CN101937630A - LED display screen - Google Patents
LED display screen Download PDFInfo
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- CN101937630A CN101937630A CN 201010251307 CN201010251307A CN101937630A CN 101937630 A CN101937630 A CN 101937630A CN 201010251307 CN201010251307 CN 201010251307 CN 201010251307 A CN201010251307 A CN 201010251307A CN 101937630 A CN101937630 A CN 101937630A
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Abstract
The invention discloses an LED display screen. The LED display screen is composed of a plurality of display screen units which are spliced by virtue of a display screen mounting frame; wherein the display screen unit comprises a display module, a display screen tank body, a heat sink and a connecting device; the display module is connected with the display screen tank body by virtue of the connecting device, and the display screen tank body is connected with the heat sink by virtue of the connecting device; the display screen tank body is a space frame structure composed of ten support elements which are mutually vertical, namely four transverse long support elements, two vertical long support elements and four short support elements, wherein the front of the display screen tank body is composed of two transverse long support element and two vertical long support elements, the four corners at the front of the display screen are respectively connected with two transverse long support elements by virtue of the short support elements; and all the support elements are fixed by virtue of connecting pieces, and the connecting pieces are connected with the support elements by virtue of fastening pieces. The invention has the advantages of good stability, good heat dissipation, lower cost, debugging convenience and simple structure.
Description
Technical field
The present invention relates to the LED field of illuminating device, relate in particular to a kind of LED display.
Background technology
At present, LED display is made body structure mostly, and the LED display of body structure is spliced after generally adopting the sheet material bending, and manufacturing process is various, and processing request is higher, and labour intensity is big, and manufacturing cost is also high.Large display screen is independently to be made of the LED display unit several, and the tank surface of each display screen unit is provided with protective seam, and the result of ventilating heat dissipation that is directed in the whole large display screen is poor.The LED display dismounting of body structure is extremely inconvenient in addition: several are when independently the LED display unit carries out assembly unit, at the center of whole LED display screen body a register pin is set, be that assembly unit is carried out at the center with this register pin then, when wherein a LED display unit goes wrong, need the whole LED display screen is all disassembled singly.
But, also there is LED display casing to be made framed structure for the heat dissipation problem that improves casing.As Chinese utility application number is " 200420014773.7 ", the name be called " a kind of LED display " patent disclosure a kind of LED display: this display screen box body combines single face or the penetrating space frame structure of multiaspect by at least 12 orthogonal hollow material frame members, adopt a sign indicating number son to fix between frame member or on the sign indicating number son, attack internal thread, each several part is stitched together by being threaded.Because LED display adopts above-mentioned sheet material body structure, its thermal diffusivity makes moderate progress, will be combined by 12 orthogonal frame members at least but also limited box frame, this makes this box frame can not reach that structure is simpler, cost is lower, the better requirement of heat dispersion.Chinese patent application number is " 200920133332.1 " for another example, name a kind of display screen that has been called " a kind of LED display " patent disclosure: this display screen only needs display module, lid etc. are installed to as on the radiating module matrix of (as with heat radiation aluminium flake, aluminium sheet etc.), in heat radiation is preferably really, also comparatively simple operations on installation procedure, but for matrix as radiating module, also exist on processed complex, the precision and have relatively high expectations, adult is higher, simultaneously owing to there is the not enough problem of stability very little in surface of contact between display screen unit.
Summary of the invention
The objective of the invention is to overcome the shortcoming and defect of prior art, a kind of LED display is provided, the present invention has good stability, thermal diffusivity is good, cost is lower, debugging is convenient, advantages of simple structure and simple.
The present invention is achieved through the following technical solutions: a kind of LED display, form by the splicing of display screen erecting frame by several display screen units, described display screen unit comprises display module, display screen box body, heat abstractor and coupling arrangement, described display module links to each other with display screen box body by coupling arrangement, and display screen box body links to each other with heat abstractor by coupling arrangement; Described display screen box body is the space frame structure that is combined by 10 orthogonal frame members, and each frame member is fixed by web member, and described web member is connected with frame member by securing member.
Preferably, described coupling arrangement is rivet, latch, screw or bolt.
