JP2007102139A5 - - Google Patents
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- JP2007102139A5 JP2007102139A5 JP2005300117A JP2005300117A JP2007102139A5 JP 2007102139 A5 JP2007102139 A5 JP 2007102139A5 JP 2005300117 A JP2005300117 A JP 2005300117A JP 2005300117 A JP2005300117 A JP 2005300117A JP 2007102139 A5 JP2007102139 A5 JP 2007102139A5
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- 238000000605 extraction Methods 0.000 claims 30
- 230000005855 radiation Effects 0.000 claims 15
- 239000007787 solid Substances 0.000 claims 12
- 230000000712 assembly Effects 0.000 claims 9
- 238000000429 assembly Methods 0.000 claims 9
- 230000000694 effects Effects 0.000 claims 6
- 230000007423 decrease Effects 0.000 claims 3
- 230000004907 flux Effects 0.000 claims 2
- 230000001678 irradiating effect Effects 0.000 claims 1
- 239000004973 liquid crystal related substance Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
Claims (20)
底面の中心を原点とし、底面の中心を通る法線をｚ軸とする円筒座標（ｒ，φ，ｚ）を想定したとき、
頂面は、面光源から射出される半全立体角放射光のうち、側面と頂面の交わる部分における極角Θ0よりも小さい極角を有する放射光成分の一部分を全反射させるための、ｚ軸に対して回転対称である非球面から成り、
側面は、面光源から射出される半全立体角放射光のうち、極角Θ0よりも大きな極角を有する放射光成分、及び、頂面によって全反射された放射光成分を透過させるための、ｚ軸に対して回転対称である非球面から成り、
非球面から成る側面を表すｚを変数とした関数ｒ＝ｆS（ｚ）において、側面と頂面の交わる部分のｚ座標をｚ1としたとき、０≦ｚ≦ｚ1の閉区間においてｚが減少するとき関数ｒ＝ｆS（ｚ）は単調増加し、且つ、該閉区間においてｚの２階微係値の絶対値｜ｄ2ｒ／ｄｚ2｜が極大となる点を少なくとも１つ有する光取出しレンズ。 A light extraction lens having a circular bottom surface, side surface, and top surface, and a surface light source having a finite size at the center of the bottom surface,
Assuming cylindrical coordinates (r, φ, z) with the center of the bottom as the origin and the normal passing through the center of the bottom as the z axis,
The top surface totally reflects a part of the radiated light component having a polar angle smaller than the polar angle Θ 0 at the portion where the side surface and the top surface intersect, out of the half total solid angle radiation emitted from the surface light source. consisting of an aspherical surface that is rotationally symmetric with respect to the z-axis,
The side surface is for transmitting the radiated light component having a polar angle larger than the polar angle Θ 0 and the radiated light component totally reflected by the top surface of the semi-full solid angle radiated light emitted from the surface light source. , Consisting of an aspheric surface that is rotationally symmetric with respect to the z-axis,
In the aspherical function was z representing the side with variable consisting of r = f S (z), when the z-coordinate of the intersection of the side surface and the top surface was set to z 1, z in a closed interval of 0 ≦ z ≦ z 1 The function r = f S (z) monotonically increases when the value decreases, and at least one point where the absolute value | d 2 r / dz 2 | Yes to the light extraction lens.
ａ＝［ｃ（ｅ2−１）］-1＋ｐ
であり、「ｐ」は定数である。 Function z = f T a r representing a top surface formed of aspheric surface has a variable (r) is the light extraction lens according to claim 1 is a hyperboloid represented by the following formula (1).
a = [c (e 2 −1)] −1 + p
And “p” is a constant.
面光源の大きさをｄとしたとき、「ｃ」は、以下の式（２）を満足する請求項２に記載の光取出しレンズ。
The light extraction lens according to claim 2, wherein “c” satisfies the following expression (2), where d is the size of the surface light source.
