CN101865380A - Electronic lighting device - Google Patents
Electronic lighting device Download PDFInfo
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- CN101865380A CN101865380A CN 201010185306 CN201010185306A CN101865380A CN 101865380 A CN101865380 A CN 101865380A CN 201010185306 CN201010185306 CN 201010185306 CN 201010185306 A CN201010185306 A CN 201010185306A CN 101865380 A CN101865380 A CN 101865380A
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- power supply
- supply line
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Abstract
The invention provides an electronic lighting device, comprising a bright area, a wiring area and a control area. The bright area comprises a plurality of light-emitting blocks and a plurality of power supplying wires of the bright area; each light-emitting block uses at least one light-emitting element as a light source and is electrically coupled to the corresponding power supplying wire of the bright area. The wiring area comprises a plurality of power supplying wires of the wiring area; each power supplying wire of the wiring area is electrically coupled to the corresponding power supplying wire of the bright area. The control area controls the electric power to the power supplying wire of the wiring area. The impendence difference from the light-emitting blocks to the control area is controlled within 20% by adjusting the widths of any power supplying wire of the bright area and the corresponding power supplying wire of the wiring area, or adjusting the length of any power supplying wire of the wiring area.
Description
Technical field
The invention relates to a kind of electronic lighting device, and particularly relevant for a kind of luminous uniform electronic lighting device.
Background technology
Along with development of science and technology, the range of application of electronic lighting device is more and more wider, for example, electronic lighting device as backlight liquid crystal display module (Backlight Module) be applied to LCD (Liquid Crystal Display, LCD) in.
See also Fig. 1, it is the schematic diagram of known electronic lighting device.As shown in Figure 1, existing electronic lighting device 10 comprises bright district 11 and control zone 12.Wherein, bright district 11 is made of a plurality of light-emitting blocks 13, and each light-emitting blocks 13 uses at least one light-emitting component as light source, and each light-emitting blocks 13 is electrically coupled to control zone 12 by the power supply line 14 of a correspondence, carries out luminous thereby the driving signal that send control zone 12 is transferred to each light-emitting blocks 13 to drive each light-emitting blocks 13.
But, because power supply line 14 length that each light-emitting blocks 13 is electrically coupled between the control zone 12 have nothing in common with each other, therefore the resistance of power supply line 14 has nothing in common with each other, its energy that consumes when transmission drives signal also has nothing in common with each other, the attenuation degree that is the driving signal of transmission in the power supply line 14 has nothing in common with each other, then each light-emitting blocks 13 received driving signal also has nothing in common with each other, therefore the light intensity that sends of each light-emitting blocks 13 also has nothing in common with each other, and causes the brightness irregularities of electronic lighting device 10.
Summary of the invention
Purpose of the present invention is to provide a kind of electronic lighting device exactly, and it has brightness uniformly.
The present invention proposes a kind of electronic lighting device, and it comprises bright district, cabling district and control zone.Bright district comprises a plurality of light-emitting blocks and many bright district power supply lines, wherein each light-emitting blocks uses at least one light-emitting component as light source, one of and bright district power supply line is arranged in the bright district, and these bright district power supply lines of each light-emitting blocks electric property coupling.The cabling district comprises many many cabling district power supply lines that are arranged in it, and each cabling district power supply line is electrically coupled to one of these bright district power supply lines.The control zone is electrically coupled to these cabling district power supply lines to provide electrical power to these cabling district power supply lines.Wherein, by adjusting width of arbitrary these bright district's power supply lines and corresponding these cabling district power supply lines, or the length of arbitrary these cabling district power supply lines, make these light-emitting blocks to the electric power resistance difference between the control zone in 20%.
In preferred embodiment of the present invention, above-mentioned bright district power supply line and corresponding cabling district power supply line be connected the trace width of length than the elder, greater than the trace width that connects the length shorter one.Preferably, these light-emitting blocks to the electric power resistance difference between the control zone is adjusted in 5%.
