WO2011086646A1 - プラスチックレンズ、撮影レンズ、撮像装置及び携帯機器 - Google Patents
プラスチックレンズ、撮影レンズ、撮像装置及び携帯機器 Download PDFInfo
- Publication number
- WO2011086646A1 WO2011086646A1 PCT/JP2010/007413 JP2010007413W WO2011086646A1 WO 2011086646 A1 WO2011086646 A1 WO 2011086646A1 JP 2010007413 W JP2010007413 W JP 2010007413W WO 2011086646 A1 WO2011086646 A1 WO 2011086646A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lens
- effective diameter
- plastic lens
- plastic
- imaging
- Prior art date
Links
- 239000004033 plastic Substances 0.000 title claims abstract description 30
- 239000011347 resin Substances 0.000 claims abstract description 30
- 229920005989 resin Polymers 0.000 claims abstract description 30
- 238000000465 moulding Methods 0.000 claims abstract description 9
- 238000003384 imaging method Methods 0.000 claims description 34
- 239000000463 material Substances 0.000 claims description 23
- 230000003287 optical effect Effects 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 description 9
- 239000000853 adhesive Substances 0.000 description 7
- 230000001070 adhesive effect Effects 0.000 description 7
- 230000014509 gene expression Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 239000000758 substrate Substances 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000013001 point bending Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 102220637360 Glutathione S-transferase A3_F52R_mutation Human genes 0.000 description 1
- 102220616555 S-phase kinase-associated protein 2_E48R_mutation Human genes 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000113 methacrylic resin Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
- 239000004431 polycarbonate resin Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/0006—Arrays
- G02B3/0012—Arrays characterised by the manufacturing method
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/004—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having four lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1876—Diffractive Fresnel lenses; Zone plates; Kinoforms
- G02B5/189—Structurally combined with optical elements not having diffractive power
- G02B5/1895—Structurally combined with optical elements not having diffractive power such optical elements having dioptric power
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/02—Diaphragms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B2003/0093—Simple or compound lenses characterised by the shape
Definitions
- the present invention relates to a plastic lens, an imaging lens, an imaging device, and a portable device used for an optical device such as a camera or an optical pickup device.
- This type of plastic lens is manufactured by pouring a resin such as polycarbonate resin or methacrylic resin into a molding die.
- a molding die matched to the shape of the plastic lens is prepared, and the molding die is mounted on an injection molding machine, and a resin in a molten state is formed from the gate portion as a resin injection flow path provided in the molding die.
- the mixture is cooled and solidified and removed from the molding die.
- the plastic lens taken out is circular when viewed from the optical axis direction, but since the gate part is in a state of being connected to the runner from a part of the flange part of the outer periphery, the gate part is cut as a final process, Take it out of the runner and complete the plastic lens.
- the filling pressure of the resin at the time of injection molding may be lowered.
- the filling failure may cause sink marks on the lens surface, which may make it impossible to obtain good shape accuracy.
- the occurrence of internal strain and the decrease in shape accuracy are contradictory problems, and in order to solve them at once, it is necessary to try another approach.
- the plastic lens of the present invention is a plastic lens which has a flange portion on the outer periphery of the lens effective diameter portion and is manufactured by pouring a resin into a molding die through the gate portion, and the peripheral thickness of the lens effective diameter portion Is s [mm], the center thickness of the lens effective diameter portion is t [mm], and the lens effective diameter is E.
- D [mm] and the lens outer diameter are D [mm]
- s / t ⁇ 0.61 E.S.
- the condition of D / D ⁇ 0.4 is satisfied.
- FIG. 1 is a longitudinal sectional view of an imaging device employing a plastic lens according to an embodiment of the present invention.
- FIG. 2A is a cross-sectional view of a plastic lens according to an embodiment of the present invention.
- FIG. 2B is a plan view of a plastic lens according to an embodiment of the present invention.
- FIG. 3A is a front view of a portable device according to an embodiment of the present invention.
- FIG. 3B is a rear view of a portable device according to an embodiment of the present invention.
- FIG. 1 shows an imaging device 7 according to the present embodiment.
- the lens barrel 1, which is a component of the imaging device 7, includes a photographing lens 2 and a lens holder 3 that houses the photographing lens 2. More specifically, the lens barrel 1 holds the photographing lens 2 formed of a plurality of lenses having a flange portion (edge portion) 2b on the outer periphery of the lens effective diameter portion 2a, and the photographing lens 2 at the inner wall And a cylindrical lens holder 3.
