CN2788226Y - LCD backlight source optical component - Google Patents
LCD backlight source optical component Download PDFInfo
- Publication number
- CN2788226Y CN2788226Y CN 200520108524 CN200520108524U CN2788226Y CN 2788226 Y CN2788226 Y CN 2788226Y CN 200520108524 CN200520108524 CN 200520108524 CN 200520108524 U CN200520108524 U CN 200520108524U CN 2788226 Y CN2788226 Y CN 2788226Y
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- curvature
- lcd backlight
- arc
- optical module
- phacoid
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Abstract
The utility model relates to an LCD backlight source optical component which can cause the angular region covered by emergent ray of LED light source to be wider. The LCD backlight source optical component includes a lenticle. The lenticle presents a shape of hemispherical body circular arc, and equipped with an inlet light side and an outlet light side. The inlet light side presents the shape of circular arc convex side, and its curvature is shortened gradually from the central-axis to the outside; however, the outlet light side presents the shape of arc concave surface, and its curvature is greatened gradually from the central-axis to the outside.
Description
Technical field
The utility model relates to a kind of LCD, and (liquid crystal display, LCD) backlight especially relate to the more wide LCD backlight optical module of a kind of angular range that the led light source emergent ray is contained.
Background technology
LCD is owing to have in light weight, the characteristic that volume is little, therefore by the display device of mini-plants such as past mobile computer, progressively use and the existing trend that replaces traditional C RT screen or TV, it is also along with the performance of spare part improves, make specifications such as LCD panel size, brightness, contrast, also improve all the time promote in the middle of.Wherein, under the growth requirement of large LCD, the image contrast of watching visual angle, distinctness of enough video picture brightness, broadness and long serviceable life, become the topmost emphasis of research and development, thereby under this kind standard-required, the backlight module form of straight-down negative just becomes the technology main flow of large LCD development.
The backlight module of existing straight-down negative sees also Fig. 1, and general LCD provides the backlight module 20 of light source to be constituted by the liquid crystal panel 10 of the first half with Lower Half.Backlight module 20 mainly comprises a prismatic lens 21, a diffusion barrier 22, a light guide plate 23, a reflex housing 24 and a light source 25.The light source 24 of the direct type backlight module that is used in comprises electroluminescence (EL), cold-cathode fluorescence lamp (CCFL), emission of cathode lamp (CCL) or metal-halide lamp etc. at present, and is wherein most widely used with cold-cathode fluorescence lamp.Prismatic lens 21 and diffusion barrier 22 that the light that light source 24 is launched directly penetrates light guide plate 23 and has light distribution effect, and can penetrate by backlight module 10 surfaces uniformly, and transmission enters in the liquid crystal panel 10.
Direct type backlight module with general use cold-cathode fluorescence lamp is compared with side light type back light module, because of the former is provided with more fluorescent tube number, and light can directly penetrate light guide plate (some even be not provided with light guide plate), can avoid the leakage of some sidelights, and whole briliancy and luminous efficacy are significantly promoted.Yet, when the fluorescent tube number increases, the heat energy that it produced is also more, the temperature that caused also raises can to liquid crystal molecule or chromatic photoresist exerts an influence, and the phenomenon of color mutation is arranged, usually the thickness of backlight module must be increased, lowering this kind interference, thereby have to strengthen the thickness volume of LCD.In addition, arranged evenly between fluorescent tube quite be easy to generate the situation of light and shade striped, and degree of registration produces certain influence.
Therefore once there was the backlight module that utilizes led light source to replace cold-cathode fluorescence lamp to produce, volume is little, heat production is low, power consumption is low, the characteristic of long service life because led light source has, add recent improvement of Manufacturing Technology, its luminosity constantly promotes, and its manufacturing cost also reduces gradually, progressively be applied in the various light fixture at present, future, led light source more may replace present bulb or daylight lamp source, and become most important luminescence component in the light fixture, but the problem that still has it to exist as the LCD backlight with led light source.See also Fig. 2, now with 2 θ
1/2Surface adhesion type (SMD) led light source 30 that is 120 degree is example (θ
1/2Mean that the LED luminous intensity values is that axial strength is worth this direction of a half and axial angle, 2 times of θ
1/2Be the visual angle), itself and irradiating surface are under the situation of X in distance, calculate if shine the illumination that can contain in the circumference range that diameter is an X length with it, can only reach 65% uniformity coefficient.Therefore, under the demand of certain uniformity coefficient, its area that can contain is narrower, also can be evenly if desire to make its light area to be abound with, and it just must be provided with considerable led light source on large size panel, and this will expend suitable cost; If number deficiency is set, then can't overcome aforementioned light and dark every and the disappearance of uneven illumination, and have influence on the quality of video picture.
