, backboard 18 and light-emitting diode (LED) module 20 and forms.Blooming piece, LGP 14 and reflector plate 16 are stacked at respectively on the backboard 18, coat above-mentioned optics sheet material with framework 12 again.In as Fig. 1, light-emitting diode (LED) module 20 preferable use light-emitting diode light bars (LEDLight Bar) are as backlight.As shown in Figure 2, light-emitting diode light bar 20 is arranged at LGP 14 1 side-lowers and is adjacent to reflector plate 16, wherein the light inlet end face 15 corresponding settings of light emitting diode 21 and LGP 14.
Be known in above-mentioned backlight module 10 each the element process of assembling, light-emitting diode light bar 20 is positioned on the backboard 18 with adhesive tape 22, and another side then connects reflector plate 16 with two-sided tape 24 again.In other words, reflector plate 16 is pasted by a two-sided tape 24 and is fixed on the backboard 18, and other ora terminalis there is no any fixed form.Yet because that reflector plate 16 adopts two-sided tapes 24 to paste is fixing, when backlight module 10 in subsequent technique, being heated to make reflector plate 16 produce (waving) phenomenon of curling.
Summary of the invention
The object of the present invention is to provide a kind of geometry that on backboard, forms, so as to the backlight module and the display unit thereof of fixed optics chip component (reflecting plate).
Another purpose of the present invention is to provide a kind of and reduces the deformation of optical sheet linear element or meet backlight module and the display unit thereof that hot rolling song (waving) exerts an influence.
Another purpose of the present invention is to provide a kind of the have man-hour of saving and backlight module that reduces cost and display unit thereof.
Another object of the present invention is to provide the backlight module and the display unit thereof of vertical (Z axle) the direction locating effect of a kind of increase optical sheet linear element.
The invention provides a kind of backlight module and comprise backboard, optical sheet linear element and side frame.Backboard has first surface, and wherein first surface forms bossed arch on the close position of ora terminalis.Form patchhole between arch and first surface.The optical sheet linear element is arranged on the first surface, and wherein the optical sheet linear element forms lug in the end.Lug stretches into patchhole.Side frame be arranged on the backboard and corresponding first surface near the position of ora terminalis.Side frame comprises sidewall at least, and the sidewall bottom is formed with depressed part.The sidewall bottom is pressed on the optical sheet linear element, and the arch is stretched in the depressed part.
In preferred embodiment, the arch upwards is bent to form straight wall from first surface, and the straight vertical lug of wall stretches into the direction setting.Patchhole is formed at Zhi Bishang, and lug passes patchhole and stretches near first surface ora terminalis position.Patchhole is formed towards the bending of optical sheet linear element by the arch.The arch has heel and support arm, and heel is connected with first surface and support arm respectively, the vertical heel of support arm and parallel with the ora terminalis of first surface.In another embodiment, the arch comprises first arch and second arch.First arch and second arch have heel and support arm respectively, and above-mentioned heel is connected with first surface and support arm respectively, the parallel first surface of above-mentioned support arm.In addition, side frame comprises the side that the first pressing end is formed at depressed part in addition, for locating the optical sheet linear element on first surface.The end of backboard vertically extends to form side plate, and the side plate inner face comprises hook part, and the sidewall outer surface of side frame then comprises the holding section, engages the location with hook part.
The present invention more provides a kind of display unit, and except that aforesaid backlight module, other comprises display panels.Display panels is arranged on the backlight module, with the light that receives backlight module and produce image on display surface.
The present invention is the optical sheet linear element (reflecting plate) of backlight module and display unit thereof fixedly, also can reduce the deformation of optical sheet linear element or meet the influence that hot rolling song (waving) produces, and have the advantage of saving man-hour and reducing cost.
Description of drawings
Figure 1A is the exploded view of known display unit;
Figure 1B is the cutaway view of known display unit;
Fig. 2 A is located at the stereogram of backboard for the optical sheet linear element of backlight module of the present invention;
Fig. 2 B after the optical sheet linear element of backlight module of the present invention is positioned backboard, assembles the enforcement illustration of side frame on first surface again;
Fig. 3 A implements illustration for one of side frame of the present invention location optical sheet linear element;
Fig. 3 B is another enforcement illustration of side frame of the present invention location optical sheet linear element;
Fig. 4 A implements illustration for first of location, arch of the present invention optical sheet linear element;
Fig. 4 B is another enforcement illustration of location, arch of the present invention optical sheet linear element;
Fig. 4 C is the another enforcement illustration of location, arch of the present invention optical sheet linear element;
Fig. 5 is assembled in the side view of backboard for side frame of the present invention;
Fig. 6 A implements illustration for backboard of the present invention forms one of arch structure;
Fig. 6 B forms another enforcement illustration of arch structure for backboard of the present invention;
Fig. 7 is the exploded view of display unit of the present invention; And
Fig. 8 is the cutaway view of display module of the present invention.