Preferably, described display screen box body is the space frame structure that is combined by 10 orthogonal frame members, specifically be meant by 4 frame members of growing crosswise, 2 perpendicular long stent spares and 4 short frame members and form, wherein the front of display screen box body is made up of 2 grow crosswise frame member and 2 perpendicular long stent spares, and four angles in described display screen box body front are connected with 2 frame members of growing crosswise by short frame member respectively.
Preferably, described frame member is hollow, U type or L type section bar.
Preferably, described web member is the angle sign indicating number.
Preferably, described securing member is bolt, rivet or latch.
Preferably, after comprising, safeguards described display module LED lamp plate, LED lamp, back maintenance splicing fixed head, power supply and unit controls plate, described power supply is connected with the unit controls plate, described LED lamp is installed on the LED lamp plate, safeguards that LED lamp plate, back safeguard that the splicing fixed head links to each other successively with power supply after described.
Safeguard after described that the LED lamp plate comprises the header board that is used to install the LED lamp, back plate, connector, spring shim, mounting screw and the nut that is used to install components and parts control LED lamp, described header board is connected with the back plate by connector, plate, spring shim, back safeguarded that the splicing fixed head is connected with nut, safeguards the flatness of LED lamp plate on the entire display screen unit after adjusting by setting nut after mounting screw passed successively.
Preferably, described back safeguards that the splicing fixed head is that sheet metal is made, and safeguards the LED lamp plate after being used for fixing, and has heat sinking function.
Preferably, described display module comprises face shield, the preceding LED of maintenance lamp plate, LED lamp, preceding maintenance splicing fixed head, power supply and unit controls plate; Described LED lamp is installed on the LED lamp plate, and the unit controls plate is connected with power supply, and described face shield, the preceding LED of maintenance lamp plate, preceding maintenance splicing fixed head link to each other successively with power supply.
Preferably, described preceding maintenance splicing fixed head is that sheet metal is made, and safeguards the LED lamp plate before being used for fixing, and has heat sinking function
Preferably, described LED display also comprises the back door gear, described back door gear comprises left back door, right back door, hinge, hinge fixed head, middle apron lath and door lock, described left back door is connected with the hinge fixed head by hinge respectively with right back door, and hinge fixed head, middle apron lath are connected with display screen box body respectively.
Preferably, described LED display also comprises the back door gear, and described back door gear comprises back door, hinge, hinge fixed head and door lock, and described back door is connected with the hinge fixed head by hinge, and the hinge fixed head is connected with display screen box body.
Preferably, described heat abstractor comprises radiator fan, louvre and air vent, and described radiator fan is connected with the back door, has louvre and air vent on the back door.
Preferably, described several display screen units are formed by the splicing of display screen erecting frame, be meant that specifically the display screen erecting frame links to each other with lock-screw by set screw with display screen box body in the display screen unit, described display screen erecting frame has oval mounting hole and threaded hole, described set screw is grown crosswise by oval mounting hole and display screen box body, and corresponding threaded hole is threaded on the frame member, and described lock-screw links to each other with display screen box body by the threaded hole of display screen erecting frame.
The present invention compared with prior art has following beneficial effect:
The first, good stability: display screen box body of the present invention and display screen erecting frame all are to be spliced by hollow material, come reinforced frame intensity by web member and securing member, make whole framework more stable;
The second, thermal diffusivity is good: because each display screen box body adopts penetrating space frame structure, therefore provide good ventilating heat dissipating environment;
Three, cost is low: because type sectional dimension just can be guaranteed by mould, add the milling machine processing that only needs man-hour common and get final product, reduced the requirement to process equipment, thereby reduced processing cost.
Four, debugging is convenient: compare heavy, complicated conventional tank structure in the existing design, the present invention has improved the connected mode of display screen erecting frame and display screen box body, when Installation and Debugging, the dismounting of any one display unit is to the not influence of its peripheral display unit.Simultaneously, plate, spring shim, back safeguarded that the splicing fixed head is connected with nut, safeguards the flatness of LED lamp plate on the entire display screen unit after can better adjusting by setting nut after mounting screw passed successively;
Five, simple in structure: the present invention adopts 10 orthogonal frame members to combine, and the material of employing still less makes that the display screen box body structure is simpler, weight is lighter, and stability is better.