The utility model content
Utilize the high heat production of cold-cathode fluorescence lamp and spend relatively poor shortcoming together for improving known LCD backlight, the utility model will provide a kind of phacoid of cooperated with LED light source, backlight optical module as the LCD backlight, the range of exposures of led light source under certain uniformity coefficient condition increased, even in this scope, promote its irradiation uniformity coefficient, and can reduce the number that LED is provided with in the backlight module simultaneously, to reduce the cost of manufacture of backlight module.
LCD backlight optical module of the present utility model, comprise: a phacoid, it is circular-arc that this phacoid is hemisphere, and be provided with an incidence surface and an exiting surface, this incidence surface is the arc convex surface shape, its curvature is diminished laterally gradually by central shaft, and this exiting surface then is the arc concave shape, and its curvature then becomes big laterally gradually by central shaft.Wherein, the exiting surface of this phacoid can be provided with a plurality of lens bars that concentric circles is arranged that are, respectively the curvature of this lens bar can be zero, just or for negative.It also can be covered with a plurality of little luminous intensity distribution minute surfaces with the arrangement mode of diamond face on the exiting surface surface, and the curvature of these little luminous intensity distribution minute surfaces also can be zero, just or for negative, and each little its level of luminous intensity distribution minute surface also can be identical or different with the curvature of Z-axis picture.
According to the utility model LCD backlight optical module, the light that led light source is dispersed, the refraction through this phacoid changes the angle of former beam projecting, thereby makes the angle of whole emergent ray become big, and can contain bigger area.On the other hand, then change the distribution of emergent ray intensity simultaneously, make the originally axial stronger zone of central ray intensity, toward and axially than the two ends skew of wide-angle, the intensity of the big light of shooting angle is strengthened, and reduce the axis of centres to light intensity, so that the light that led light source sent can be after penetrating the inner segment distance of this phacoid, when shining, uniformity coefficient is reduced, can increase its uniformity coefficient on the contrary than peripheral and longer-distance surface.Therefore, utilize method of the present utility model, can make led light source the time as the backlight of LCD, can maintain under the level than high evenness, irradiation is contained more known led light source and can be shone the zone of containing 4 times to 49 times of areas, and one side makes the uniformity coefficient raising on illuminated surface, on the other hand then because of the significantly amplification of irradiated area, can dispose less led light source, thereby the advantage that significantly reduces equipment cost is also arranged.
Below conjunction with figs. is further specified embodiment of the present utility model; following cited embodiment is in order to illustrate the utility model; be not in order to limit scope of the present utility model; any those skilled in the art; in not breaking away from spirit and scope of the present utility model; when doing a little change and retouching, therefore protection domain of the present utility model is as the criterion when looking accompanying the claims person of defining.
Description of drawings
Fig. 1 is the synoptic diagram of known LCD backlight module.
Fig. 2 is the synoptic diagram of known LED illumination.
Fig. 3 is the synoptic diagram of the utility model embodiment LCD.
Fig. 4 is the cut-open view of the utility model embodiment LCD.
Fig. 5 is the optical path synoptic diagram of the utility model embodiment LCD backlight.
Fig. 6 is the synoptic diagram of the utility model second embodiment
Fig. 7 is the cut-open view of the utility model second embodiment.
Fig. 8 is the synoptic diagram of the utility model the 3rd embodiment.
Fig. 9 is the cut-open view of the utility model the 3rd embodiment.
Figure 10 is the synoptic diagram of the utility model the 4th embodiment.
Figure 11 is the cut-open view of the utility model the 4th embodiment.