Description of reference numerals in the above-mentioned accompanying drawing is as follows:
100 backlight modules, 110 backboards
112 first surfaces, 114 side plates
117 through holes, 118 hook parts
120 arch 120A, first arch
120B second arch 122 patchholes
124 straight wall 126 heels
128 support arms, 129 side openings
150 optical sheet linear elements, 152 lugs
170 side frames, 1 72 sidewalls
174 depressed parts, 176 first pressing ends
178 second pressing ends, 180 holding sections
200 LGPs, 300 blooming pieces
500 light-emitting diode (LED) modules, 502 light emitting diodes
504 adhesive tapes, 700 display unit
900 display panels, 910 display surfaces
The specific embodiment
The invention provides a kind of backlight module and display unit thereof, utilize the formed geometry of this body structure location optical sheet linear element.The present invention also comprises the electronic product that uses this display unit, and in preferred embodiment, electronic product provided by the invention refers to portable computer (portable computer).Yet in other different embodiment, also can be mobile communications device, digital camera/video camera, electronic translator/reader or other has the electronic product of display module.In addition, the optical sheet linear element of indication of the present invention is preferably reflector plate (reflective sheet), and the light-emitting diode light bar of the preferable use side entering type of backlight (edge lighting) (LED light bar).Yet in other different embodiment, the display mode of display unit also can be straight-down negative luminous (bottom lighting), and can other traditional tube, and for example light source such as CCFL is as backlight module.
Shown in Fig. 2 A, backlight module 100 of the present invention comprises backboard 110, optical sheet linear element 150 and side frame 170.Backboard 100 has first surface 112, and wherein first surface 112 forms bossed arch 120 on the close position of ora terminalis.The arch 120 of present embodiment is directly warpage bending shaping near backboard 110 ora terminalis, so arch 120 and backboard 110 integrally formed making.Yet in other different embodiment, arch 120 also can assembling mode, for example is spirally connected or alternate manner is fixed on the backboard 120.Shown in Fig. 2 A, arch 120 preferable formation one arched door shapes, and and 112 formation of first surface patchhole 122.Optical sheet linear element 150 is arranged on the first surface 112, and wherein optical sheet linear element 150 forms lug 152 in the end.Lug 152 stretches in the patchhole 122, with the displacement of restriction optical sheet linear element 150.
Shown in Fig. 2 B, side frame 170 is arranged at the position of also corresponding first surface 112 close ora terminalis on the backboard 110.Side frame 170 comprises at least one sidewall 172, and sidewall 172 bottoms are formed with the depressed part 174 (please also refer to Fig. 3 A) of parallel arch 120, and 120 of arch can be stretched in the depressed part 174, and sidewall 172 bottoms are pressed on the optical sheet linear element 150.In embodiment as shown in Figure 3A, side frame 170 bottoms have the side that the first pressing end 176 is formed at depressed part 174.When being assembled on the backboard 110 by side frame 170, the first pressing end 176 is promptly exerted pressure simultaneously and is located optical sheet linear element 150 on first surface 112.That is to say that depressed part 174 is the short slot that the back side hollows out in side frame 170 bottoms, make three ends of relative short slot form three pressing ends that comprise the first pressing end 176.
In another embodiment shown in Fig. 3 B, both sides, depressed part 174 front and back also can form the first pressing end 176 and the second pressing end 178 respectively, and optical sheet linear element 150 is closed in voltage supply.That is to say that depressed part 174 is a rectangular recess in side frame 170 bottoms, is the pressing end all around.In the present embodiment, optical sheet linear element 150 is subjected to the location of side frame 170, makes optical sheet linear element 150 be limited its displacement on Z-direction; The X-direction displacement of optical sheet linear element 150 can directly be limited in 120 set X-axis positions, arch, add that the lug 152 on the optical sheet linear element 150 passes patchhole 122 displacements of restriction optical sheet linear element 150 on Y direction of arch 120, patchhole 122 height dimensions of arch 120 provide lug 152 on the optical sheet linear element 150 in the restriction of Z-direction, and optical sheet linear element 150 more stably is positioned on the first surface 112 of backboard 110.Because arch 120 is stretched in the depressed part 174 of side frame 170, this design also can increase the structural strength of side frame 170.When side frame 170 was out of shape because of the interior arch of undercapacity, arch 120 can provide support to avoid side frame 170 distortion.