In preferred embodiment of the present invention, with the length of the cabling district power supply line of air line distance shorter one's electric property coupling of these light-emitting blocks middle distance control zones, greater than with the air line distance of these light-emitting blocks middle distance control zones length than the cabling district power supply line of elder's electric property coupling.
In preferred embodiment of the present invention, above-mentioned light-emitting component is a light emitting diode.Preferably, each bright district power supply line is electrically coupled to an end of light-emitting component.
In preferred embodiment of the present invention, these bright district power supply lines are not crisscross arranged with these light-emitting blocks on first direction, then are crisscross arranged with these light-emitting blocks on second direction.
Electronic lighting device of the present invention can be by adjusting the width of bright district's power supply line and cabling district power supply line, perhaps adjust the length of cabling district power supply line, thereby make the resistance of the power supply line between each light-emitting blocks and the control zone roughly the same, then the driving signal accepted of each light-emitting blocks is roughly the same so that electronic lighting device has uniform brightness.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 is the schematic diagram of known electronic lighting device.
Fig. 2 is the schematic diagram of the electronic lighting device that first embodiment of the invention disclosed.
Fig. 3 is the circuit diagram of electronic lighting device shown in Figure 2.
Fig. 4 is the schematic diagram of the electronic lighting device that second embodiment of the invention disclosed.
Drawing reference numeral:
10,100,200: electronic lighting device
11,110,210: bright district
12,130,230: the control zone
120,220: the cabling district
13,111,211: light-emitting blocks
14: power supply line
112,212: bright district power supply line
121,221: cabling district power supply line
The specific embodiment
See also Fig. 2, it is for the schematic diagram of the electronic lighting device that first embodiment of the invention disclosed.As shown in Figure 2, electronic lighting device 100 comprises bright district 110, cabling district 120 and control zone 130.Wherein bright district 110 comprises a plurality of light-emitting blocks 111 and many bright district power supply lines 112, each light-emitting blocks 111 uses at least one light-emitting component as light source, this light-emitting component for example can be light emitting diode (light-emitting diode, LED) or Organic Light Emitting Diode (organiclight-emitting diode, OLED).Bright district power supply line 112 is arranged in the bright district 110, and each light-emitting blocks 111 is electrically coupled to the bright district power supply line 112 of a correspondence.
Many cabling district power supply lines 121 are set in the cabling district 120, and every cabling district power supply line 121 is electrically coupled between the bright district power supply line 112 and control zone 130 of a correspondence, with by the bright district power supply line 112 that corresponds to each other and cabling district power supply line 121 and the control signal that control zone 120 is sent is transferred to each light-emitting blocks 111.
In other words, each light-emitting blocks 111 is electrically coupled to control zone 130 by the power supply line of a correspondence, and each power supply line is because be divided into bright district's power supply line 112 and cabling district power supply line 121 through becoming clear district 110 and cabling district 120 respectively according to zone of living in.Particularly, the bright district power supply line 112 in bright district 110 extends from each light-emitting blocks 111 along direction X, extends along direction Y then, is electrically coupled to corresponding cabling district power supply line 121 then.That is to say, bright district power supply line 112 and light-emitting blocks 111 interlaced setting on direction X in the bright district 110, and on direction Y, be arranged in parallel.Can avoid each light-emitting blocks 111 pairing bright district power supply line 112 staggered by this with other light-emitting blocks 111 or other bright district power supply line 112.
As shown in Figure 2, have nothing in common with each other with the length of the power supply line of each light-emitting blocks 111 electric property coupling, therefore also have nothing in common with each other with the width of the corresponding power supply line (comprising bright district's power supply line 112 and cabling district power supply line 121) of each light-emitting blocks 111 electric property coupling in the present embodiment, and the length of power supply line is long more, and its width is also wide more.That is to say that the electronic lighting device of present embodiment is to reduce the influence of the length of power supply line to its resistance by the width of adjusting power supply line, make the resistance convergence of each bar power supply line or reach consistent.The electronic lighting device of present embodiment is by the width of adjusting each bar power supply line the resistance difference of each bar power supply line to be maintained in 20%, and preferably, the resistance difference of each bar power supply line maintains in 5%.