Figure 12 is the synoptic diagram of the utility model the 5th embodiment.
Figure 13 is the cut-open view of the utility model the 6th embodiment.
Figure 14 is the synoptic diagram of the utility model the 7th embodiment.
Figure 15 is the synoptic diagram of the utility model the 8th embodiment.
Figure 16 is the cut-open view of the utility model the 8th embodiment.
Figure 17 is the synoptic diagram that the utility model embodiment and led light source group are established.
Figure 18 is the utility model embodiment illumination synoptic diagram.
Among the figure
10 liquid crystal panels
20 backlight modules
21 prismatic lenses, 22 diffusion sheets
23 light guide plate, 24 reflex housings
25 light sources
The 30LED light source
40 phacoiies
41 incidence surfaces, 42 exiting surfaces
43 exiting surfaces, 430 lens bars
431 clinohedrals, 432 arc concave volumes
433 arc convex bodys, 44 exiting surfaces
440 little luminous intensity distribution minute surface 441 little ramp blocks
Recessed 443 little arc projection of 442 little arcs
50 pedestals
60 central shafts
70 phacoiies, 71 incidence surfaces
72 exiting surfaces, 721 plumb cuts
The X distance
The Y diameter
The Z blooming piece
Embodiment
Please consult Fig. 3 and Fig. 4 simultaneously, Fig. 3 is the synoptic diagram of the utility model embodiment LCD backlight optical module, and Fig. 4 then is the cut-open view of LCD backlight optical module.The utility model embodiment LCD backlight optical module is a phacoid 40, and this phacoid 40 is the circular-arc mirror body of a hemisphere, and it has an incidence surface 41 and an exiting surface 42.Incidence surface 41 is a circular arc concave surface, and exiting surface 42 then is an arc convex surface.
Please continue to consult Fig. 4, the arc concave surface of incidence surface 41 is a central point with central shaft 60, its curvature by central shaft 60 laterally, by diminishing greatly gradually.That is as shown in the drawing, the angle of minute surface tangent line and central shaft 60, is diminished to the c angle to the b angle more gradually by a angle.The arc convex surface curvature of exiting surface 42 is then changed from small to big laterally by central shaft 60, and also as accompanying drawing, the angle of minute surface tangent line and central shaft 60 to the B angle, becomes big to the C angle by the A angle more gradually.
Therefore, see also Fig. 5, by the light that led light source 30 is launched, through refraction for the first time, these light by after the refraction for the second time of exiting surface 42 processes, penetrate this phacoid 40 again when entering phacoid 40 by incidence surface 41.Because the incidence surface 41 more curvature near central shaft 60 is bigger, therefore the light refraction angle by this place's incident is also bigger, it is scattered toward the both sides branch more easily, and away from the exterior lateral area of central shaft 60, then because curvature is little, the refraction angle that produces is little, and therefore the light at two side directions does not have bigger deviation.When these light touch exiting surface 42, then because more the curvature near central shaft 60 is littler, its refraction angle is also little, the light angle deviation of outgoing originally is little, but exterior lateral area away from central shaft 60, then become big because of curvature, refraction angle also increases, further make these emergent lights toward the skew of central shaft 60 both sides, make the emergent ray of led light source 30, significantly increase the zone of its irradiation, its simultaneously also since with light toward both sides skew refraction, make that also the light intensity of both sides is strong than the light of central shaft side's line, so Strengthenable is launched farther and the wider light intensity that distributes by the outer both sides of central shaft, when making its blooming piece that is radiated at the LCD backlight, can keep suitable illumination, and the uniformity coefficient in WBR zone is improved, with the quality of further lifting LCD video picture.