- the photographing lens 2 is a plurality of, for example, four concave and convex lenses, and the outer dimensions and the shape such as the diameter of each lens are different.
- lenses positioned near an imaging surface imaging element 10) (hereinafter, first lens 21, second lens 22, third lens 23, fourth lens 24) in the direction approaching the imaging surface
- the larger the size the outer dimension such as the diameter
- the fourth lens 24 is continuous with the insertion portion 2 ba smaller than the inner diameter of the holding portion 32 of the lens holder 3 described later and the insertion portion 2 ba in the flange portion 2 b and larger than the inner diameter of the holding portion 32.
- a pressing portion 2bb having an opposing surface at a position separated from the end surface of the lens holder 3 (the end surface on the image forming surface side), and the outer diameter of the flange portion 2b of the fourth lens 24 is the outer diameter of the holding portion 32 It is smaller.
- the lens holder 3 is configured to accommodate a plurality of (four in the illustrated example) photographic lenses 2, and the flange portion 2 b on one surface side (subject side) of the first lens 21 is entirely or in the optical axis direction A partially supported support portion 31 is formed at one end (end on the subject side), and the entire or partial to the flange portion 2b on the other surface side (imaging surface side) of the fourth lens 24 A holding portion 32 facing the end is formed at the other end (end on the image forming surface side).
- An opening 33 is provided on the top of the lens holder 3.
- the opening 33 functions as the stop of the photographing lens 2.
- a male screw 34 (for screwing with an outer holder 8 described later) is formed.
- the photographing lens 2 is accommodated from the support portion 31 of the lens holder 3 to the holding portion 32. More specifically, the photographing lens 2 and the light shielding plate (spacer) 6 are housed inside the lens holder 3 and are formed on the flange portion 2b of the photographing lens 2 (except the fourth lens 24). The flange portion 2b of the photographing lens 2 (excluding the fourth lens 24) and the lens as shown in the right half of FIG. 1 due to the notched portion (notched portion according to either method described in the [Background Art] column) A gap (a space) is partially generated between the inner circumferential surface of the holder 3 and the holder 3.
- the first lens 21 of the photographing lens 2 has the upper surface of the flange portion 2b in contact with the lower surface of the support portion 31 of the lens holder 3, and the lens surface of the lens effective diameter portion 2a excluding the flange portion 2b is the lens holder 3
- the lens holder 3 is housed with a predetermined distance of, for example, more than 0 ⁇ m and not more than 50 ⁇ m from the lower surface and attached to the lens holder 3.
- the fourth lens 24 is attached to the lens holder 3 such that the insertion portion 2 ba is inserted into the holding portion 32. In this inserted state, the pressing portion 2bb which is continuous from the insertion portion 2ba and is larger than the inner diameter of the holding portion 32 is at a position separated from the end face of the holding portion 32.
- a recessed portion is formed by the flange portion 2 b of the lens 24.
- the recessed portion is a concave and annular recessed portion formed by the holding portion 32 of the lens holder 3, the insertion portion 2ba of the fourth lens 24, and the pressing portion 2bb, and the adhesive 5 is filled, and the fourth lens 24 is fixed to the lens holder 3.
- the gap between the lower surface of the lens holder 3 and the lens effective diameter portion 2a exceeds 50 ⁇ m, flare due to stray light (unwanted light) occurs, and when it is 0 ⁇ m or less, the lens effective diameter portion 2a is damaged and dust is generated. Because there is a problem, it is more than 0 ⁇ m and 50 ⁇ m or less.
- the third lens 23 has a feature, and this point will be described below.
- FIG. 2A shows a cross-sectional view of the third lens 23, and
- FIG. 2B shows a plan view.
- the third lens 23 includes the lens effective diameter portion 2a and the flange portion 2b on the outer periphery of the lens effective diameter portion 2a, as with the other lenses.
- the third lens 23 is defined by a diameter (outer diameter) D [mm], and the lens effective diameter portion 2a has a diameter (lens effective diameter) E.I.
