CN201218444Y - Backlight module - Google Patents
Backlight module Download PDFInfo
- Publication number
- CN201218444Y CN201218444Y CNU200820059457XU CN200820059457U CN201218444Y CN 201218444 Y CN201218444 Y CN 201218444Y CN U200820059457X U CNU200820059457X U CN U200820059457XU CN 200820059457 U CN200820059457 U CN 200820059457U CN 201218444 Y CN201218444 Y CN 201218444Y
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- China
- Prior art keywords
- frame wall
- side frame
- face
- slit
- module backlight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000003292 glue Substances 0.000 claims description 52
- 230000009286 beneficial effect Effects 0.000 claims 2
- 230000009977 dual effect Effects 0.000 description 8
- 239000004973 liquid crystal related substance Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 208000012868 Overgrowth Diseases 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses a backlight module, which comprises a rubber frame, a lamp tube component and at least a buckle component. The rubber frame is formed with an inner space and comprises at least one side frame wall, the side frame wall defines a part of the inner space and is provided with a top surface, and the top surface is provided with at least one slot. The lamp tube assembly is accommodated in the inner space of the rubber frame and comprises a reflecting cover, the reflecting cover is provided with a top plate and a bottom plate opposite to the top plate, a part of the top plate, which is not opposite to the bottom plate, forms a side wing, the side wing is arranged on the top surface of the side frame wall in a leaning mode and provided with at least one slit, and the slit is aligned to the slit on the top surface of the side frame wall. The buckling piece is provided with a first part arranged on the side wing, at least one first inserting part extends out of the first part, and the first inserting part penetrates through the slit of the side wing and is inserted into the slit on the top surface of the side frame wall.
Description
[technical field]
The utility model relates to a kind of module backlight, particularly relevant for a kind of improvement of fluorescent tube assembly fixing structure of module backlight.
[background technology]
Module backlight is to be applied on the multiple electronic display unit and as light source.For example, LCD is to form by liquid crystal panel and as the module common combination backlight of the light source of liquid crystal panel.Existing module backlight, employed module backlight in the LCD screen of mobile computer for example, usually include the glue frame of a rectangle and be fixed in the interior fluorescent tube assembly of this glue frame, fluorescent tube assembly wherein has the reflector that a cross section roughly is the U type usually, in order to accommodate and fixed lamp tube.The glue frame of rectangle includes two relative side frame walls and the L type that is connected between this dual side-edge frame wall is accommodated the frame wall.The header board of U type reflector and base plate can be resisted against the L type and accommodate in the frame wall, can live U type reflector from the bottom bracketing so that the L type is accommodated the frame wall.Two epitaxial lateral overgrowths of U type reflector are stretched and are formed two flanks, and these two flanks are to be bent into the right angle, can be coated on the end face and outer side surface of both sides side frame wall.The end face of side frame wall is formed with screw and reaches and screw location protruded stigma arranged side by side, then be formed with two perforates on the U type reflector relatively, wherein a perforate is sheathed on the protruded stigma of location, another perforate then with the screw of side frame wall end face in correspondence with each other, can pass this perforate for a screw and be meshed, so that reflector is fixed on the glue frame with the screw of side frame wall.
But this existing module backlight has some shortcomings, and for example the screw hole dimensions on its glue frame side frame wall is very little, and therefore when molded and shaped, this undersized side frame wall end face screw is easy to take place bad flaw when the demoulding.In addition, when using screw to be locked in the fluorescent tube assembly on the glue frame, also can be easy to produce small material granule, these molecules fall to and then cause the picture of liquid crystal display bad on the liquid crystal panel easily.Moreover, when using screw locking fluorescent tube assembly and glue frame, if the screw of the perforate of U type reflector and glue frame is unjustified, the situation of screw dislocation perhaps takes place in screwing the process of screw, or when causing the action that must repeatedly repeat to lock because other reason carries out heavy industry, then might cause the sliding tooth of screw of glue frame, and then cause whole glue frame to be scrapped.In addition, when using screw to lock fluorescent tube assembly and glue frame, the installation and removal operation must see through uses proper implements just can finish, typically use electric screw driver and be generally quick operation, but can need to debug frequently the torsion of electric screw driver like this, also be quite not convenient for work.
Therefore, necessary existing structure is improved, to overcome aforesaid defective.
[summary of the invention]
Main purpose of the present utility model is to provide a kind of module backlight, and the fluorescent tube assembly fixing structure that it has improvement can help the convenience of assembly and disassembly, and can improve the product yield.
Other purpose of the present utility model and advantage can be further understood from the disclosed technical characterictic of the utility model.