In the embodiment shown in Fig. 2 B, the end of backboard 110 vertically extends to form side plate 114, and side plate 114 inner faces comprise hook part 118, and the sidewall outer surface of side frame 170 then comprises holding section 180, to engage the location with the hook part 118 of side frame 170.Please also refer to shown in Figure 5ly, hook part 118 is preferably towards projecting inward fastening structure, the 180 short slot structures for being fastened in holding section.Yet in other different embodiment, hook part 118 and the also interchangeable setting in holding section 180.
Shown in Fig. 4 A, the formation of arch 120 comprises from first surface 112 and upwards is bent to form straight wall 124, and straight wall 124 vertical lugs 152 stretch into direction.Patchhole 122 preferable directly being formed on the straight wall 124, the lug 152 of optical sheet linear element 150 can be passed patchhole 122 and be stretched near first surface 112 ora terminalis positions.In the embodiment shown in Fig. 4 A, straight wall 124 generation types are preferable to form holes 116 in the first surface 112 close ora terminalis places of backboard 110 in modes such as punching press or forging and pressing, more straight wall 124 upwards is bent to form.Yet as shown in the embodiment of Fig. 4 B, straight wall 124 is shaped towards the bending of optical sheet linear element 150 directions after also can upwards bending from holes 116 again; 122 of the patchholes of straight wall 124 are formed towards 150 bendings of optical sheet linear element by arch 120.In the present embodiment, can be directly the ora terminalis of optical sheet linear element 150 be stretched in the patchhole 122, and lug 152 need be set.Yet in the embodiment shown in Fig. 4 C, straight wall 124 more forms through hole 117, and the lug 152 that makes optical sheet linear element 150 stretches into through hole 117 again and is positioned wherein along patchhole 122.
As shown in Figure 6A, first surface 112 more forms a side opening 129, and side opening 129 generation types are similar to previous embodiment, promptly makes with punching press, forging and pressing or other suitable mode.After forming side opening 129, be shaft-like arch 120 and upwards be bent to form structure from side opening 129 with heel 126 and support arm 128.In embodiment as shown in Figure 6A, heel 126 two ends are connected with first surface 112 and support arm 128 respectively, support arm 128 vertical heels 126 and parallel with the ora terminalis of first surface 112.122 of patchholes are formed between support arm 128 and the first surface 112.In the embodiment shown in Fig. 6 B, also can form two side holes 129 near the ora terminalis place at backboard 110, upwards be bent to form the first arch 120A and the second arch 120B from two side holes 129 again.The first arch 120A and the second arch 120B have heel 126 and support arm 128 respectively, and above-mentioned heel 126 is connected with first surface 112 and support arm 128 respectively, above-mentioned support arm 128 parallel first surfaces 112.Patchhole 122 is formed between above-mentioned support arm 128 and the first surface 112.About size, size and the intensity of arch 120,120A and 120B, the size or the design of locating optical sheet linear element 150 with desire need change.
As shown in Figures 7 and 8, the present invention more provides a kind of display unit 700, mainly is made up of aforementioned backlight module 100 and display panels 900.Display panels 900 has display surface 910; Wherein display panels 900 is stacked on the backlight module 100 relatively, receiving the light source that backlight module 100 provides, and produces images in display surface 910.
In embodiment as shown in Figures 7 and 8, the preferable employing side entering type of the backlight of backlight module 100 is luminous and have the light-emitting diode light bar 500 of a plurality of light emitting diodes 502, is located at a side of backboard 110.Yet in different embodiment, backlight also can adopt straight-down negative luminous and with other traditional tube, and for example light source such as CCFL is as light source.Light-emitting diode light bar 502 1 sides are fixing with adhesive tape 504, and opposite side is fixed on the backboard 110.After pasting fixedly light-emitting diode light bar 500, folded respectively optical sheet linear element 150, LGP 200, a plurality of blooming piece 300 and the side frame 170 established, wherein assemble optical sheet linear element 150 when backboard 110, in the preferable patchhole 122 that lug 152 is inserted be located at the arch 120 that side frame 170 structure on two sides form respectively, with location optical sheet linear element 150.In embodiment as shown in Figure 8, arch 120 is further stretched in the depressed part 174, and limits the displacement of optical sheet linear element 150 in Z-direction respectively with the first pressing end 176 and the second pressing end 178 of depressed part 174 both sides.In other different embodiment, the generation type of arch 120 and structure please refer to previous embodiment.In addition, arch 120 is provided with quantity, form and the position is set, and can change with size, size or the design requirement of optical sheet linear element 150.