Second embodiment of the present utility model sees also Fig. 6, the phacoid structure of the utility model embodiment, several also can be set in exiting surface 43 surfaces of aforementioned phacoid be the lens bar 430 that concentric circles distributes, it is zero clinohedral 431 that this lens bar 430 can be curvature.Each clinohedral 431 is along the tangent line on exiting surface 43 surfaces, and the variation that has angle in twos, is connected laterally and extends in the concentric circles mode by central shaft 60 circle centre positions.Please consult Fig. 7 simultaneously, this figure is the cut-open view of the utility model second embodiment phacoid.The curved transition of this phacoid incidence surface 41 is ditto described, and the angle of minute surface tangent line and central shaft 60, is diminished to the c angle to the b angle more gradually by a angle.And the curved transition of 431 of each clinohedrals is also identical with the variation of aforementioned exiting surface 42, is changed from small to big laterally by central shaft 60, to the B angle, becomes big gradually to the C angle by the A angle again.The distribution of light of its outgoing of present embodiment also with the distribution of light quite similar (seeing also Fig. 5) of aforementioned phacoid, have light that led light source 30 is dispersed luminous intensity distribution in addition equally, and present the larger area range of exposures.Simultaneously according to the result of emergent ray to the both sides skew, making the emergent ray intensity of central axis direction is low than both sides, also according to the central shaft reinforcement of both sides light intensity outward, improve the illumination of the outer both sides of central shaft emergent ray irradiation area, and then the uniformity coefficient on the raising integral panels, and can promote the LCD image display quality.
The 3rd embodiment of the present utility model please consults Fig. 8 and Fig. 9 simultaneously, the phacoid of the utility model embodiment, also can several are set are the lens bar 430 that concentric circles distributes, and this lens bar 430 can be the arc concave volume 432 of curvature for bearing in exiting surface 43 surfaces of aforementioned phacoid.Its also as described above, each arc concave volume 432 is along the tangent line on exiting surface 43 surfaces, the variation that has angle in twos, is connected laterally and extends in the concentric circles mode by central shaft 60 circle centre positions.Because each arc concave volume 432 its curvature is for negative, when therefore light is through arc concave volume 432 surfaces, the phenomenon that scattering is arranged, phacoid to the outside, all has the chromatic dispersion effects of arc concave volume 432 from the extension of central axis of exiting surface 43, and the common factor that can make light by 432 outgoing of arc concave volume carry out light mixes, and can make emergent ray produce the effect of mixed light, so can promote the uniformity coefficient of emergent ray, and further make the luminous more even of integral body, the effect of improving the LCD display quality will also be arranged.
The 4th embodiment of the present utility model please consults Figure 10 and Figure 11 simultaneously, the phacoid of the utility model embodiment, also can several be set be the lens bar 430 that concentric circles distributes in exiting surface 43 surfaces of aforementioned phacoid structure, it is positive arc convex body 433 that this lens bar 430 also can be curvature.Wherein, each arc convex body 433 is along the tangent line on exiting surface 43 surfaces, and the variation that has angle in twos, is connected laterally and extends in the concentric circles mode by central shaft 60 circle centre positions.Because each arc convex body 433 its curvature is for just, therefore behind light process arc convex body 433 surfaces, can produce the mixed light effect of common factor, so can promote the uniformity coefficient of emergent ray, and further make the luminous more even of integral body, can improve the display quality of LCD simultaneously.
The 5th embodiment of the present utility model sees also Figure 12, the phacoid of the utility model embodiment, also can several be set be diamond face little luminous intensity distribution minute surface 440 arranged evenly, and the curvature of this little luminous intensity distribution minute surface 440 can be zero in exiting surface 44 surfaces of aforementioned phacoid structure.The structure of itself and aforementioned clinohedral 431 is quite similar, and only will be the little ramp blocks 441 that each clinohedral 431 that concentric circles arranges is separated out littler minute surface area again.Therefore, the one-piece construction of the present embodiment phacoid still structure with aforementioned phacoid 40 is identical, and the difference to some extent on exiting surface 44 surfaces only.So led light source is not changed to the effect of both sides refraction and increase both sides luminosity intensity, just, see through the refraction action of these little ramp blocks 441, make the chance that can increase the mixed light that occurs simultaneously each other between emergent ray, make more effect of uniform of this ejaculation light and have.