In order to achieve the above object or other purpose, the utility model adopts following technical scheme: a kind of module backlight includes: a glue frame, a fluorescent tube assembly and a fastener.The glue frame is formed with an inner space and has at least one side frame wall, and the side frame wall defines the part of inner space and has an end face, is provided with at least one line of rabbet joint on end face.The fluorescent tube assembly is placed in the inner space of glue frame and includes a reflector, reflector has a top board and with respect to a base plate of top board, the non-part over against base plate of top board forms a flank, be provided with at least one slit on the end face that is placed in the side frame wall of flank, slit is aligned in the line of rabbet joint of the end face of side frame wall.Fastener has one first position that places on this flank, and extends at least one first embedding part on first position, and first embedding part passes the slit of flank, and is inserted in the line of rabbet joint of end face of side frame wall.
According to an embodiment of the present utility model, be formed with upwardly extending locating piece on the end face of the side frame wall of aforementioned glue frame, locating piece has a side that is connected on the side frame wall end face, as a location division, can for the leading edge of the flank of fluorescent tube assembly against, and make the fluorescent tube assembly be properly positioned on the glue frame.
Compared to prior art, the module backlight of the utility model one embodiment, its fluorescent tube assembly is fixed on the glue frame with fastener and locating piece, be convenient to assembling, and glue frame material particle can in assembling process, not occur because screwing screw and fall on the liquid crystal panel and puzzlement such as the sliding tooth of screw, and then can improve the product yield, reduce production costs.
[description of drawings]
Fig. 1 is the three-dimensional combination figure of the module backlight of the utility model first embodiment.
Fig. 2 is the three-dimensional exploded view of the module backlight of the utility model first embodiment.
Fig. 3 is the partial enlarged drawing of three-dimensional exploded view of the module backlight of the utility model first embodiment.
Fig. 4 is the local enlarged diagram of glue frame of the module backlight of the utility model first embodiment.
Fig. 5 is the glue frame of module backlight of the utility model first embodiment and the unit assembly drawing of fluorescent tube assembly.
Fig. 6 is the unit assembly drawing after the fluorescent tube assembly group of the module backlight of the utility model first embodiment is gone into the glue frame.
Fig. 7 is the part exploded view of the module backlight of the utility model second embodiment.
Fig. 8 is the stereogram of the fastener of another embodiment of the utility model.
[specific embodiment]
The explanation of following each embodiment is graphic with reference to what add, can be in order to the specific embodiment of implementing in order to illustration the utility model.The direction term that the utility model is mentioned, for example " on ", D score, " preceding ", " back ", " left side ", " right side " etc., only be direction with reference to annexed drawings.Therefore, the direction term of use is to be used for explanation, but not is used for limiting the utility model.
For simplified illustration and highlight creative feature of the present utility model, in accompanying drawing of the present utility model, will only demonstrate part-structure relevant in the module backlight with the utility model, other structure, structures such as the diffusion sheet of module backlight, prismatic lens for example, because of identical, so no longer add herein to describe with existing module backlight.
See also Figure 1 and Figure 2, be respectively the three-dimensional combination figure and the three-dimensional exploded view of the module backlight 1 of the utility model first embodiment.As shown in Figures 1 and 2, the module backlight 1 of the utility model first embodiment includes a glue frame 2, in order to holding a fluorescent tube assembly 3, and sees through at least one fastener 4 fluorescent tube assembly 3 is fixed on the glue frame 2.Among the embodiment shown in the figure, the glue frame 2 of the module backlight 1 of the utility model first embodiment is the framework of a rectangle, tool two sides are separated the side frame wall 21 of setting relatively, and its two end accommodates frame wall 22 by one respectively and a connection box wall 24 is connected, and constitutes the framework of this rectangle.Dual side-edge frame wall 21, accommodate between frame wall 22, the connection box wall 24 and to form an inner space 20, in order to holding fluorescent tube assembly 3, and other spare part of module backlight, diffusion sheet and prismatic lens etc.Though glue frame 2 in the present embodiment is to be that example is illustrated with the rectangle framework, is appreciated that the glue frame 2 of the utility model first embodiment is not limited to the framework of rectangle, also can have other suitable shape.