Behind location optical sheet linear element 150, folded in regular turn again LGP 200, a plurality of blooming piece 300 and the rectangular side frame 170 established, its dorsulum 110 vertically extends to form side plate 114 inner faces and has hook part 118, the sidewall outer surface of side frame 170 then has holding section 180 and engages with hook part 118, so that above-mentioned LGP 200, a plurality of blooming piece 300, light-emitting diode light bar 500 are positioned between side frame 170 and the backboard 110.At last, the display panels 900 that storing has display surface 910 is finished display unit 700 on backlight module 100.
The present invention is described by above-mentioned related embodiment, yet the foregoing description is only for implementing example of the present invention.Must be pointed out that the embodiment that has disclosed does not limit the scope of the invention.Modification of making according to spirit of the present invention and principle and equalization are provided with and all are contained in the claims scope.
Claims (18)
1. backlight module comprises:
One backboard has a first surface, and wherein this first surface forms a patchhole near forming a bossed arch on the position of ora terminalis between this arch and this first surface;
One optical sheet linear element is arranged on this first surface, and wherein this optical sheet linear element forms a lug in the end, and this lug stretches into this patchhole; And
One side frame, be arranged on this backboard and to should first surface near the position of ora terminalis, this side frame comprises at least one sidewall, this sidewall bottom is formed with a depressed part; Wherein, this sidewall bottom is pressed on this optical sheet linear element, and this arch is stretched in this depressed part.
2. backlight module as claimed in claim 1, wherein this arch upwards is bent to form wall always from this first surface, and vertical this lug of this straight wall stretches into direction.
3. backlight module as claimed in claim 2, wherein this patchhole is formed on this straight wall, and this lug passes this patchhole and stretches near this first surface ora terminalis position.
4. backlight module as claimed in claim 2, wherein this patchhole is formed towards this optical sheet linear element bending by this arch.
5. backlight module as claimed in claim 1, wherein this arch has a heel and a support arm, and this heel is connected with this first surface and this support arm respectively, vertical this heel and parallel with the ora terminalis of this first surface of this support arm.
6. backlight module as claimed in claim 1, wherein this arch comprises one first arch and one second arch, this first arch and this second arch have a heel and a support arm respectively, and described heel is connected with this first surface and this support arm respectively, parallel this first surface of described support arm.
7. backlight module as claimed in claim 1, wherein this side frame comprises the side that one first pressing end is formed at this depressed part in addition, for locating this optical sheet linear element on this first surface.
8. backlight module as claimed in claim 1, wherein this side frame comprises one first pressing end and one second pressing end in addition, lays respectively at the relative both sides of this depressed part, for locating this optical sheet linear element on this first surface.
9. backlight module as claimed in claim 1, wherein the end of this backboard vertically extends to form side plate, and this side plate inner face comprises a hook part, and this sidewall outer surface of this side frame then comprises a holding section, engages the location with this hook part.
10. display unit comprises:
One display panels has a display surface; And
One backlight module, be located at this display panels below, this backlight module comprises a backboard, and this backboard has a first surface, wherein this first surface forms a patchhole near forming a bossed arch on the position of ora terminalis between this arch and this first surface;
One optical sheet linear element is arranged on this first surface, and wherein this optical sheet linear element forms a lug in the end, and this lug stretches into this patchhole; And
One side frame, be arranged on this backboard and to should first surface near the position of ora terminalis, this side frame comprises at least one sidewall, this sidewall bottom is formed with a depressed part; Wherein, this sidewall bottom is pressed on this optical sheet linear element, and this arch is stretched in this depressed part.
11. display unit as claimed in claim 10, wherein this arch upwards is bent to form wall always from this first surface, and vertical this lug of this straight wall stretches into direction.
12. display unit as claimed in claim 11, wherein this patchhole is formed on this straight wall, and this lug passes this patchhole and stretches near this first surface ora terminalis position.