On the other hand, the curvature of aforementioned little luminous intensity distribution minute surface 440 also can be negative or positive, and forms arc concavity or the little minute surface set of convex arc-shape that several are arranged in diamond face mode respectively.See also Figure 13 and Figure 14, its formed arc concavity or the little minute surface of convex arc-shape are respectively recessed 442 of little arc and little arc projection 443, and are respectively the of the present utility model the 6th and the 7th embodiment.This little luminous intensity distribution minute surface 440 respectively, no matter it is recessed 442 of little arc or little arc projection 443, its arrangement mode is identical with little ramp blocks 441, its difference only is the curvature of little luminous intensity distribution minute surface 440, but no matter its curvature why, the two all has aforementioned with the occured simultaneously effect of mixed light of emergent ray, also can significantly promote the uniformity coefficient of led light source WBR.Recessed 442 of aforementioned little arc or little arc projection 443, its level can be identical or different with the curvature of vertical direction.
The 8th embodiment of the present utility model please consults Figure 15 and Figure 16 simultaneously, and phacoid structure of the present utility model also can be quadrilateral hemisphere globoidal mirror body, and these mirror body four limits are provided with four plumb cuts 721.This phacoid 70 also has an incidence surface 71 and an exiting surface 72.The arc concave curvature of incidence surface 71 is a central point with central shaft 60, is diminished gradually laterally by the center, and the arc convex surface curvature of exiting surface 72 then becomes big laterally by central shaft 60.Therefore, present embodiment also has the aforementioned effect that makes led light source to both sides refraction and increase both sides luminosity intensity.And its exiting surface 72, can be as described above, be provided with a plurality of lens bars that concentric circles is arranged that are, the curvature of these lens bars can be zero, just or for negative.It also can be covered with a plurality of little luminous intensity distribution minute surfaces with diamond face arrangement mode on exiting surface 72 surfaces, and the curvature of these little luminous intensity distribution minute surfaces also can be zero, just or for negative, and each little its level of luminous intensity distribution minute surface also can be identical or different with the curvature of Z-axis picture.
See also Figure 17, phacoid 40 can be overlapped and is placed on the led light source 30, and this led light source 30 then can be coupled on the pedestal 50, in order to electrically connect, and provides power supply.Please consult Figure 18 again, when LCD backlight optical module of the present utility model is applied in the backlight module, the incidence surface 41 and the aforesaid led light source 30 of phacoid 40 connect, exiting surface 42 then in the backlight module near the blooming piece Z in LED-backlit source, and can place X distance below the blooming piece Z, then after the refraction of light that led light source 30 penetrates via phacoid 40, can shining blooming piece Z, to go up diameter be in the circumferential area of Y length, and diameter Y is about 2 times of distance X to 7 double-lengths.The aforementioned led light source that utilizes can be the LED of SMD type, or the LED of other form, and its glow color then can be white light or other other coloured light according to need.
According to the utility model, by the light that phacoid 40 penetrates, it is near axially and less its intensity of emergent ray of angle is lower, but its irradiation distance is short, and the area that is spread is little, so illumination will reduce slightly; And the bigger light of shooting angle, the distance on itself and illuminated surface is far away, and the zone of diffusion is bigger, the light beam illumination that is distributed on the per unit area is reduced, originally can cause the bigger emergent light illumination rapid drawdown of lighting angle, but in the utility model, owing to bigger its intensity of emergent light of lighting angle significantly increases, so the uniformity of illuminance of its edge still can maintain more than 75%.That is axial 0 degree of led light source penetrates when the light illumination of blooming piece Z is calculated with 100, and these are 2X length at diameter then has more than 75 to the light illumination of the circumferential edges of 7X length.
Therefore, by LCD backlight optical module of the present utility model, the regional extent that can make its irradiation of LED-backlit source is under the condition of uniformity coefficient more than 75%, existing led light source shines to be contained area and increases about 4 times to 49 times more than, the uniformity coefficient on illuminated surface is improved, then because of the significantly amplification of irradiated area, less led light source can be disposed in the backlight module of LCD on the other hand, thereby also the required cost of equipment can be significantly reduced.
Claims (10)
1. a LCD backlight optical module is characterized in that, comprising:
One phacoid, it is circular-arc that this phacoid is hemisphere, and be provided with an incidence surface and an exiting surface, and this incidence surface is the arc convex surface shape, and its curvature is diminished laterally gradually by central shaft, and this exiting surface is the arc concave shape, its curvature becomes big laterally gradually by central shaft.