- the convex lens is circular in plan view defined by D [mm], peripheral thickness (thinnest part thickness) s [mm], and center thickness (central part thickness) t [mm]. Further, the third lens 23 has a notch 2c (a distance E [mm] from the center to the notch 2c) in a part of the outer periphery of the flange 2b, and the gate 2d is disposed at the notch 2c. It is supposed to be
- Table 1 shows the results of verification with various parameters changed. Internal distortion was confirmed by the orthogonal Nicol method. As a result, internal distortion was observed in the lenses of lens types NO 3 and 7, and no internal distortion was observed in the lenses of other lens types NO 1, 2, 4 to 6.
- the 3rd lens 23 can select various resin materials, it verified about some resin materials.
- Table 2 shows the results of verification conducted by changing various resin materials.
- the resin material A is ZEONEX 480R (trade name) manufactured by Nippon Zeon Co., Ltd.
- the resin material B is ZEONEX E48R (trade name)
- the resin material C is ZEONEX F52R (trade name). It is a low dispersion resin material.
- the resin material D is OKP 4 (trade name) manufactured by Osaka Gas Chemical Co., Ltd.
- the resin material E is PC AD-5503 (trade name) manufactured by Teijin Chemicals Ltd.
- the resin material F is Teijin. It is SP-1516 (trade name) manufactured by Kasei Co., Ltd., and all of them are highly dispersed resin materials.
- the refractive index nD is a refractive index at D line (587.6 nm).
- the Abbe number ⁇ d is expressed by (nD-1) / (nF-nC), where nF is the refractive index of the F line (486.1 nm) and nC is the refractive index at the C line (656.3 nm).
- Bending strength ⁇ b [MPa] refers to the maximum shear stress that occurs before a crack, failure or breakage occurs in a test piece in a bending test.
- Flexural modulus e [MPa] is an elastic modulus calculated using a load-deflection curve obtained in a normal bending test 3 point bending and a 4 point bending test of a material.
- the tensile elongation ⁇ [%] is a value representing the elongation at break as a percentage, and is measured by a tensile test.
- the third lens 23 is such that 3.5 mm ⁇ D ⁇ 6.0 mm, 2.9 mm ⁇ E. D ⁇ 5.4 mm, 0.3 mm ⁇ s ⁇ 0.5 mm, 0.7 mm ⁇ t ⁇ 1.0 mm, and 1.75 mm ⁇ E ⁇ 2.9 mm.
- the main body 9 includes a cylindrical outer holder 8 that accommodates the photographing lens 2 through the lens holder 3.
- the imaging device 10 is disposed at a predetermined distance from the fourth lens 24 and has a light receiving unit at its center, and converts an optical signal corresponding to an object into an image signal and outputs the image signal.
- the main body 9 has an outer holder 8 for holding the lens holder 3 and a support portion 14 provided on the outer holder 8 side and supporting the outer holder 8.
- the outer holder 8 is formed in a cylindrical shape, and a female screw 81 is formed on the inner surface thereof.
- An external thread 34 of the lens holder 3 is screwed into the internal thread 81 of the outer holder 8.
- the supporting portion 14 is provided at a lower portion thereof with a positioning portion 14 a held by the outer holder 8 mainly for positioning the lens holder 3 and the photographing lens 2 in the vertical direction, and the imaging device 10 (or the substrate 11). And (protrudingly) protruding portion 14b.
- the positioning portion 14a is formed in a planar shape having a predetermined area. Moreover, the outer periphery of this positioning part 14a is comprised by planar view square shape.
- the positioning unit 14 a is configured to position the photographing lens 2 with respect to the imaging device 10 in the vicinity of the outer peripheral portion of the light receiving unit of the imaging device 10. Specifically, the positioning portion 14 a is in contact with the surface (upper surface) of the glass plate 12 located on the upper side of the imaging device 10. The positioning portion 14 a is fixed to the glass plate 12 via the adhesive 15 with low viscosity to obtain high positioning accuracy.
- the protrusion 14 b is fixed to the surface (upper surface) of the substrate 11 via the adhesive 16.
- the adhesive 16 is in a state in which a part thereof is sandwiched between the protrusion 14 b and the glass plate 12.
- the positional deviation of the outer holder 8 can be effectively prevented by interposing the adhesive 16 having a viscosity higher than that of the adhesive 15 between the protrusion 14 b and the glass plate 12.
- the imaging element 10 is fixed to the lower surface side of the glass plate 12.