13. display unit as claimed in claim 11, wherein this patchhole is formed towards this optical sheet linear element bending by this arch.。
14. display unit as claimed in claim 10, wherein this arch has a heel and a support arm, and this heel is connected with this first surface and this support arm respectively, vertical this heel and parallel with the ora terminalis of this first surface of this support arm.
15. display unit as claimed in claim 10, wherein this arch comprises one first arch and one second arch, this first arch and this second arch have a heel and a support arm respectively, and described heel is connected with this first surface and this support arm respectively, parallel this first surface of described support arm.
16. display unit as claimed in claim 10, wherein this side frame comprises the side that one first pressing end is formed at this depressed part in addition, for locating this optical sheet linear element on this first surface.
17. display unit as claimed in claim 10, wherein this side frame comprises one first pressing end and one second pressing end in addition, lays respectively at the relative both sides of this depressed part, for locating this optical sheet linear element on this first surface.
18. display unit as claimed in claim 10, wherein the end of this backboard vertically extends to form side plate, and this side plate inner face comprises a hook part, and this sidewall outer surface of this side frame then comprises a holding section, engages the location with this hook part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010001428 CN101749600B (en) | 2010-01-06 | 2010-01-06 | Backlight module with platy optical element locating effect and display device and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010001428 CN101749600B (en) | 2010-01-06 | 2010-01-06 | Backlight module with platy optical element locating effect and display device and display device |
Publications (2)
| Publication Number | Publication Date |
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| CN101749600A true CN101749600A (en) | 2010-06-23 |
| CN101749600B CN101749600B (en) | 2013-03-06 |
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| CN 201010001428 Active CN101749600B (en) | 2010-01-06 | 2010-01-06 | Backlight module with platy optical element locating effect and display device and display device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886778A (en) * | 2010-07-27 | 2010-11-17 | 苏州向隆塑胶有限公司 | Backlight module and liquid crystal display device |
| CN102737546A (en) * | 2011-04-15 | 2012-10-17 | 奇美电子股份有限公司 | Display and back plate thereof |
| CN102913822A (en) * | 2012-10-25 | 2013-02-06 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN103727429A (en) * | 2012-10-11 | 2014-04-16 | 欧司朗股份有限公司 | Lighting device |
| WO2014071648A1 (en) * | 2012-11-12 | 2014-05-15 | 深圳市华星光电技术有限公司 | Locating device, backlight module and liquid crystal display device |
| CN105570759A (en) * | 2014-08-22 | 2016-05-11 | 欧姆龙株式会社 | Lighting device, electronic device, frame construction, and method for manufacturing the frame construction |
| CN109578948A (en) * | 2018-12-21 | 2019-04-05 | 郑小微 | Daylight lamp bracket |
| WO2023103172A1 (en) * | 2021-12-09 | 2023-06-15 | 瑞仪光电(苏州)有限公司 | Backlight module and display apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101545601A (en) * | 2009-04-22 | 2009-09-30 | 昆山龙腾光电有限公司 | Backlight module |
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2010
- 2010-01-06 CN CN 201010001428 patent/CN101749600B/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101886778A (en) * | 2010-07-27 | 2010-11-17 | 苏州向隆塑胶有限公司 | Backlight module and liquid crystal display device |
| CN102737546A (en) * | 2011-04-15 | 2012-10-17 | 奇美电子股份有限公司 | Display and back plate thereof |
| CN102737546B (en) * | 2011-04-15 | 2014-10-22 | 群创光电股份有限公司 | Display and back plate thereof |
| CN103727429A (en) * | 2012-10-11 | 2014-04-16 | 欧司朗股份有限公司 | Lighting device |
| CN102913822A (en) * | 2012-10-25 | 2013-02-06 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| WO2014063372A1 (en) * | 2012-10-25 | 2014-05-01 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display apparatus |
| CN102913822B (en) * | 2012-10-25 | 2015-04-15 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| WO2014071648A1 (en) * | 2012-11-12 | 2014-05-15 | 深圳市华星光电技术有限公司 | Locating device, backlight module and liquid crystal display device |
| CN105570759A (en) * | 2014-08-22 | 2016-05-11 | 欧姆龙株式会社 | Lighting device, electronic device, frame construction, and method for manufacturing the frame construction |
| CN109578948A (en) * | 2018-12-21 | 2019-04-05 | 郑小微 | Daylight lamp bracket |
| WO2023103172A1 (en) * | 2021-12-09 | 2023-06-15 | 瑞仪光电(苏州)有限公司 | Backlight module and display apparatus |
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| CN101749600B (en) | 2013-03-06 |
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