See also Fig. 3, it is the circuit diagram of electronic lighting device shown in Figure 2.As shown in Figure 3, the resistance of each light-emitting blocks 111 is respectively R13, R23 ... the resistance of the bright district power supply line 112 of Rn3 and 111 electric property couplings of each light-emitting blocks is respectively R12, R22 ... Rn2; The resistance of the cabling district power supply line 121 of 112 electric property couplings of every bright district's power supply line is respectively R11, R21 ... Rn1.The power supply device 100 of present embodiment is by adjusting the width of bright district power supply line 112 and cabling district power supply line 121, thus make its resistance and (R11+R12), (R21+R22) ... (Rn1+R22) difference can maintain in 20%.Like this, the 130 driving signals that sent are through corresponding bright district power supply line 112 with cabling district power supply line 121 and after arriving each light-emitting blocks 111 from the control zone, and its difference also can maintain 20% with interior and make the luminous intensity of each light-emitting blocks 111 roughly the same.
Certainly, it will be understood by those skilled in the art that, the present invention also can only adjust the bright district power supply line 111 in the bright district 110 or the width of the cabling district power supply line 121 in the cabling district 120, the width of the part of perhaps bright district's power supply line 111 or cabling district power supply line 121, if make each light-emitting blocks 111 pairing bright district power supply line 112 with the resistance of cabling district power supply line 121 and (R11+R12), (R21+R22) ... (Rn1+R22) be close and get final product.
See also Fig. 4, it is for the schematic diagram of the electronic lighting device that second embodiment of the invention disclosed.As shown in Figure 4, electronic lighting device 200 is similar to electronic lighting device 100 shown in Figure 2, its difference is, the width of each cabling district power supply line 221 in the bright district of each in the bright district 210 power supply line 212 and the cabling district 220 is consistent, and the length of each cabling district power supply line 221 in the cabling district 220 has nothing in common with each other.Particularly, apart from control zone 230 light-emitting blocks 211 far away more, the length that its pairing cabling district power supply line 221 winds the line in cabling district 220 is more little; Otherwise, the light-emitting blocks 211 near more apart from control zone 230, the length that its pairing cabling district power supply line 221 winds the line in cabling district 220 is big more.
That is to say, the bright district power supply line in correspondence with each other 212 of 230 settings of each light-emitting blocks 211 and control zone and the length summation convergence of cabling district power supply line 221 or identical, thus, can make the resistance of bright district power supply line 212 and cabling district power supply line 221 and basic identical.Preferably, its resistance and difference can maintain in 20%.
In sum, electronic lighting device of the present invention can be by adjusting the width of bright district's power supply line and cabling district power supply line, perhaps adjust the length of cabling district power supply line, thereby make the resistance of the power supply line between each light-emitting blocks and the control zone roughly the same, the driving signal that then each light-emitting blocks received is roughly the same so that electronic lighting device obtains uniform brightness.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; anyly have the knack of this skill person; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is when looking being as the criterion that the accompanying Claim scope defined.
Claims (7)
1. an electronic lighting device is characterized in that, described device comprises:
One bright district, described bright district comprises:
A plurality of light-emitting blocks, each light-emitting blocks use at least one light-emitting component as light source; And
Many bright district power supply lines be arranged in the described bright district, and each light-emitting blocks are electrically coupled to one of described bright district power supply line;
One cabling district, described cabling district comprise many cabling district power supply lines, and each bar cabling district power supply line is electrically coupled to one of described bright district power supply line; And
One control zone is electrically coupled to described cabling district power supply line to provide electrical power to described cabling district power supply line;
Wherein, by adjusting the width of arbitrary bright district power supply line and corresponding cabling district power supply line, or the length of arbitrary cabling district power supply line, make described light-emitting blocks extremely the electric power resistance difference between the described control zone in 20%.
2. electronic lighting device as claimed in claim 1 is characterized in that, described bright district power supply line and corresponding cabling district power supply line be connected the trace width of length than the elder, greater than the trace width that connects the length shorter one.