Please cooperate and consult Fig. 3 and Fig. 4, the side frame wall 21 of glue frame 2 has an end face 210 and an outer side surface 211.In the present embodiment, outer side surface 211 is haply perpendicular to end face 210, but in other words the utility model is not as limit,, 21 of outer side surface 211 and end faces can have any suitable angle, and this feature will be further understood in the explanation hereinafter.The end face 210 of at least one side frame wall 21 is provided with at least one line of rabbet joint 212, in order to be matched with this at least one fastener 4 fluorescent tube assembly 3 is fixed on the glue frame 2.In the present embodiment, end face 210 is provided with two lines of rabbet joint 212, bearing of trend (accommodating the direction that wall portion 22 extends to connecting wall portion 24 certainly) along side frame wall 21 is separated one section predetermined distance mutually, in order to engaging and fix fastener 4, and then fluorescent tube assembly 3 is fixed on the glue frame 2.In the present embodiment, on the dual side-edge frame wall 21 of glue frame 2, be equipped with two lines of rabbet joint 212, and the line of rabbet joint 212 on each side frame wall 21 all is matched with a fastener 4 fluorescent tube assembly 3 is fixed on this side frame wall 21.
Please cooperate and consult Fig. 4, the direction of its demonstration is opposite with Fig. 3, the fluorescent tube assembly 3 of the module backlight 1 of the utility model first embodiment includes the reflector 30 that a cross section roughly is the U type, this reflector 30 has a top board 31, a base plate 32 and relative with top board 31 is connected in the header board 33 between top board 31 and the base plate 32, defines the U type receiving space 34 in the reflector 30 jointly.Fluorescent tube assembly 3 also has a luminous lamp tube (not shown), is contained in the U type receiving space 34 of reflector 30.The size of fluorescent tube assembly 3 can be equivalent to the dual side-edge frame wall 21 separated distances of glue frame 2 haply, for be placed in glue frame 2 by dual side-edge frame wall 21 and accommodate frame wall 22 and inner space 20 that connection box wall 24 is defined in.Stretch out two sides that exceed relative base plate 32 of two side terminal horizontal of the top board 31 of reflector 30 are terminal and form the flank 35 of en plaque respectively.When reflector 30 was contained in the inner space 20 of glue frame 2, this two flank 35 horizontal respectively was affixed by on the end face 210 of dual side-edge frame wall 21.Therefore, in the present embodiment, flank 35 is haply perpendicular to the outer side surface 211 of side frame wall 21.Be formed with two slits 36 on each flank 35, penetrate flank 35, and separate a segment distance mutually, this distance is the rough distance that is equivalent to 212 of two set on the end face 210 of sidewall frame wall 21 lines of rabbet joint, so when flank 35 is placed on the end face 210 of side frame wall 21, its slit 36 can be aligned in the line of rabbet joint 212 of end face 210 haply respectively, for slit 36 and the line of rabbet joint 212 of fastener 4 via these alignment reflector 30 is fixed on the glue frame 2.
On the end face 210 of side frame wall 21, be formed with a locating piece 23 to upper process, be positioned at side frame wall 21 and accommodate the corner that frame wall 22 is connected.In the present embodiment, locating piece 23 has a side 232, be connected on the end face 210 of side frame wall 21 and form a stage portion, in order to as a location division, can be when assembling fluorescent tube assembly 3, for fluorescent tube assembly 3 against to it on and provide fluorescent tube assembly 3 to locate usefulness, by the setting of locating piece 23, when fluorescent tube assembly 3 is incorporated on the glue frame 2, the slit 36 on the reflector 30 of fluorescent tube assembly 3 can be aligned to the line of rabbet joint 212 on the end face 210 of glue frame 2.
In the present embodiment, first position 41 has 2 first embedding parts 43, extend from two sides at first position 41 respectively, and haply perpendicular to first position 41, for at first position 41 when putting to the flank 35 of fluorescent tube assembly 3, can pass the slit 36 on the flank 35 and be inserted in the line of rabbet joint 212 of glue frame 2.At this point, the width at first position 41 (also promptly along the size of the bearing of trend of side frame wall 21) is equivalent to the distance (also being the distance of 36 of slits on the flank 35) of 212 of two set on the end face 210 of side frame wall 21 lines of rabbet joint haply, therefore be equal to the distance of 212 of the lines of rabbet joint from the spacing of 43 of extended first embedding parts of two sides at first position 21, so that first embedding part 43 can be inserted into respectively in the line of rabbet joint 212.
Though the front is explained from the extended structure of two sides at first position 41 with first embedding part 43 relevant for the explanation of fastener 4, but can recognize, the width at first position 41 also can be greater than the width of 212 of the lines of rabbet joint, and first embedding part 43 then can be located at any suitable place, 4 bottom surfaces, first position and can be inserted in the line of rabbet joint 212.
