CN105546393B - A kind of lamp bar for reducing cushion block shadow, backlight module, display and TV - Google Patents
A kind of lamp bar for reducing cushion block shadow, backlight module, display and TV Download PDFInfo
- Publication number
- CN105546393B CN105546393B CN201610002721.5A CN201610002721A CN105546393B CN 105546393 B CN105546393 B CN 105546393B CN 201610002721 A CN201610002721 A CN 201610002721A CN 105546393 B CN105546393 B CN 105546393B
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- Prior art keywords
- cushion block
- led light
- spacing
- shadow
- adjacent
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S4/00—Lighting devices or systems using a string or strip of light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a kind of lamp bar for reducing cushion block shadow, backlight module, display and TV, by setting multiple cushion block units in lamp bar；Each cushion block unit includes multiple LED light and one and is arranged on cushion block between LED light, to be used to support light guide plate；Spacing between adjacent two LED light of the cushion block side gradually increases, and the spacing between adjacent two LED light of the cushion block opposite side is gradually reduced.For the present invention by the way that the spacing between LED light is provided with slight change, avoiding the spacing between LED light and changing greatly leads to bright dark clearly demarcated shadow problem.Simultaneously without modifying to light guide plate mesh point, shadow is covered without diaphragm is increased, saves production cost.
Description
Technical field
The present invention relates to back light model setting technology field more particularly to a kind of lamp bar for reducing cushion block shadow, backlights
Module, display and TV.
Background technology
At present, the backlight product of side-light type patch or pastes cushion block and supports light guide plate, can also effectively control in lamp bar
Light guide plate processed and LED light surface gap, make backlight product reach high brightness, superior price-performance.The size of cushion block is usually
3.0mm*2.0mm, and place cushion block between equidistant two LED lamp in the prior art, on light guide plate with cushion block corresponding position
There is shadow.As shown in Figure 1, placing cushion block 20 between LED light 10, then the corresponding position on light guide plate 30 of cushion block 20 has shadow.
If use printing, radium-shine light guide plate mesh point repairing technique, it usually needs repeatedly modification.It please refers to Fig.2, after modification
Site diameter on light guide plate 30 with 20 corresponding site 31 of cushion block becomes larger, and the site modification process of the light guide plate is complicated, sternly
Ghost image rings the development cycle.If using hot-pressing light guide plate, idler wheel halftone cost of modification is higher, and development cost is caused to increase.
If as shown in figure 3, cover the shadow of cushion block 20, product cost raising by increasing diaphragm 40 in backlight module.
Therefore, the prior art has yet to be improved and developed.
Invention content
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of lamp bar for reducing cushion block shadow,
Backlight module, display and TV, it is intended to solve to place pad in backlight module in the prior art between equidistant two LED lamp
The defects of block has shadow on light guide plate with cushion block corresponding position, and the shadow is not easy to eliminate.
Technical scheme is as follows：
A kind of lamp bar for reducing cushion block shadow, wherein, including multiple cushion block units；Each cushion block unit includes multiple
LED light and one are arranged on cushion block between LED light, to be used to support light guide plate；Adjacent two LED light of the cushion block side
Between spacing gradually increase, the spacing between adjacent two LED light of the cushion block opposite side is gradually reduced.
The lamp bar for reducing cushion block shadow, wherein, the spacing between adjacent two LED light on the left of the cushion block is gradual
Increase, the spacing between adjacent two LED light on the right side of the cushion block is gradually reduced.
The lamp bar for reducing cushion block shadow, wherein, the spacing between adjacent two LED light on the left of the cushion block press from
The direction of left-to-right is in equal difference incremental variations.
The lamp bar for reducing cushion block shadow, wherein, the spacing between adjacent two LED light on the left of the cushion block is in etc.
The tolerance of poor incremental variations is 0.1mm.
The lamp bar for reducing cushion block shadow, wherein, the spacing between adjacent two LED light on the right side of the cushion block press from
Successively decrease variation in equal difference in the direction of left-to-right.
The lamp bar for reducing cushion block shadow, wherein, the spacing between adjacent two LED light on the right side of the cushion block is in etc.
The tolerance of poor incremental variations is 0.1mm.
A kind of backlight module, wherein, including the lamp bar for reducing cushion block shadow.
A kind of display, wherein, including the lamp bar for reducing cushion block shadow.
A kind of TV, wherein, including the lamp bar for reducing cushion block shadow.
Advantageous effect：The present invention in lamp bar by setting multiple cushion block units；Each cushion block unit includes multiple LED
Lamp and one are arranged on cushion block between LED light, to be used to support light guide plate；Between adjacent two LED light of the cushion block side
Spacing gradually increase, the spacing between adjacent two LED light of the cushion block opposite side is gradually reduced.The present invention is by by LED
Spacing between lamp is provided with slight change, and avoiding the spacing between LED light and changing greatly leads to bright dark clearly demarcated shadow
Problem.Simultaneously without modifying to light guide plate mesh point, shadow is covered without diaphragm is increased, saves production cost.