底面の中心を原点とし、底面の中心を通る法線をｚ軸とする円筒座標（ｒ，φ，ｚ）を想定したとき、
頂面は、面光源から射出される半全立体角放射光のうち、側面と頂面の交わる部分における極角Θ0よりも小さい極角を有する放射光成分の一部分を全反射させるための、ｚ軸に対して回転対称である非球面から成り、
側面は、凸レンズ効果を有し、面光源から射出される半全立体角放射光のうち、極角Θ0よりも大きな極角を有する放射光成分、及び、頂面によって全反射された放射光成分を透過させるための、ｚ軸に対して回転対称である非球面から成る光取出しレンズ。 A light extraction lens having a circular bottom surface, side surface, and top surface, and a surface light source having a finite size at the center of the bottom surface,
Assuming cylindrical coordinates (r, φ, z) with the center of the bottom as the origin and the normal passing through the center of the bottom as the z axis,
The top surface totally reflects a part of the radiated light component having a polar angle smaller than the polar angle Θ 0 at the portion where the side surface and the top surface intersect, out of the half total solid angle radiation emitted from the surface light source. consisting of an aspherical surface that is rotationally symmetric with respect to the z-axis,
The side surface has a convex lens effect, and among the half-full solid angle radiation emitted from the surface light source, the radiation component having a polar angle larger than the polar angle Θ 0 and the radiation light totally reflected by the top surface A light extraction lens composed of an aspherical surface that is rotationally symmetric with respect to the z-axis for transmitting components.
側面は、該底面の中心点を通り該底面に垂直な軸線を回転軸とした、外側に向かって凸の回転対称の曲面から成り、
頂面は、該軸線を回転軸とした、底面に向かって凸の回転対称の曲面から成り、
該中心点を頂点とし、頂面と接する第１仮想円錐の円錐角をΩ1とし、該中心点を頂点とし、頂面と交わる第２仮想円錐の円錐角をΩ2としたとき、
該中心点から射出されたと想定した仮想の光の内、該第２仮想円錐内に存在する光は、頂面から外部に射出され、
該中心点から射出されたと想定した仮想の光の内、該第２仮想円錐の外側であって、該第１仮想円錐内に存在する光は、頂面によって全反射され、側面から外部に射出され、
該中心点から射出されたと想定した仮想の光の内、該第１仮想円錐の外側の領域に位置する光は、側面から外部に射出される光取出しレンズ。 A light extraction lens having a circular bottom surface, side surface, and top surface, and having a light emitting element disposed at the center of the bottom surface;
The side surface is composed of a rotationally symmetric curved surface that protrudes outward, with an axis passing through the center point of the bottom surface and being perpendicular to the bottom surface.
The top surface is composed of a rotationally symmetric curved surface that is convex toward the bottom surface with the axis as the rotation axis,
When the center point and the apex, the cone angle of the first virtual cone in contact with the top surface and Omega 1, and an apex center point, the cone angle of the second virtual cone intersecting the top surface and the Omega 2,
Of the virtual light assumed to be emitted from the center point, the light existing in the second virtual cone is emitted from the top surface to the outside,
Of the virtual light assumed to be emitted from the center point, the light existing outside the second virtual cone and within the first virtual cone is totally reflected by the top surface and emitted outward from the side surface. And
Of the virtual light assumed to be emitted from the central point, light located in a region outside the first virtual cone is emitted from the side surface to the outside.
