According to certain embodiments of the disclosure, a lens assembly and/or an electronic device including the same may comprise an image sensor, three or four lenses sequentially arranged along an optical axis from an object side to an image sensor side, and a coating layer provided on an object-side surface or an image sensor-side surface of at least one of the lenses and configured to at least partially block light in a wavelength band of 800 nm to 1000 nm. The lens assembly may meet Equation 1 and Equation 2.

0.001≤BFL/HFoV≤0.02  [Equation 1]

1.3≤OAL/IH≤1.6  [Equation 2]

Other various embodiments are possible as well.

A sensing device includes a substrate, a first circuit, a second circuit, a first photodetector, and a second photodetector. The substrate has a sensing region. The first circuit is disposed on the substrate and in the sensing region, and configured to sense a fingerprint. The second circuit is disposed on the substrate and in the sensing region, and configured to sense a living body. The first photodetector is electrically connected to the first circuit. The second photodetector is electrically connected to the second circuit. The area of the second photodetector is larger than the area of the first photodetector.

Electromagnetic Electromagnetic wave absorbing particles including cesium tungsten oxide represented by a general formula Cs.sub.xW.sub.1-yO.sub.3-z (0.2≤x≤0.4, 0<y≤0.4, and 0<z≤0.46) and having an orthorhombic crystal structure or a hexagonal crystal structure are provided.

Provided are a resin composition including a coloring material, a resin, and a solvent, in which the resin includes a graft polymer which has a main chain including a molecular chain having a structure derived from a compound having an ethylenically unsaturated bond-containing group and a graft chain, and the graft chain includes a repeating unit p1 having an oxetane group; a film formed of the resin composition; an optical filter; a solid-state imaging element; and an image display device.

An optical system of the disclosure includes: a fluorescent unit that includes a phosphor region excited by a first color light beam to output fluorescent light including at least one color light beam, and outputs the first color light beam in a first period and outputs the fluorescent light in a second period; one or two light valves illuminated by at least one of the first color light beam or the fluorescent light; and a region division element including first and second regions and disposed on an optical path between the fluorescent unit and the one or two light valves, the first region outputting the first color light beam and the fluorescent light from the fluorescent unit to be able to reach the one or two light valves, the second region outputting the fluorescent light from the fluorescent unit to be able to reach the one or two light valves.

A black matrix substrate assembly including a transparent substrate, a black matrix pattern, a transparent resin layer, a resin wall pattern, a light reflective layer, and a transparent protective layer. The black matrix pattern includes first and second black linear segments with a width Ax of each first segment in a first direction. The resin wall pattern includes first and second wall linear segments with a width Dx of each first segment smaller than the width Ax in the first direction and the center line of each first segment aligned with that of the corresponding first black linear segment. The light reflective layer includes first and second reflective linear segments with a width Cx of each first segment larger than the width Dx in the first direction and the center line of each first segment aligned with that of the corresponding first black linear segment.

A camera module includes a filter, a supporting base, a metal sheet, and a fixing member. The supporting base includes a first through hole, a first surface, and a second surface. A receiving groove is recessed from the second surface toward the first surface, an inner wall defining the receiving groove includes a bottom surface. The first through hole penetrates the first surface and the bottom surface. The metal sheet is received in the receiving groove and includes a second through hole. A central axis of the second through hole is collinear with a central axis of the first through hole. The metal sheet further includes a supporting platform exposed from the first through hole, the filter is mounted on the supporting platform and received in the first through hole. The fixing member is arranged on the supporting base to fix the metal sheet to the supporting base.

A camera module includes a filter, a supporting base, a metal sheet, and a fixing member. The supporting base includes a first through hole, a first surface, and a second surface. A receiving groove is recessed from the second surface toward the first surface, an inner wall defining the receiving groove includes a bottom surface. The first through hole penetrates the first surface and the bottom surface. The metal sheet is received in the receiving groove and includes a second through hole. A central axis of the second through hole is collinear with a central axis of the first through hole. The metal sheet further includes a supporting platform exposed from the first through hole, the filter is mounted on the supporting platform and received in the first through hole. The fixing member is arranged on the supporting base to fix the metal sheet to the supporting base.

An optical lens assembly includes, in order from the object side to the image side: a stop, a first lens, a second lens, a third lens, and an IR band-pass filter, wherein half of a maximum view angle (field of view) of the optical lens assembly is HFOV, a radius of curvature of an image-side surface of the third lens is R6, a focal length of the optical lens assembly is f, and following condition is satisfied: −6.83<HFOV/(R6/f)<44.10, which is favorable to the thinning and large field of view of the lens assembly.

An optical lens assembly includes, in order from the object side to the image side: a stop, a first lens, a second lens, a third lens, and an IR band-pass filter, wherein half of a maximum view angle (field of view) of the optical lens assembly is HFOV, a radius of curvature of an image-side surface of the third lens is R6, a focal length of the optical lens assembly is f, and following condition is satisfied: −6.83<HFOV/(R6/f)<44.10, which is favorable to the thinning and large field of view of the lens assembly.