Description of the drawings
Fig. 1 generates the schematic diagram of shadow for the cushion block in backlight module lamp bar in the prior art；
Fig. 2 is the partial schematic diagram after the light guide plate mesh point for changing backlight module in the prior art；
Fig. 3 is to increase the partial schematic diagram of diaphragm in backlight module in the prior art；
Fig. 4 a are the schematic diagram of the lamp bar of the present invention for reducing cushion block shadow；
Fig. 4 b are the schematic diagram of cushion block unit in Fig. 4 a；
Fig. 5 is the sectional view of backlight module of the present invention.
Specific embodiment
The present invention provides a kind of lamp bar for reducing cushion block shadow, backlight module, display and TV, to make the present invention's
Purpose, technical solution and effect are clearer, clear and definite, and the present invention is described in more detail below.It should be appreciated that this place is retouched
The specific embodiment stated is only used to explain the present invention, is not intended to limit the present invention.
Fig. 4 a and Fig. 4 b are referred to, wherein Fig. 4 a are the schematic diagram of the lamp bar of the present invention for reducing cushion block shadow, are schemed
4b is the schematic diagram of cushion block unit in Fig. 4 a.As shown in figures 4 a and 4b, the lamp bar 1000 for reducing cushion block shadow, including
Multiple cushion block units 100；Each cushion block unit 100 include multiple LED light 110 and one be arranged on it is between LED light 110, use
In the cushion block 120 of support light guide plate；Spacing between adjacent two LED light of 120 side of cushion block gradually increases, the cushion block
Spacing between adjacent two LED light of 120 opposite sides is gradually reduced.
In figs. 4 a and 4b, it is only illustrated with including the lamp bar of a cushion block unit 100, and to adjacent two LED light
Between spacing be labeled（The unit of distance values between adjacent two LED light is mm）.To adjacent two LED in Fig. 4 a and Fig. 4 b
Spacing between lamp, which is labeled, is given for example only explanation, and being not used to restriction lamp bar need to be by Fig. 4 a and Fig. 4 b in actual production
Standard come produce namely adjacent two LED light between spacing can arbitrarily set.
As shown in figures 4 a and 4b, when by adjacent two LED light of 120 side of cushion block described in each cushion block unit 100 it
Between spacing gradually increase, the spacing between adjacent two LED light of 120 opposite side of cushion block is gradually reduced, then may be such that LED
The light that lamp 110 enters light guide plate 130 is slowly varying, avoids larger bright dark variation and causes the bad subjective vision effect of shadow
Problem.
Preferably, as shown in figures 4 a and 4b, the spacing between adjacent two LED light in 120 left side of cushion block gradually increases
Greatly, the spacing between adjacent two LED light on 120 right side of cushion block is gradually reduced.More specifically, on the left of the cushion block 120
Spacing between adjacent two LED light by direction from left to right in equal difference incremental variations, and adjacent the two of 120 left side of the cushion block
The tolerance that spacing between LED light is in equal difference incremental variations is 0.1mm.Between adjacent two LED light on 120 right side of cushion block
Spacing is successively decreased variation by direction from left to right in equal difference, and the spacing between adjacent two LED light on 120 right side of the cushion block is in
The tolerance of equal difference incremental variations is 0.1mm.
Understand technical scheme of the present invention in order to clearer, illustrate below by a specific embodiment.In existing skill
In the backlight module of 55E6200 models, cushion block and above-mentioned two adjacent LED light will be provided in art between two adjacent LED light
Between spacing be 9.7mm, be equidistant 8.28mm between other two adjacent LED light.By above-mentioned setting, on light guide plate with
Cushion block corresponding position has shadow.When the lamp bar for reducing cushion block shadow by using of the present invention so that LED light enters
The light of light guide plate is slowly varying, avoids larger bright dark variation and causes the bad subjective vision effect problem of shadow, specifically sets
It puts as shown in table 1.
Table 1
Cushion block 1 is provided between the LED light that the LED light for being D9 and number are D10 is numbered, the LED light for being D28 in number
And number be D29 LED light between be provided with cushion block 2, number be D46 LED light and number be D47 LED light between set
It is equipped with cushion block 3.When it is implemented, the LED light that number is D1-D66 is set gradually from left to right in lamp bar.As it can be seen that in cushion block 1
For spacing between the LED light that the number in left side is D4-D9 in equal difference incremental variations, the number on 1 right side of cushion block is D10-D18's
Spacing between LED light is successively decreased variation in equal difference；Spacing between the LED light that the number in the left side of cushion block 2 is D19-D28 is in etc.