ｓｉｎ（θ2＋θ0）＝（ｎ0／ｎ1）
但し、
Ω2＝２π［１−ｃｏｓ（θ2）］
を満足する請求項７に記載の光取出しレンズ。 The refractive index of the material constituting the light extraction lens is n 1 , the refractive index of the external medium is n 0 , the cone generating line angle when the second virtual cone is cut in the virtual plane including the axis is θ 2 , and the axis is When the angle at which the normal of the top surface passing through the intersection of the second virtual cone and the top surface obtained by cutting the light extraction lens in a virtual plane including the intersection with the axis is θ 0 , the cone angle Ω 2 is
sin (θ 2 + θ 0 ) = (n 0 / n 1 )
However,
Ω 2 = 2π [1-cos (θ 2 )]
The light extraction lens according to claim 7 , wherein:
０≦ＬＦS／（ＬＦS＋ＬＦT）≦０．８４
を満足する請求項７に記載の光取出しレンズ。 The amount of light flux assumed to have been emitted from the center point to the outside from the emitted light component emission portion on the top surface is LF T , and the amount of light flux assumed to have been emitted to the outside from the center point via the side surface is LF S. When
0 ≦ LF S / (LF S + LF T ) ≦ 0.84
The light extraction lens according to claim 7 , wherein:
前記中心点は、該回転双曲面の２つの焦点の中間点と、２つの焦点の内の回転双曲面凸側の焦点との間の範囲内に位置する請求項７に記載の光取出しレンズ。 The top surface is a rotating hyperboloid,
The light extraction lens according to claim 7 , wherein the center point is located within a range between an intermediate point between two focal points of the rotating hyperboloid and a focal point on the convex side of the rotating hyperboloid of the two focal points.
前記中心点から射出されたと想定した仮想の光の内、該第２仮想円錐内に存在する光は、頂面から外部に射出される代わりに、反射層によって反射される請求項７に記載の光取出しレンズ。 A reflective layer is formed on the outer surface of at least the top surface portion included in the second virtual cone,
Of the virtual light assumed to have been emitted from the center point, light present in the second virtual cone inside, instead of being emitted to the outside from the top surface, according to claim 7, which is reflected by the reflective layer Light extraction lens.
該底面の中心部に配された発光素子から成る面光源、
を備えた発光素子組立体であって、
光取出しレンズにおいて、
底面の中心を原点とし、底面の中心を通る法線をｚ軸とする円筒座標（ｒ，φ，ｚ）を想定したとき、
頂面は、面光源から射出される半全立体角放射光のうち、側面と頂面の交わる部分における極角Θ0よりも小さい極角を有する放射光成分の一部分を全反射させるための、ｚ軸に対して回転対称である非球面から成り、
側面は、面光源から射出される半全立体角放射光のうち、極角Θ0よりも大きな極角を有する放射光成分、及び、頂面によって全反射された放射光成分を透過させるための、ｚ軸に対して回転対称である非球面から成り、
非球面から成る側面を表すｚを変数とした関数ｒ＝ｆS（ｚ）において、側面と頂面の交わる部分のｚ座標をｚ1としたとき、０≦ｚ≦ｚ1の閉区間においてｚが減少するとき関数ｒ＝ｆS（ｚ）は単調増加し、且つ、該閉区間においてｚの２階微係値の絶対値｜ｄ2ｒ／ｄｚ2｜が極大となる点を少なくとも１つ有する発光素子組立体。 A light extraction lens having a circular bottom, side and top surface, and
A surface light source comprising a light emitting element disposed in the center of the bottom surface;
A light emitting device assembly comprising:
In the light extraction lens,
Assuming cylindrical coordinates (r, φ, z) with the center of the bottom as the origin and the normal passing through the center of the bottom as the z axis,
The top surface totally reflects a part of the radiated light component having a polar angle smaller than the polar angle Θ 0 at the portion where the side surface and the top surface intersect, out of the half total solid angle radiation emitted from the surface light source. consisting of an aspherical surface that is rotationally symmetric with respect to the z-axis,
The side surface is for transmitting the radiated light component having a polar angle larger than the polar angle Θ 0 and the radiated light component totally reflected by the top surface of the semi-full solid angle radiated light emitted from the surface light source. , Consisting of an aspheric surface that is rotationally symmetric with respect to the z-axis,
In the aspherical function was z representing the side with variable consisting of r = f S (z), when the z-coordinate of the intersection of the side surface and the top surface was set to z 1, z in a closed interval of 0 ≦ z ≦ z 1 The function r = f S (z) monotonically increases when the value decreases, and at least one point where the absolute value | d 2 r / dz 2 | light-emitting element assembly to Yes.