2. LCD backlight optical module as claimed in claim 1 is characterized in that: the exiting surface of this phacoid is provided with a plurality of lens bars that concentric circles is arranged that are.
3. LCD backlight optical module as claimed in claim 2 is characterized in that: these lens bars are that curvature is zero clinohedral.
4. LCD backlight optical module as claimed in claim 2 is characterized in that: these lens bars are that curvature is the arc concave volume of bearing.
5. LCD backlight optical module as claimed in claim 2 is characterized in that: these lens bars are that curvature is positive arc convex body.
6. LCD backlight optical module as claimed in claim 1 is characterized in that: the exiting surface of this phacoid is provided with a plurality of with diamond face little luminous intensity distribution minute surface arranged evenly.
7. LCD backlight optical module as claimed in claim 6 is characterized in that: these little luminous intensity distribution minute surfaces are that curvature is positive little arc projection.
8. LCD backlight optical module as claimed in claim 7 is characterized in that: respectively the vertical and horizontal curvature of this little arc projection is identical.
9. LCD backlight optical module as claimed in claim 7 is characterized in that: respectively the vertical and horizontal curvature of this little arc projection is different.
10. a LCD backlight optical module is characterized in that, comprising:
One phacoid, it is circular-arc that this phacoid is the quadrilateral hemisphere, and be provided with an incidence surface and an exiting surface, this incidence surface is the arc convex surface shape, its curvature is diminished laterally gradually by central shaft, and this exiting surface is the arc concave shape, and its curvature becomes big laterally gradually by central shaft, and four limits of this exiting surface are one to be parallel to the plumb cut of central shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520108524 CN2788226Y (en) | 2005-06-01 | 2005-06-01 | LCD backlight source optical component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520108524 CN2788226Y (en) | 2005-06-01 | 2005-06-01 | LCD backlight source optical component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2788226Y true CN2788226Y (en) | 2006-06-14 |
Family
ID=36786522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520108524 Expired - Lifetime CN2788226Y (en) | 2005-06-01 | 2005-06-01 | LCD backlight source optical component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2788226Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013053148A1 (en) * | 2011-10-12 | 2013-04-18 | 深圳市华星光电技术有限公司 | Primary lens for led, backlight module and liquid crystal display device |
| CN102099932B (en) * | 2008-07-17 | 2013-06-19 | Lg电子株式会社 | Light emitting device package, back-light unit, and liquid crystal display device using the same |
| CN106663729A (en) * | 2014-08-29 | 2017-05-10 | 恩普乐股份有限公司 | Light-beam control member, light-emitting device, planar light-source device, and display device |
-
2005
- 2005-06-01 CN CN 200520108524 patent/CN2788226Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102099932B (en) * | 2008-07-17 | 2013-06-19 | Lg电子株式会社 | Light emitting device package, back-light unit, and liquid crystal display device using the same |
| WO2013053148A1 (en) * | 2011-10-12 | 2013-04-18 | 深圳市华星光电技术有限公司 | Primary lens for led, backlight module and liquid crystal display device |
| US8567979B2 (en) | 2011-10-12 | 2013-10-29 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | LED lens, back light module and liquid crystal display device |
| CN106663729A (en) * | 2014-08-29 | 2017-05-10 | 恩普乐股份有限公司 | Light-beam control member, light-emitting device, planar light-source device, and display device |
| US10234099B2 (en) | 2014-08-29 | 2019-03-19 | Enplas Corporation | Light flux controlling member, light emitting device, surface light source device and display apparatus |
| CN106663729B (en) * | 2014-08-29 | 2019-05-03 | 恩普乐股份有限公司 | Flux control member, light emitting device, planar light source device and display device |
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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: CIJIAN SCIENCE AND TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JUHONG ELECTRONICS CO., LTD. Effective date: 20110118 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110118 Address after: Taiwan County, Taipei, China Patentee after: Artled Technology Co., Ltd. Address before: Taiwan County, Taipei, China Patentee before: Juhong Electronics Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150601 Granted publication date: 20060614 |