Poor incremental variations, the right side of cushion block 2 number be D29-D37 LED light between spacing successively decrease variation in equal difference；In cushion block 3
For spacing between the LED light that the number in left side is D38-D46 in equal difference incremental variations, the number on 3 right side of cushion block is D47-D56
LED light between spacing successively decrease variation by above-mentioned set-up mode in equal difference, effectively solve ground the bad of side lamp item and ask
Topic.
Based on the above-mentioned lamp bar for reducing cushion block shadow, the present invention also provides a kind of backlight modules.As shown in figure 5, institute
It states backlight module and includes backboard 2000 and the lamp bar 1000 for reducing cushion block shadow being arranged on the backboard 2000.
Based on the above-mentioned lamp bar for reducing cushion block shadow, the present invention also provides a kind of displays, subtract including described
The lamp bar of few cushion block shadow.
Based on the above-mentioned lamp bar for reducing cushion block shadow, the present invention also provides a kind of TVs, are reduced including described
The lamp bar of cushion block shadow.
In conclusion the present invention in lamp bar by setting multiple cushion block units；Each cushion block unit includes multiple LED
Lamp and one are arranged on cushion block between LED light, to be used to support light guide plate；Between adjacent two LED light of the cushion block side
Spacing gradually increase, the spacing between adjacent two LED light of the cushion block opposite side is gradually reduced.The present invention is by by LED
Spacing between lamp is provided with slight change, and avoiding the spacing between LED light and changing greatly leads to bright dark clearly demarcated shadow
Problem.Simultaneously without modifying to light guide plate mesh point, shadow is covered without diaphragm is increased, saves production cost.
It should be understood that the application of the present invention is not limited to the above, it for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor that the present invention locks claim
Protect range.
Claims (6)
1. a kind of lamp bar for reducing cushion block shadow, which is characterized in that including multiple cushion block units；Each cushion block unit includes more
A LED light and one are arranged on cushion block between LED light, to be used to support light guide plate；Adjacent two LED of the cushion block side
Spacing between lamp gradually increases, and the spacing between adjacent two LED light of the cushion block opposite side is gradually reduced；
The spacing between adjacent two LED light on the left of the cushion block gradually increases, between adjacent two LED light on the right side of the cushion block
Spacing be gradually reduced；
The spacing between adjacent two LED light on the left of the cushion block is by direction from left to right in equal difference incremental variations；
The spacing between adjacent two LED light on the right side of the cushion block is successively decreased variation by direction from left to right in equal difference.
2. the lamp bar of cushion block shadow can be reduced according to claim 1, which is characterized in that adjacent two on the left of the cushion block
The tolerance that spacing between LED light is in equal difference incremental variations is 0.1mm.
3. the lamp bar of cushion block shadow can be reduced according to claim 1, which is characterized in that adjacent two on the right side of the cushion block
The tolerance that spacing between LED light is in equal difference incremental variations is 0.1mm.
4. a kind of backlight module, which is characterized in that including as described in claim 1-3 any one reduce cushion block shadow
Lamp bar.
5. a kind of display, which is characterized in that including the lamp for reducing cushion block shadow as described in claim 1-3 any one
Item.
6. a kind of TV, which is characterized in that including the lamp for reducing cushion block shadow as described in claim 1-3 any one
Item.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610002721.5A CN105546393B (en) | 2016-01-06 | 2016-01-06 | A kind of lamp bar for reducing cushion block shadow, backlight module, display and TV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610002721.5A CN105546393B (en) | 2016-01-06 | 2016-01-06 | A kind of lamp bar for reducing cushion block shadow, backlight module, display and TV |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105546393A CN105546393A (en) | 2016-05-04 |
| CN105546393B true CN105546393B (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610002721.5A Active CN105546393B (en) | 2016-01-06 | 2016-01-06 | A kind of lamp bar for reducing cushion block shadow, backlight module, display and TV |
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| Country | Link |
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| CN (1) | CN105546393B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110032000B (en) * | 2019-03-20 | 2022-08-02 | 海信视像科技股份有限公司 | Optical element, backlight module and display device |
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| CN101737670A (en) * | 2009-12-11 | 2010-06-16 | 安徽华东光电技术研究所 | Direct-side lighting combined hybrid backlight |
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| CN102042533A (en) * | 2009-10-22 | 2011-05-04 | 友达光电股份有限公司 | Backlight module |
| CN102713411A (en) * | 2010-01-22 | 2012-10-03 | 夏普株式会社 | Lighting device, display device, and television receiver |
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| CN105546393A (en) | 2016-05-04 |
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