Description of drawings
Fig. 1 is a blast structural representation of safeguarding display screen unit after among the embodiment one;
Fig. 2 is a right view of safeguarding display screen unit after among the embodiment one;
Fig. 3 is the partial enlarged drawing of Fig. 2;
Fig. 4 safeguards that display screen unit is installed to the structural representation on the 3X3 display screen erecting frame after being;
Fig. 5 is the broken section enlarged drawing in B-B cross section among Fig. 4;
Fig. 6 is for safeguarding the blast structural representation of display screen unit before in the example two.
The title of parts shown in the figure is as follows:
Safeguard LED lamp plate 2 back maintenance splicing fixed heads 3 display screen box bodies after 1
4 radiator fans, 5 power supplys, 6 left back doors
7 middle apron laths, 8 right back door 9 hinge fixed heads
Safeguard the LED lamp plate before 10 hinges, 11 face shields 12
Safeguard splicing fixed head 14 spring shims 15 display screen erecting frames before 13
16 lock-screws 17 are installed set screw 101 header boards
102 back plate 103 connectors 104 mounting screws
301 jiaos of sign indicating numbers 302 frame member 302A that grows crosswise installs threaded hole
The oval installation through hole of 15A 15B locking threaded hole
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment one
A kind of LED display, form by 15 splicings of display screen erecting frame by several display screen units, described display screen unit comprises display module, display screen box body 3, heat abstractor and coupling arrangement, described display module links to each other with display screen box body 3 by coupling arrangement, and display screen box body 3 links to each other with heat abstractor by coupling arrangement; Described coupling arrangement comprises rivet, latch, screw or bolt.
Described display screen box body 3 is the space frame structures that combined by 10 orthogonal frame members.Adopt angle sign indicating number 301 fixing between frame member, each frame member is coupled together by being threaded.Described frame member is a hollow material.
Described display screen box body 3 is the space frame structures that combined by 10 orthogonal frame members, specifically be meant by 4 frame members of growing crosswise, 2 perpendicular long stent spares and 4 short frame members and form, wherein the front of display screen box body 3 is made up of 2 grow crosswise frame member and 2 perpendicular long stent spares, and four angles in described display screen box body 3 fronts are connected with 2 frame members 302 of growing crosswise by short frame member respectively.The described frame member 302 of growing crosswise comprises two threaded hole 302A is installed.
As shown in Figure 1, described display screen unit is safeguarded display screen unit after being, safeguard LED lamp plate 1 after the display module of safeguarding display screen unit after described comprises, safeguard that LED lamp, back on the LED lamp plate 1 safeguard splicing fixed head 2, power supply 5 and the unit controls plate (not shown) that is connected with power supply 5 after being installed in, safeguard that LED lamp plate 1, back maintenance splice fixed head 2 and link to each other successively with power supply 5 after described.Described back safeguards that splicing fixed head 2 makes for sheet metal, also has the function of heat radiation when being used for fixing lamp plate.
Power supply 5 in the display module of described display screen unit is to adopt six in the present embodiment.
The back door gear of described display screen unit comprises left back door 6, right back door 8, hinge 10, hinge fixed head 9, middle apron lath 7 and door lock (not shown).
The heat abstractor of described display screen unit comprises radiator fan 4 and louvre and the air vent (not shown) opened on left back door 6 and right back door 8.The radiator fan 4 that adopts in the present embodiment is four.
After safeguard the right view of LED display unit, as shown in Figure 2, wherein Fig. 3 is the partial enlarged drawing of Fig. 2.Safeguard after described that LED lamp plate 1 comprises the header board 101 that the LED lamp is installed, back plate 102, connector 103 and the mounting screw 104 that components and parts control LED lamp is installed, header board 101 is connected and fixed by connector 103 with back plate 102, and plate 102, spring shim 14, back safeguarded that splicing fixed head 2 is connected with nut after mounting screw 104 passed successively.After adjusting, nut on the mounting screw 104 safeguards the flatness of LED lamp plate 1 on the entire display screen unit by being adjusted in.