該底面の中心部に配された発光素子から成る面光源、
を備えた発光素子組立体であって、
光取出しレンズにおいて、
底面の中心を原点とし、底面の中心を通る法線をｚ軸とする円筒座標（ｒ，φ，ｚ）を想定したとき、
頂面は、面光源から射出される半全立体角放射光のうち、側面と頂面の交わる部分における極角Θ0よりも小さい極角を有する放射光成分の一部分を全反射させるための、ｚ軸に対して回転対称である非球面から成り、
側面は、凸レンズ効果を有し、面光源から射出される半全立体角放射光のうち、極角Θ0よりも大きな極角を有する放射光成分、及び、頂面によって全反射された放射光成分を透過させるための、ｚ軸に対して回転対称である非球面から成る発光素子組立体。 A light extraction lens having a circular bottom, side and top surface, and
A surface light source comprising a light emitting element disposed in the center of the bottom surface;
A light emitting device assembly comprising:
In the light extraction lens,
Assuming cylindrical coordinates (r, φ, z) with the center of the bottom as the origin and the normal passing through the center of the bottom as the z axis,
The top surface totally reflects a part of the radiated light component having a polar angle smaller than the polar angle Θ 0 at the portion where the side surface and the top surface intersect, out of the half total solid angle radiation emitted from the surface light source. consisting of an aspherical surface that is rotationally symmetric with respect to the z-axis,
The side surface has a convex lens effect, and among the half-full solid angle radiation emitted from the surface light source, the radiation component having a polar angle larger than the polar angle Θ 0 and the radiation light totally reflected by the top surface A light-emitting element assembly comprising an aspherical surface that is rotationally symmetric with respect to the z-axis for transmitting components.
該底面の中心部に配された発光素子、
を備えた発光素子組立体であって、
光取出しレンズにおいて、
側面は、該底面の中心点を通り該底面に垂直な軸線を回転軸とした、外側に向かって凸の回転対称の曲面から成り、
頂面は、該軸線を回転軸とした、底面に向かって凸の回転対称の曲面から成り、
該中心点を頂点とし、頂面と接する第１仮想円錐の円錐角をΩ1とし、該中心点を頂点とし、頂面と交わる第２仮想円錐の円錐角をΩ2としたとき、
該中心点から射出されたと想定した仮想の光の内、該第２仮想円錐内に存在する光は、頂面から外部に射出され、
該中心点から射出されたと想定した仮想の光の内、該第２仮想円錐の外側であって、該第１仮想円錐内に存在する光は、頂面によって全反射され、側面から外部に射出され、
該中心点から射出されたと想定した仮想の光の内、該第１仮想円錐の外側の領域に位置する光は、側面から外部に射出される発光素子組立体。 A light extraction lens having a circular bottom, side and top surface, and
A light emitting device disposed in the center of the bottom surface;
A light emitting device assembly comprising:
In the light extraction lens,
The side surface is composed of a rotationally symmetric curved surface that protrudes outward, with an axis passing through the center point of the bottom surface and being perpendicular to the bottom surface.
The top surface is composed of a rotationally symmetric curved surface that is convex toward the bottom surface with the axis as the rotation axis,
When the center point and the apex, the cone angle of the first virtual cone in contact with the top surface and Omega 1, and an apex center point, the cone angle of the second virtual cone intersecting the top surface and the Omega 2,
Of the virtual light assumed to be emitted from the center point, the light existing in the second virtual cone is emitted from the top surface to the outside,
Of the virtual light assumed to be emitted from the center point, the light outside the second virtual cone and existing in the first virtual cone is totally reflected by the top surface and emitted outward from the side surface. And
A light emitting element assembly in which light located in a region outside the first virtual cone among virtual light assumed to be emitted from the center point is emitted to the outside from a side surface.