The assembling process of the module backlight 1 of the utility model first embodiment as shown in Figure 5.At first, fluorescent tube assembly 3 with header board 33 in the direction of accommodating frame wall 22 is incorporated into the inner space 20 that the dual side-edge frame wall 21 of glue frame 2 constituted, top board 31 2 sides of reflector 30 extended flank 35 then stride the end face 210 of the dual side-edge frame wall 21 of being located at glue frame 2 and be placed on it and supported by it.Then more as shown in Figure 6, with fluorescent tube assembly 3 towards accommodate leading edge that frame wall 22 moves to its flank 35 against to the locating piece 23 of side frame wall 21 as the side 232 of location division.In the present embodiment, the frame wall 22 of accommodating of glue frame 2 has one second wall 222 that one first wall 221 reaches perpendicular to first wall 221, first wall 221 and second wall 222 form L shaped cross section structure, therefore in the time of in fluorescent tube assembly 3 is incorporated into glue frame 2, the base plate 32 of reflector 30 and header board 33 are resisted against first wall 221 and second wall 222 of accommodating frame wall 22 respectively, and by accommodating frame wall 22 from supported underneath reflector 30.
In addition, as previously mentioned, when reflector 30 is assembled on the glue frame 2, slit 36 meetings on the flank 35 of reflector 30 are alignd mutually with the line of rabbet joint 212 of the side frame wall 21 of glue frame 2, and first embedding part 43 of fastener 4 can pass the slit 36 of reflector 30 and be inserted in the line of rabbet joint 212 of side frame wall 21, first position 41 of the en plaque of fastener 4 can be posted by reflector 30 and be positioned on the flank 35 on the end face 210 of side frame wall 21, then 42 at its second position fits on the outer side surface 211 of side frame wall 21, in this way, fastener 4 can be fixed in fluorescent tube assembly 3 in the glue frame 2.
See also shown in Figure 7, wherein demonstrate the part exploded view of the module backlight of the utility model second embodiment, the structure identical with first embodiment indicated with identical label among this second embodiment, and the explanation of its details is promptly no longer repeated, to simplify the explanation of this paper.The difference of this second embodiment and first embodiment mainly is: further be provided with second embedding part 44 that two sides from second position 42 vertically extend on the fastener 4 of second embodiment, and also relatively offer two slits 213 on the outer side surface 211 of side frame wall 21.When assembling, be that embedding part 43 with first position 41 of fastener 4 passes the slit 36 of reflector 30 and is inserted in the line of rabbet joint 212 of end face 210 of side frame wall 21, and be inserted into second embedding part 44 at second position 42 in the slit 213 on the outer side surface 211 of side frame wall 21.Can more firmly fastener 4 be fixed on the glue frame 2 like this, therefore can more firmly fluorescent tube assembly 3 be fixed in the glue frame 2.
In above-mentioned two kinds of embodiment, first embedding part 43 of fastener 4 and the quantity of second embedding part 44 are not to be defined as two, for example, as previously mentioned, first embedding part 43 might not extend from the two side ends at first position 41, also can only extend single embedding part on first position 41, perhaps front side end and the two side ends from first position 41 extend to form three embedding parts.Moreover in a second embodiment, two slits 213 of the outer side surface 211 of side frame wall 21 are offered along vertical direction, but in other embodiments, this two slit 213 also can be offered for horizontal direction, or oblique offering.
In addition, in one embodiment, please refer to Fig. 8, be inserted into for ease of first embedding part 43 in the line of rabbet joint 212 on the end face 210 of side frame wall 21, and be convenient in the slit 213 on the outer side surface 211 that second embedding part 44 is inserted into side frame wall 21, can first embedding part 43 and a side of second embedding part 44 be set to the guidance part 431,441 of circular arc, insert in the lines of rabbet joint 212 and the slit 213 smoothly respectively to help first embedding part 43 and second embedding part 44.
Claims (9)
1. module backlight includes: a glue frame and a fluorescent tube assembly, and wherein this glue frame is formed with an inner space and has at least one side frame wall, and this side frame wall defines the part of this inner space and has an end face; This fluorescent tube assembly is placed in this inner space of this glue frame and includes a reflector, and this reflector has a top board and with respect to a base plate of this top board, the non-part over against this base plate of this top board forms a flank; It is characterized in that: on the end face of this side frame wall of this glue frame, be provided with at least one line of rabbet joint; Be provided with at least one slit on this end face that is placed in this side frame wall of the flank of this reflector, this slit is aligned in this line of rabbet joint of this end face of this side frame wall; This module backlight also includes a fastener, this fastener has one first position that places on this flank, and extend at least one first embedding part on this first position, this first embedding part passes this slit of this flank, and is inserted in this line of rabbet joint of this end face of this side frame wall.