As shown in Figure 4, wherein Fig. 5 is the broken section enlarged drawing in B-B cross section among Fig. 4.With 4 independently display screen unit be spliced on the display screen erecting frame 15 that three horizontal three a row display screen unit (being 3X3) can be installed.Described display screen erecting frame 15 comprises oval installation through hole 15A and locking threaded hole 15B.When display screen unit is installed on the display screen erecting frame 15, set screw 17 is installed passes on the installation threaded hole 302A of the frame member 302 of growing crosswise that oval installation through hole 15A on the display screen erecting frame 15 screws display screen box body 3 again, the adjustment display screen unit mainly moves by trace about display screen unit to be regulated, and display screen unit about micro-the drive when mobile set screw 17 be installed on oval installation through hole 15A, move, can fastening lock-screw 16 after adjusting, the locking that lock-screw 16 is passed on the display screen erecting frame 15 is connected with display screen box body in the display screen unit with threaded hole 15B, and the friction force by display screen box body in lock-screw 16 and the display screen unit is fixed both.When need are safeguarded dismounting, only need back out set screw 17 to be installed and to unscrew lock-screw 16 and get final product, in addition, because each display screen unit all is independently to be installed on the display screen erecting frame 15, directly install after can directly dismantling or safeguard when therefore any one display screen unit need being safeguarded dismounting, and need not to dismantle its peripheral unit.
Embodiment two
A kind of LED display, form by 15 splicings of display screen erecting frame by several display screen units, described display screen unit comprises display module, display screen box body 3, heat abstractor and coupling arrangement, described display module links to each other with display screen box body 3 by coupling arrangement, display screen box body 3 links to each other with heat abstractor by coupling arrangement, and described coupling arrangement comprises rivet, latch, screw or bolt.
Described display screen box body 3 is the space frame structures that combined by 10 orthogonal frame members.Adopt angle sign indicating number 301 fixing between frame member, each frame member is coupled together by being threaded.Described frame member is a L type section bar.
Described display screen box body 3 is the space frame structures that combined by 10 orthogonal frame members, specifically be meant by 4 frame members of growing crosswise, 2 perpendicular long stent spares and 4 short frame members and form, wherein the front of display screen box body 3 is made up of 2 grow crosswise frame member and 2 perpendicular long stent spares, and four angles in described display screen box body 3 fronts are connected with 2 frame members 302 of growing crosswise by short frame member respectively.The described frame member 302 of growing crosswise comprises two threaded hole 302A is installed.
As shown in Figure 6, described display screen unit is safeguarded display screen unit before being, safeguards that the display module of display screen unit comprises face shield 11, the preceding LED of maintenance lamp plate 12 before described, is installed in the LED lamp on the LED lamp plate, preceding maintenance splicing fixed head 13, power supply 5 and the unit controls plate (not shown) that is connected with power supply 5.Safeguard before described that splicing fixed head 13 makes for sheet metal, also has the function of heat radiation when being used for fixing lamp plate.
Power supply 5 in the display module of described display screen unit is to adopt six in the present embodiment, can adopt one or several according to actual needs in concrete enforcement.
The back door gear of described display screen unit comprises left back door 6, right back door 8, hinge 10, hinge fixed head 9, middle apron lath 7 and door lock (not shown), can adopt single back door or not have the back door according to actual needs in this reality of tool.
The heat abstractor of described display screen unit comprises radiator fan 4 and louvre and the air vent (not shown) opened on left back door 6 and right back door 8.The radiator fan 4 that adopts in the present embodiment is four, can adopt one or several according to actual needs in concrete enforcement.
The foregoing description is a preferred implementation of the present invention; but embodiments of the present invention are not limited by the examples; other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. LED display, form by the splicing of display screen erecting frame by several display screen units, it is characterized in that, described display screen unit comprises display module, display screen box body, heat abstractor and coupling arrangement, described display module links to each other with display screen box body by coupling arrangement, and display screen box body links to each other with heat abstractor by coupling arrangement; Described display screen box body is the space frame structure that is combined by 10 orthogonal frame members, and each frame member is fixed by web member, and described web member is connected with frame member by securing member.