各発光素子組立体は、
円形の底面、側面、及び、頂面を有する光取出しレンズ、並びに、
該底面の中心部に配された発光素子から成る面光源、
を備えており、
光取出しレンズにおいて、
底面の中心を原点とし、底面の中心を通る法線をｚ軸とする円筒座標（ｒ，φ，ｚ）を想定したとき、
頂面は、面光源から射出される半全立体角放射光のうち、側面と頂面の交わる部分における極角Θ0よりも小さい極角を有する放射光成分の一部分を全反射させるための、ｚ軸に対して回転対称である非球面から成り、
側面は、面光源から射出される半全立体角放射光のうち、極角Θ0よりも大きな極角を有する放射光成分、及び、頂面によって全反射された放射光成分を透過させるための、ｚ軸に対して回転対称である非球面から成り、
非球面から成る側面を表すｚを変数とした関数ｒ＝ｆS（ｚ）において、側面と頂面の交わる部分のｚ座標をｚ1としたとき、０≦ｚ≦ｚ1の閉区間においてｚが減少するとき関数ｒ＝ｆS（ｚ）は単調増加し、且つ、該閉区間においてｚの２階微係値の絶対値｜ｄ2ｒ／ｄｚ2｜が極大となる点を少なくとも１つ有する面状光源装置。 A planar light source device including a plurality of light emitting element assemblies that emit red light, a plurality of light emitting element assemblies that emit green light, and a plurality of light emitting element assemblies that emit blue light,
Each light emitting element assembly is
A light extraction lens having a circular bottom, side and top surface, and
A surface light source comprising a light emitting element disposed in the center of the bottom surface;
With
In the light extraction lens,
Assuming cylindrical coordinates (r, φ, z) with the center of the bottom as the origin and the normal passing through the center of the bottom as the z axis,
The top surface totally reflects a part of the radiated light component having a polar angle smaller than the polar angle Θ 0 at the portion where the side surface and the top surface intersect, out of the half total solid angle radiation emitted from the surface light source. consisting of an aspherical surface that is rotationally symmetric with respect to the z-axis,
The side surface is for transmitting the radiated light component having a polar angle larger than the polar angle Θ 0 and the radiated light component totally reflected by the top surface of the semi-full solid angle radiated light emitted from the surface light source. , Consisting of an aspheric surface that is rotationally symmetric with respect to the z-axis,
In the aspherical function was z representing the side with variable consisting of r = f S (z), when the z-coordinate of the intersection of the side surface and the top surface was set to z 1, z in a closed interval of 0 ≦ z ≦ z 1 The function r = f S (z) monotonically increases when the value decreases, and at least one point where the absolute value | d 2 r / dz 2 | Yes to the surface light source device.
各発光素子組立体は、
円形の底面、側面、及び、頂面を有する光取出しレンズ、並びに、
該底面の中心部に配された発光素子から成る面光源、
を備えており、
光取出しレンズにおいて、
底面の中心を原点とし、底面の中心を通る法線をｚ軸とする円筒座標（ｒ，φ，ｚ）を想定したとき、
頂面は、面光源から射出される半全立体角放射光のうち、側面と頂面の交わる部分における極角Θ0よりも小さい極角を有する放射光成分の一部分を全反射させるための、ｚ軸に対して回転対称である非球面から成り、
側面は、凸レンズ効果を有し、面光源から射出される半全立体角放射光のうち、極角Θ0よりも大きな極角を有する放射光成分、及び、頂面によって全反射された放射光成分を透過させるための、ｚ軸に対して回転対称である非球面から成る面状光源装置。 A planar light source device including a plurality of light emitting element assemblies that emit red light, a plurality of light emitting element assemblies that emit green light, and a plurality of light emitting element assemblies that emit blue light,
Each light emitting element assembly is
A light extraction lens having a circular bottom, side and top surface, and
A surface light source comprising a light emitting element disposed in the center of the bottom surface;
With
In the light extraction lens,
Assuming cylindrical coordinates (r, φ, z) with the center of the bottom as the origin and the normal passing through the center of the bottom as the z axis,
The top surface totally reflects a part of the radiated light component having a polar angle smaller than the polar angle Θ 0 at the portion where the side surface and the top surface intersect, out of the half total solid angle radiation emitted from the surface light source. consisting of an aspherical surface that is rotationally symmetric with respect to the z-axis,
The side surface has a convex lens effect, and among the half-full solid angle radiation emitted from the surface light source, the radiation component having a polar angle larger than the polar angle Θ 0 and the radiation light totally reflected by the top surface A planar light source device comprising an aspherical surface that is rotationally symmetric with respect to the z-axis for transmitting components.