2. module backlight as claimed in claim 1, it is characterized in that: this end face of this side frame wall is provided with a positioning block, this locating piece has a side, this side of this locating piece is connected to this end face of this side frame wall, and this flank has a leading edge, and this leading edge is resisted against this side of this locating piece.
3. module backlight as claimed in claim 1 is characterized in that: this first embedding part has the guidance part of a circular arc, is beneficial in this line of rabbet joint of this end face that this first embedding part is inserted into this slit of this flank and this side frame wall.
4. module backlight as claimed in claim 1, it is characterized in that: this side frame wall of this glue frame has more an outer side surface, this outer side surface connects this end face of this side frame wall and forms a predetermined angular with this end face of this side frame wall, and this fastener has more one second position, this second position is connected in this first position and forms this predetermined angular with this first position, on this outer side surface that is placed in this side frame wall.
5. module backlight as claimed in claim 4 is characterized in that: extend at least one second embedding part on this second position, and this outer side surface of this side frame wall is provided with at least one slit, this second embedding part inserts in this slit of this outer side surface.
6. module backlight as claimed in claim 5 is characterized in that: this second embedding part has the guidance part of a circular arc, is beneficial in this slit of this outer side surface that this second embedding part is inserted into this side frame wall.
7. module backlight as claimed in claim 1, it is characterized in that: the number of this at least one line of rabbet joint of this end face of this side frame wall is two, these lines of rabbet joint are separated mutually, and the number of at least one slit of this of this flank is two, these slits correspond respectively to these lines of rabbet joint, the number of this at least one first embedding part is two, and these first embedding parts pass these slits of this flank respectively and are inserted into these lines of rabbet joint of this end face of this side frame wall.
8. module backlight as claimed in claim 7, it is characterized in that: this side frame wall of this glue frame has more an outer side surface, this outer side surface connects this end face of this side frame wall and forms a predetermined angular with this end face of this side frame wall, and this outer side surface is provided with the slit that two compartment is opened, this fastener has more one second position, this second position is connected in this first position and forms this predetermined angular with this first position, on this outer side surface that is placed in this side frame wall, and extend at least two second embedding parts on this second position, insert respectively in these slits.
9. module backlight as claimed in claim 7 is characterized in that: this of this fastener first position has two opposing ends, and these first embedding parts extend from these opposing ends with the direction at vertical this first position respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820059457XU CN201218444Y (en) | 2008-06-06 | 2008-06-06 | Backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820059457XU CN201218444Y (en) | 2008-06-06 | 2008-06-06 | Backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201218444Y true CN201218444Y (en) | 2009-04-08 |
Family
ID=40541278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820059457XU Expired - Lifetime CN201218444Y (en) | 2008-06-06 | 2008-06-06 | Backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201218444Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102495497A (en) * | 2011-12-02 | 2012-06-13 | 深圳市华星光电技术有限公司 | Liquid crystal display module with connecting assembly |
| WO2013078738A1 (en) * | 2011-12-02 | 2013-06-06 | 深圳市华星光电技术有限公司 | Liquid crystal display device and case thereof |
| US8659883B2 (en) | 2011-12-02 | 2014-02-25 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display device with connector |
-
2008
- 2008-06-06 CN CNU200820059457XU patent/CN201218444Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102495497A (en) * | 2011-12-02 | 2012-06-13 | 深圳市华星光电技术有限公司 | Liquid crystal display module with connecting assembly |
| WO2013078742A1 (en) * | 2011-12-02 | 2013-06-06 | 深圳市华星光电技术有限公司 | Liquid crystal display module having connecting assembly |
| WO2013078738A1 (en) * | 2011-12-02 | 2013-06-06 | 深圳市华星光电技术有限公司 | Liquid crystal display device and case thereof |
| US8659883B2 (en) | 2011-12-02 | 2014-02-25 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display device with connector |
| US8665391B2 (en) | 2011-12-02 | 2014-03-04 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display device and its case |
| CN102495497B (en) * | 2011-12-02 | 2014-04-30 | 深圳市华星光电技术有限公司 | Liquid crystal display module with connecting assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN HUAXING PHOTOELECTRIC TECHNOLOGY CO., LTD Free format text: FORMER OWNER: SUZHOU CANYU OPTICAL CO., LTD. Effective date: 20120813 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215006 SUZHOU, JIANGSU PROVINCE TO: 518132 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120813 Address after: 518132 9-2, Guangming Road, Guangming New District, Guangdong, Shenzhen Patentee after: Shenzhen Huaxing Optoelectronic Technology Co., Ltd. Address before: 215006, No. 3, No. 68, Star Road, Suzhou Industrial Park, Jiangsu Province Patentee before: Suzhou Canyu Optical Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090408 |