2. according to the described LED display of claim 1, it is characterized in that, described display screen box body is the space frame structure that is combined by 10 orthogonal frame members, specifically be meant by 4 frame members of growing crosswise, 2 perpendicular long stent spares and 4 short frame members and form, wherein the front of display screen box body is made up of 2 grow crosswise frame member and 2 perpendicular long stent spares, and four angles in described display screen box body front are connected with 2 frame members of growing crosswise by short frame member respectively.
3. according to claim 1 or 2 described LED display, it is characterized in that described frame member is hollow, U type or L type section bar.
4. according to claim 1 or 2 described LED display, it is characterized in that described web member is the angle sign indicating number.
5. according to claim 1 or 2 described LED display, it is characterized in that described securing member is bolt, rivet or latch, described coupling arrangement is rivet, latch, screw or bolt.
6. according to the described LED display of claim 1, it is characterized in that, after comprising, safeguards described display module LED lamp plate, LED lamp, back maintenance splicing fixed head, power supply and unit controls plate, described power supply is connected with the unit controls plate, described LED lamp is installed on the LED lamp plate, safeguards that LED lamp plate, back safeguard that the splicing fixed head links to each other successively with power supply after described.
7. according to the described LED display of claim 6, it is characterized in that, safeguard after described that the LED lamp plate comprises the header board that is used to install the LED lamp, back plate, connector, spring shim, mounting screw and the nut that is used to install components and parts control LED lamp, described header board is connected with the back plate by connector, and plate, spring shim, back safeguarded that the splicing fixed head is connected with nut after mounting screw passed successively.
8. according to the described LED display of claim 1, it is characterized in that described display module comprises face shield, the preceding LED of maintenance lamp plate, LED lamp, preceding maintenance splicing fixed head, power supply and unit controls plate; Described LED lamp is installed on the LED lamp plate, and the unit controls plate is connected with power supply, and described face shield, the preceding LED of maintenance lamp plate, preceding maintenance splicing fixed head link to each other successively with power supply.
9. according to the described LED display of claim 1, it is characterized in that, described LED display also comprises the back door gear, described back door gear comprises left back door, right back door, hinge, hinge fixed head, middle apron lath and door lock, described left back door is connected with the hinge fixed head by hinge respectively with right back door, and hinge fixed head, middle apron lath are connected with display screen box body respectively.
10. according to the described LED display of claim 2, it is characterized in that, described several display screen units are formed by the splicing of display screen erecting frame, be meant that specifically the display screen erecting frame links to each other with lock-screw by set screw with display screen box body in the display screen unit, described display screen erecting frame has oval mounting hole and threaded hole, described set screw is grown crosswise by oval mounting hole and display screen box body, and corresponding threaded hole is threaded on the frame member, and described lock-screw links to each other with display screen box body by the threaded hole of display screen erecting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010251307 CN101937630A (en) | 2010-08-11 | 2010-08-11 | LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010251307 CN101937630A (en) | 2010-08-11 | 2010-08-11 | LED display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101937630A true CN101937630A (en) | 2011-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010251307 Pending CN101937630A (en) | 2010-08-11 | 2010-08-11 | LED display screen |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142211A (en) * | 2011-05-09 | 2011-08-03 | 利亚德光电股份有限公司 | LED (light-emitting diode) display device |