3. electronic lighting device as claimed in claim 2 is characterized in that, described light-emitting blocks to the electric power resistance difference between the described control zone is adjusted in 5%.
4. electronic lighting device as claimed in claim 1, it is characterized in that, with the length of the cabling district power supply line of air line distance shorter one's electric property coupling of the described control zone of described light-emitting blocks middle distance, greater than with the air line distance of the described control zone of described light-emitting blocks middle distance length than the cabling district power supply line of elder's electric property coupling.
5. electronic lighting device as claimed in claim 1 is characterized in that, described at least one light-emitting component is a light emitting diode.
6. electronic lighting device as claimed in claim 5 is characterized in that, the bright district of each bar power supply line is electrically coupled to an end of described at least one light-emitting component.
7. electronic lighting device as claimed in claim 1, it is characterized in that, described bright district power supply line is not crisscross arranged with described light-emitting blocks on a first direction, and described bright district power supply line is crisscross arranged with described light-emitting blocks on a second direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010185306 CN101865380A (en) | 2010-05-20 | 2010-05-20 | Electronic lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010185306 CN101865380A (en) | 2010-05-20 | 2010-05-20 | Electronic lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101865380A true CN101865380A (en) | 2010-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010185306 Pending CN101865380A (en) | 2010-05-20 | 2010-05-20 | Electronic lighting device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110221476A (en) * | 2019-05-27 | 2019-09-10 | 青岛海信电器股份有限公司 | A kind of backlight module and display device |
| CN110649059A (en) * | 2019-09-30 | 2020-01-03 | 京东方科技集团股份有限公司 | Backlight source display method and device |
| WO2020227861A1 (en) * | 2019-05-10 | 2020-11-19 | 京东方科技集团股份有限公司 | Light-emitting driving substrate and manufacturing method therefor, light-emitting substrate, and display device |
| CN114387921A (en) * | 2022-02-23 | 2022-04-22 | 京东方科技集团股份有限公司 | Display circuit and display device |
| CN114660863A (en) * | 2022-03-04 | 2022-06-24 | 滁州惠科光电科技有限公司 | Array substrate, driving method, design method and display panel |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101498852A (en) * | 2009-03-17 | 2009-08-05 | 华映光电股份有限公司 | Wiring structure and display panel employing the same |
| CN101520988A (en) * | 2008-02-27 | 2009-09-02 | 株式会社日立显示器 | Display device |
-
2010
- 2010-05-20 CN CN 201010185306 patent/CN101865380A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101520988A (en) * | 2008-02-27 | 2009-09-02 | 株式会社日立显示器 | Display device |
| CN101498852A (en) * | 2009-03-17 | 2009-08-05 | 华映光电股份有限公司 | Wiring structure and display panel employing the same |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020227861A1 (en) * | 2019-05-10 | 2020-11-19 | 京东方科技集团股份有限公司 | Light-emitting driving substrate and manufacturing method therefor, light-emitting substrate, and display device |
| US11588085B2 (en) | 2019-05-10 | 2023-02-21 | Boe Technology Group Co., Ltd. | Light emitting drive substrate and manufacturing method thereof, light emitting substrate and display device |
| CN110221476A (en) * | 2019-05-27 | 2019-09-10 | 青岛海信电器股份有限公司 | A kind of backlight module and display device |
| CN110649059A (en) * | 2019-09-30 | 2020-01-03 | 京东方科技集团股份有限公司 | Backlight source display method and device |
| CN110649059B (en) * | 2019-09-30 | 2022-04-15 | 京东方科技集团股份有限公司 | Backlight source display method and device |
| CN114387921A (en) * | 2022-02-23 | 2022-04-22 | 京东方科技集团股份有限公司 | Display circuit and display device |
| CN114660863A (en) * | 2022-03-04 | 2022-06-24 | 滁州惠科光电科技有限公司 | Array substrate, driving method, design method and display panel |
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Open date: 20101020 |