赤色を発光する複数の発光素子組立体、緑色を発光する複数の発光素子組立体、及び、青色を発光する複数の発光素子組立体を備え、
各発光素子組立体は、
円形の底面、側面、及び、頂面を有する光取出しレンズ、並びに、
該底面の中心部に配された発光素子、
を備えており、
光取出しレンズにおいて、
側面は、該底面の中心点を通り該底面に垂直な軸線を回転軸とした、外側に向かって凸の回転対称の曲面から成り、
頂面は、該軸線を回転軸とした、底面に向かって凸の回転対称の曲面から成り、
該中心点を頂点とし、頂面と接する第１仮想円錐の円錐角をΩ1とし、該中心点を頂点とし、頂面と交わる第２仮想円錐の円錐角をΩ2としたとき、
該中心点から射出されたと想定した仮想の光の内、該第２仮想円錐内に存在する光は、頂面から外部に射出され、
該中心点から射出されたと想定した仮想の光の内、該第２仮想円錐の外側であって、該第１仮想円錐内に存在する光は、頂面によって全反射され、側面から外部に射出され、
該中心点から射出されたと想定した仮想の光の内、該第１仮想円錐の外側の領域に位置する光は、側面から外部に射出される面状光源装置。 A planar light source device for irradiating a transmissive or transflective color liquid crystal display device from the back,
A plurality of light emitting element assemblies for emitting red light, a plurality of light emitting element assemblies for emitting green light, and a plurality of light emitting element assemblies for emitting blue light,
Each light emitting element assembly is
A light extraction lens having a circular bottom, side and top surface, and
A light emitting device disposed in the center of the bottom surface;
With
In the light extraction lens,
The side surface is composed of a rotationally symmetric curved surface that protrudes outward, with an axis passing through the center point of the bottom surface and being perpendicular to the bottom surface.
The top surface is composed of a rotationally symmetric curved surface that is convex toward the bottom surface with the axis as the rotation axis,
When the center point and the apex, the cone angle of the first virtual cone in contact with the top surface and Omega 1, and an apex center point, the cone angle of the second virtual cone intersecting the top surface and the Omega 2,
Of the virtual light assumed to be emitted from the center point, the light existing in the second virtual cone is emitted from the top surface to the outside,
Of the virtual light assumed to be emitted from the center point, the light outside the second virtual cone and existing in the first virtual cone is totally reflected by the top surface and emitted outward from the side surface. And
A planar light source device in which, of the virtual light assumed to be emitted from the center point, the light located in the region outside the first virtual cone is emitted from the side surface to the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005300117A JP2007102139A (en) | 2004-12-03 | 2005-10-14 | Light pickup lens, light emitting element assembly, surface light source device, and color liquid crystal display unit assembly |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004352027 | 2004-12-03 | ||
| JP2005133677 | 2005-04-28 | ||
| JP2005260908 | 2005-09-08 | ||
| JP2005300117A JP2007102139A (en) | 2004-12-03 | 2005-10-14 | Light pickup lens, light emitting element assembly, surface light source device, and color liquid crystal display unit assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007102139A JP2007102139A (en) | 2007-04-19 |