| CN102164466A (en) * | 2011-02-22 | 2011-08-24 | 潘尚法 | Light emitting diode (LED) display screen unit box consisting of contained sections |
| CN103065555A (en) * | 2012-12-20 | 2013-04-24 | 张卫东 | Metal substrate box for high-precision light emitting diode (LED) display and processing method of metal substrate box |
| CN104684356A (en) * | 2014-12-26 | 2015-06-03 | 广东威创视讯科技股份有限公司 | Heat radiation structure and LED (light emitting diode) splicing display screen |
| CN104978906A (en) * | 2015-07-28 | 2015-10-14 | 长沙信元电子科技有限公司 | Display module installing plates of LED display screen and assembly units thereof |
| WO2018207273A1 (en) | 2017-05-10 | 2018-11-15 | 三菱電機株式会社 | Multi-display system, video display device, and pulling mechanism |
| CN108829195A (en) * | 2018-05-22 | 2018-11-16 | 温岭市志创网络科技有限公司 | A kind of dedicated method easy to disassemble of computer teaching |
| WO2018216055A1 (en) * | 2017-05-22 | 2018-11-29 | 三菱電機株式会社 | Display module group, display device, and display device production method |
| CN109068114A (en) * | 2018-08-31 | 2018-12-21 | 广州西岛电子科技有限公司 | A kind of ultra-thin DLP display screen of 120 cun of seamless |
| WO2019155510A1 (en) | 2018-02-06 | 2019-08-15 | 三菱電機株式会社 | Multi-display system and video display device |
| US10741107B2 (en) | 2013-12-31 | 2020-08-11 | Ultravision Technologies, Llc | Modular display panel |
| US11788677B2 (en) | 2019-11-26 | 2023-10-17 | Optoma Corporation | Hanger and display device |
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Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102164466A (en) * | 2011-02-22 | 2011-08-24 | 潘尚法 | Light emitting diode (LED) display screen unit box consisting of contained sections |
| CN102142211B (en) * | 2011-05-09 | 2013-05-08 | 利亚德光电股份有限公司 | LED (light-emitting diode) display device |
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| CN103065555A (en) * | 2012-12-20 | 2013-04-24 | 张卫东 | Metal substrate box for high-precision light emitting diode (LED) display and processing method of metal substrate box |
| US10741107B2 (en) | 2013-12-31 | 2020-08-11 | Ultravision Technologies, Llc | Modular display panel |
| CN104684356A (en) * | 2014-12-26 | 2015-06-03 | 广东威创视讯科技股份有限公司 | Heat radiation structure and LED (light emitting diode) splicing display screen |
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| CN104978906A (en) * | 2015-07-28 | 2015-10-14 | 长沙信元电子科技有限公司 | Display module installing plates of LED display screen and assembly units thereof |
| JPWO2018207273A1 (en) * | 2017-05-10 | 2019-11-07 | 三菱電機株式会社 | Multi-display system, video display device and drawer mechanism |
| WO2018207273A1 (en) | 2017-05-10 | 2018-11-15 | 三菱電機株式会社 | Multi-display system, video display device, and pulling mechanism |
| US10635381B2 (en) | 2017-05-10 | 2020-04-28 | Mitsubishi Electric Corporation | Multi-display system, video display device, and pull-out mechanism |
| WO2018216055A1 (en) * | 2017-05-22 | 2018-11-29 | 三菱電機株式会社 | Display module group, display device, and display device production method |
| JPWO2018216055A1 (en) * | 2017-05-22 | 2019-11-07 | 三菱電機株式会社 | Display module group, display device, and manufacturing method of display device |
| CN110651319A (en) * | 2017-05-22 | 2020-01-03 | 三菱电机株式会社 | Display module group, display device and manufacturing method of display device |
| US11573613B2 (en) * | 2017-05-22 | 2023-02-07 | Mitsubishi Electric Corporation | Display module group, display device, and display device production method |
| WO2019155510A1 (en) | 2018-02-06 | 2019-08-15 | 三菱電機株式会社 | Multi-display system and video display device |
| CN108829195B (en) * | 2018-05-22 | 2020-01-03 | 温岭市志创网络科技有限公司 | Convenient disassembly method special for computer teaching |
| CN108829195A (en) * | 2018-05-22 | 2018-11-16 | 温岭市志创网络科技有限公司 | A kind of dedicated method easy to disassemble of computer teaching |
| CN109068114A (en) * | 2018-08-31 | 2018-12-21 | 广州西岛电子科技有限公司 | A kind of ultra-thin DLP display screen of 120 cun of seamless |
| CN109068114B (en) * | 2018-08-31 | 2021-02-02 | 广州西岛电子科技有限公司 | 120 ultrathin DLP display screen of very little no piece |
| US11788677B2 (en) | 2019-11-26 | 2023-10-17 | Optoma Corporation | Hanger and display device |
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Application publication date: 20110105 |