- the lower surface of the glass plate 12 is fixed to the substrate 11 via the connection portion 17.
- the infrared cut filter 13 is provided at a position between the fourth lens 24 and the glass plate 12. Specifically, the infrared cut filter 13 is fixed to a support portion 14 provided on the outer holder 8 side.
- FIG. 3A shows a front view of the portable device 18, and FIG. 3B shows a rear view.
- the mobile device 18 is, for example, a mobile phone with a camera, and includes a main body case 19 and a display 19 a mounted on the main body case 19, an operation unit 19 b, and an imaging device 7.
- the main body case 19 is formed of two foldable rectangular plate-like bodies, and one short side of each of the two plate-like bodies is connected.
- the connecting portion is configured to be bendable in one direction by the hinge-like connecting portion, and one surface of one plate-shaped body and one surface of the other plate-shaped body face each other. It is folded.
- the display 19a is disposed on the inner surface of one plate-like member constituting the main body case 19, and the operation unit 19b is disposed on the inner surface of the other plate-like member. .
- the main body case 19 is folded so that the surface on which the display 19a is disposed and the surface on which the operation unit 19b is disposed are closely opposed to each other.
- the display 19a is, for example, a rectangular liquid crystal screen on which screen display related to the operation of the mobile phone is performed.
- the operation unit 19 b is for operating the function of the mobile phone, and includes circular and oval buttons.
- the imaging device 7 is as described above, and is provided in the main body case 19. Specifically, the opening 33 side (first lens 21) of the lens holder 3 is disposed on the surface opposite to the surface on which the operation portion 19b of the main body case 19 is disposed.
- the plastic lens, the imaging device, and the portable device according to the present invention are not limited to the above embodiments, and the scope without departing from the scope of the present invention, for example, an AF digital camera, a personal computer camera, a surveillance camera, an optical pickup device It goes without saying that various modifications such as can be made.
- the photographing lens 2 is composed of four lenses, but it may not be four, and may be two or three, for example. Further, although the third lens 23 is targeted to satisfy the expressions 1 to 4, other lenses may be used.
- the high dispersion resin material but also a low dispersion resin material may be adopted as the resin material of the plastic lens. Thereby, internal distortion of the plastic lens can be further suppressed.
- the plastic lens, the photographing lens, the imaging device, and the portable device according to the present invention are miniaturized by setting the shape and size in a suitable range, and even when the shape becomes complicated, good shape accuracy can be obtained. It can be applied to applications where it is necessary to reduce internal distortion.
- D Diameter of lens effective diameter (lens effective diameter) s Peripheral thickness of the lens effective diameter (thinnest part thickness) t Center thickness of lens effective diameter (center thickness)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Lenses (AREA)
