Genius Electronic Optical (xiamen) Co., Ltd.

Leedarson Lighting Co., Ltd.

Xiamen Leedarson Lighting Co., Ltd

Jiayuan Zhang

Chuanbo Dong

Huabin Liao

Hai Lin

Hung-Chien Hsieh

Qingzhi Zhu

Xiaoming Yang

Jingjing Su

Hung-chien Hsieh

Jiali Lian

Ou Zhou

Fensha Cai

Liangliang Cao

Maozong Lin

Jinhui Gong

Lanlan Zhang

Xinming Liu

Xue Li

Zongyuan Liu

Wei-Jeh Kao

Wenhui Yang

Changjing Zeng

Matthew Bone

Qi Bin Liu

Wenbin Lin

Songchao Huang

Binwei Zhang

Jing Ning

Ruibin Yang

An optical imaging lens may include a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element and an eighth lens element positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of the lens elements, the optical imaging lens may increase resolution, enlarge aperture stop and image height, and maintain well image quality.

Optical imaging lens

An optical imaging lens includes a first lens element to a ninth lens element from an object side to an image side along an optical axis. The second lens element has negative refracting power or the third lens element has positive refracting power, a periphery region of the image-side surface of the second lens element is concave, the fourth lens element has negative refracting power, the sixth lens element has negative refracting power, an optical axis region of the image-side surface of the seventh lens element is concave, and an optical axis region of the image-side surface of the ninth lens element is concave. Lens elements included by the optical imaging lens are only nine lens elements described above to satisfy (V5+V6+V7)/(V3+V4)≥1.100.

An optical imaging lens may include a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element, an eighth lens element and a ninth lens element positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of the lens elements, the optical imaging lens may increase resolution, increase aperture stop and image height, and maintain well image quality.

A lighting apparatus includes a driver, a light source, and a controller. The driver is used for converting an external power to generate multiple driving currents. The light source includes a package holder integrating multiple LED modules having different output light parameters. The package holder has multiple terminals for separately receiving the driving currents to control the multiple LED modules independently in the package holder. The controller is used for controlling the driver for adjusting a relative ratio among the multiple driving currents to render an output light of the light source corresponding to predetermined optimized settings for at least an object illuminated by the light source.

Lighting apparatus

Provided is an optical imaging lens, including a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element, and an eighth lens element sequentially arranged along an optical axis from an object side to an image side. The first lens element has positive refracting power. A periphery region of the object-side surface of the second lens element is convex. The third lens element has positive refracting power. A periphery region of the image-side surface of the third lens element is concave. An optical axis region of the image-side surface of the fifth lens element is concave. An optical axis region of the image-side surface of the sixth lens element is convex. A periphery region of the object-side surface of the eighth lens element is convex.

An optical imaging lens including a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element, and an eighth lens element sequentially along an optical axis from an object side to an image side is provided. Each of the first lens element to the eighth lens element includes an object-side surface facing the object side and allowing imaging rays to pass through and an image-side surface facing the image side and allowing the imaging rays to pass through. A periphery region of the object-side surface of the third lens element is concave, and a periphery region of the image-side surface of the third lens element is convex. Lens elements of the optical imaging lens are only the above-mentioned eight lens elements, and the optical imaging lens satisfies the condition of D11t62/D71t82≤2.400.

An optical imaging lens includes a first lens element to an eighth lens element and each lens element has an object-side surface and an image-side surface. The second lens element has negative refracting power, a periphery region of the image-side surface of the third lens element is convex, the fourth lens element has positive refracting power, an optical axis region of the object-side surface of the sixth lens element is convex, and an optical axis region of the object-side surface of the eighth lens element is concave. Lens elements included by the optical imaging lens are only eight lens elements described above to satisfy υ3+υ4+υ5+υ6+υ7≤195.000 and (ImgH+BFL)/Fno≥4.000 mm.

An optical imaging lens may include a first, a second, a third, a fourth, a fifth, a sixth, and a seventh lens elements positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of lens elements, the optical imaging lens may provide great resolution along with enlarged aperture stop and image height.

A lighting apparatus includes a first light source, a second light source and a driver. The first light source has multiple first LED modules. The second light source has multiple second LED modules. The driver controls the first light source and the second light source to generate an output light of a required mixed color temperature. The driver selects a first subset of the multiple first LED modules and a second subset of the multiple second LED modules to generate a first output light with a first color temperature. The driver selects a third subset of the multiple first LED modules and a fourth subset of the multiple second LED modules to generate a second output light with a second color temperature. The first subset is not equal to the third subset. The second subset is not equal to the fourth subset.

An optical imaging lens includes first to seventh lens elements sequentially arranged along an optical axis from an object side to an image side, and each including an object-side surface facing toward the object side and allowing an imaging ray to pass through and an image-side surface facing toward the image side and allowing the imaging ray to pass through. The first lens element has positive refracting power. The fourth lens element has positive refracting power. A periphery region of the object-side surface of the fourth lens element is convex. An optical axis region of the object-side surface of the sixth lens element is convex. An optical axis region of the image-side surface of the sixth lens element is concave. An optical axis region of the object-side of the seventh lens element is concave. Lens elements of the optical imaging lens are only the seven lens elements described above.

An optical imaging lens includes first to third lens element groups in sequence along an optical axis from an object side to an image side. The first lens element group includes at least two lens elements. The second lens element group includes at least two lens elements. The third lens element group includes at least two lens elements. When the optical imaging lens is zoomed, at least one lens element group is moved toward a direction of the object side or the image side along the optical axis.

An optical imaging lens may include a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element, and an eighth lens element positioned in an order from an object side to an image side along an optical axis. Through designing concave and/or convex surface of the lens elements, the optical imaging lens may have improved imaging quality, reduced system length, enlarged aperture, and broad field of view while the optical imaging lens may satisfy at least one inequality.

Optical imaging lens including eight lenses of +-++-++-, +-++--+-, +-+---+- or +-+-+-+- refractive powers

An optical imaging lens includes first to ninth lens elements sequentially arranged along an optical axis from an object side to an image side. Each of the first lens element to the ninth lens element includes an object-side surface facing the object side and allowing imaging rays to pass through and an image-side surface facing the image side and allowing the imaging rays to pass through. The second lens element has negative refracting power. The fifth lens element has negative refracting power and a periphery region of the object-side surface of the fifth lens element is concave. An optical axis region of the object-side surface of the sixth lens element is concave. The seventh lens element has negative refracting power. Lens elements of the optical imaging lens are only the nine lens elements described above to meet a condition ImgH/Fno≥2.700 mm.

An optical imaging lens includes a first lens element to an eighth lens element, and each lens element has an object-side surface and an image-side surface. The first lens element has positive refracting power, an optical axis region of the image-side surface of the first lens element is concave, the second lens element has negative refracting power, a periphery region of the object-side surface of the second lens element is concave, and an optical axis region of the object-side surface of the eighth lens element is convex. The lens elements having refracting power included by the optical imaging lens are only the eight lens elements described above. The optical imaging lens satisfies the following conditions: D61t82/D21t42≥1.750.

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Fujian, China

Jiayuan Zhang