| JP2007102139A5 true JP2007102139A5 (en) | 2008-11-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005300117A Abandoned JP2007102139A (en) | 2004-12-03 | 2005-10-14 | Light pickup lens, light emitting element assembly, surface light source device, and color liquid crystal display unit assembly |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2007102139A (en) |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4506611B2 (en) * | 2005-08-18 | 2010-07-21 | パナソニック電工株式会社 | LED lighting equipment |
| KR101289069B1 (en) | 2007-05-09 | 2013-07-22 | 엘지디스플레이 주식회사 | Light emitting diode package having structure of dual lens and liquid crystal display device thereby |
| KR100900400B1 (en) * | 2007-09-18 | 2009-06-02 | 서울반도체 주식회사 | Light emitting device with aspherical lens and back light unit comprising the same |
| JP4479805B2 (en) | 2008-02-15 | 2010-06-09 | ソニー株式会社 | Lens, light source unit, backlight device, and display device |
| JP5245659B2 (en) * | 2008-09-08 | 2013-07-24 | 凸版印刷株式会社 | Optical device, uniform light device, backlight unit and display device |
| JP5025612B2 (en) * | 2008-10-06 | 2012-09-12 | 三菱電機株式会社 | LED light source and light emitter using the same |
| US8582053B2 (en) | 2009-02-12 | 2013-11-12 | Panasonic Corporation | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus |
| US8576351B2 (en) | 2009-02-12 | 2013-11-05 | Panasonic Corporation | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus |
| US8469554B2 (en) | 2009-02-12 | 2013-06-25 | Panasonic Corporation | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus |
| US8558967B2 (en) | 2009-02-12 | 2013-10-15 | Panasonic Corporation | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus |
| US8508688B2 (en) | 2009-02-12 | 2013-08-13 | Panasonic Corporation | Illuminating lens, lighting device, surface light source, and liquid-crystal display apparatus |
| JP5306949B2 (en) * | 2009-09-14 | 2013-10-02 | ユー・ディー・シー アイルランド リミテッド | Organic electroluminescence device |
| US9385285B2 (en) * | 2009-09-17 | 2016-07-05 | Koninklijke Philips N.V. | LED module with high index lens |
| KR101028304B1 (en) | 2009-10-15 | 2011-04-11 | 엘지이노텍 주식회사 | Light emitting apparatus |
| KR101064036B1 (en) * | 2010-06-01 | 2011-09-08 | 엘지이노텍 주식회사 | Light emitting device package and lighting system |
| JP5796209B2 (en) * | 2011-05-23 | 2015-10-21 | パナソニックＩｐマネジメント株式会社 | LIGHT EMITTING DEVICE AND LIGHTING DEVICE USING THE SAME |
| CN103165798B (en) * | 2011-12-09 | 2015-11-25 | 展晶科技(深圳)有限公司 | Package structure for LED and lens thereof |
| KR101944045B1 (en) * | 2011-12-26 | 2019-01-30 | 엘지이노텍 주식회사 | A wide-angle lens for lighting and lighting device using the same |
| DE102015108499A1 (en) * | 2015-05-29 | 2016-12-01 | Osram Opto Semiconductors Gmbh | Optoelectronic component with a radiation source |
| JP6539758B2 (en) * | 2018-02-07 | 2019-07-03 | 株式会社ｎｉｔｔｏｈ | Optical member |
| CN112145986B (en) * | 2020-07-31 | 2022-11-01 | 中节能晶和科技有限公司 | Manufacturing method of high-luminous-efficiency lamp |
| CN113761459B (en) * | 2021-08-20 | 2022-09-27 | 杭州罗莱迪思科技股份有限公司 | Curvature distribution-based hyperboloid lens calculation method and application thereof |
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2005
- 2005-10-14 JP JP2005300117A patent/JP2007102139A/en not_active Abandoned
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