- Lens Barrels (AREA)
- Studio Devices (AREA)
Abstract
Description
E.D/D≧0.4 ・・・(式2)
また、第3レンズ23は、各種の樹脂材料を選択可能であるが、いくつかの樹脂材料について検証を行った。表2は、各種の樹脂材料を変更して検証を行った結果を示している。樹脂材料Aは、日本ゼオン株式会社製のZEONEX 480R(商品名)であり、樹脂材料Bは、ZEONEX E48R(商品名)であり、樹脂材料Cは、ZEONEX F52R(商品名)であり、いずれも低分散樹脂材料である。また、樹脂材料Dは、大阪ガスケミカル株式会社製のOKP4(商品名)であり、樹脂材料Eは、帝人化成株式会社製のPC AD-5503(商品名)であり、樹脂材料Fは、帝人化成株式会社製のSP-1516(商品名)であり、いずれも高分散樹脂材料である。
(1.53≦nD≦1.62) ・・・(式3’)
104≦σb≦125 ・・・(式4)
また、さらには、内部歪みが認められなかったものには、以下の関係が認められる。そのため、第3レンズ23を以下の関係式を満たす樹脂材料で作製することで、内部歪みが発生するのをさらに抑えることができる。
尚、第3レンズ23は、本実施形態においては、3.5mm≦D≦6.0mm、2.9mm≦E.D≦5.4mm、0.3mm≦s≦0.5mm、0.7mm≦t≦1.0mm、1.75mm≦E≦2.9mmとなっている。
2 撮影レンズ
2a レンズ有効径部
2b フランジ部
2ba 挿入部
2bb 押圧部
2c 切り欠き箇所
2d ゲート部
3 レンズホルダ
5,15,16 接着剤
6 遮光板(スペーサ)
7 撮像装置
8 アウタホルダ
9 本体
10 撮像素子
11 基板
12 ガラス板
13 赤外線カットフィルタ
14,31 支持部
14a 位置決め部
14b 突起部
17 接続部
18 携帯機器
19 本体ケース
19a ディスプレイ
19b 操作部
21 第1レンズ
22 第2レンズ
23 第3レンズ
24 第4レンズ
32 保持部
33 開口部
34 雄ねじ
D 外径(レンズ外径)
E.D レンズ有効径部の直径(レンズ有効径)
s レンズ有効径部の周縁厚み(最薄部肉厚)
t レンズ有効径部の中心厚み(中心部肉厚)
Claims (9)
- レンズ有効径部の外周にフランジ部を有し、成形金型にゲート部を介して樹脂を流し込むことにより製造されるプラスチックレンズであって、前記レンズ有効径部の周縁厚みをs[mm]、前記レンズ有効径部の中心厚みをt[mm]、レンズ有効径をE.D[mm]、レンズ外径をD[mm]とした場合、s/t≦0.61かつE.D/D≧0.4の条件を満たすことを特徴とするプラスチックレンズ。
- s≦0.65の条件をさらに満たすことを特徴とする請求項1に記載のプラスチックレンズ。
- アッベ数をυd、曲げ強度をσb[MPa]とした場合、26.0≦υd≦55.8かつ104≦σb≦125の条件を満たす樹脂材料を用いて作製されることを特徴とする請求項1に記載のプラスチックレンズ。
- 屈折率をnD、曲げ強度をσb[MPa]とした場合、1.53≦nD≦1.62かつ104≦σb≦125の条件を満たす樹脂材料を用いて作製されることを特徴とする請求項1に記載のプラスチックレンズ。
- 前記樹脂材料が低分散樹脂材料であることを特徴とする請求項1に記載のプラスチックレンズ。
- 前記レンズ有効径部のレンズ面のいずれか一面に回折素子面を有し、前記回折素子面がf(doe)/f>30の条件を満たすことを特徴とする請求項1~請求項5のいずれか1項に記載のプラスチックレンズ。
- 被写体側から結像面側に向かって、絞り及び一つ以上のレンズを備え、少なくともその一つのレンズが請求項1に記載のプラスチックレンズであることを特徴とする撮影レンズ。
- 被写体に対応した光信号を画像信号に変換して出力する撮像素子と、前記撮像素子の結像面に被写体の像を結像させる撮影レンズとを備えた撮像装置であって、前記撮影レンズとして請求項7に記載の撮影レンズを用いることを特徴とする撮像装置。
- 請求項8に記載の撮像装置を用いたことを特徴とする携帯機器。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/146,096 US20120314122A1 (en) | 2010-01-13 | 2010-12-22 | Plastic lens, photographing lens, imaging device, and portable device |
CN2010800093665A CN102334046A (zh) | 2010-01-13 | 2010-12-22 | 塑料透镜、摄影透镜、图像拍摄装置以及便携式设备 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2010004719A JP2011145374A (ja) | 2010-01-13 | 2010-01-13 | プラスチックレンズ、撮影レンズ、撮像装置及び携帯機器 |
JP2010-004719 | 2010-01-13 |
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WO2011086646A1 true WO2011086646A1 (ja) | 2011-07-21 |
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PCT/JP2010/007413 WO2011086646A1 (ja) | 2010-01-13 | 2010-12-22 | プラスチックレンズ、撮影レンズ、撮像装置及び携帯機器 |
Country Status (5)
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US (1) | US20120314122A1 (ja) |
JP (1) | JP2011145374A (ja) |
KR (1) | KR20120107426A (ja) |
CN (1) | CN102334046A (ja) |
WO (1) | WO2011086646A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3537199A1 (en) * | 2018-03-08 | 2019-09-11 | Coretronic Corporation | Lens module and projection device |
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Also Published As
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US20120314122A1 (en) | 2012-12-13 |
CN102334046A (zh) | 2012-01-25 |
KR20120107426A (ko) | 2012-10-02 |
JP2011145374A (ja) | 2011-07-28 |
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