Abstract: A display device includes the following features. A display element is disposed in a frame. A flexible strip is sealed between the display element and the frame and has a first segment and a second segment bent relative to the first segment. The first segment has a first end and a fixed region. The first end is opposite to the second segment. The fixed region is located between the first end and the second segment and fixed to the display element. The second segment is fixed to the frame and has a top and a bottom. The bottom is close to a base portion of the frame, and the top is close to a top portion of the frame. A height between the top and the base portion is larger than or equal to a height between the fixed region and the base portion.

Abstract: The optical system includes a projector, a deflector, a polarizer, a first grating coupler structure, and a second grating coupler structure. The projector emits three beams having different wavelengths. The deflector is disposed below the projector and is configured to change incident angles of the three beams and to focus the three beams at the same region of the first grating coupler structure. The first grating coupler structure is below the deflector and is configured to couple the three beams into a light-guide lens such that the three beams travel the same optical path within the light-guide lens. The light-guide lens is connected to the first grating coupler structure and is configured to transmit the three beams. The polarizer is disposed between the projector and the deflector and is configured to filter out transverse electric (TE) modes or transverse magnetic (TM) modes of the three beams.

Abstract: An optical device is provided. The optical device includes a substrate, a first photodetector, a waveguide and a nanowell array. The first photodetector is disposed on the substrate. The waveguide is disposed on the first photodetector. The waveguide is in contact with the first photodetector or apart from the first photodetector by a color filter array which is in contact with the waveguide and the first photodetector. The nanowell array is disposed on the waveguide. There is no multi-film filter in the optical device.

Abstract: A bio-chip is provided. The bio-chip includes a first substrate, a polarizing array, and a plurality of reaction sites. The polarizing array is disposed on the first substrate, and includes first sub-polarizing units having a first polarizing angle and second sub-polarizing units having a second polarizing angle. The first polarizing angle is different from the second polarizing angle. The reaction sites are disposed on the polarizing array. Each of the reaction sites corresponds to one of the first sub-polarizing units or one of the second sub-polarizing units.

Abstract: A sensor device is provided. The sensor device includes a first substrate, a second substrate, a flow channel and a first reaction group. The second substrate is disposed opposite the first substrate. The flow channel is disposed between the first substrate and the second substrate, and the flow channel includes a fluidic boundary. The first reaction group is disposed on the first substrate and includes a first reaction site, a second reaction site and a third reaction site. The first reaction site is closer to the fluidic boundary than the second reaction site, and a size of the first reaction site is greater than or equal to a size of the second reaction site. The second reaction site is closer to the fluidic boundary than the third reaction site, and the size of the second reaction site is greater than a size of the third reaction site.

Abstract: The present disclosure provides a fluorescence biosensing system including a sensing device and a light emitting device. The sensing device includes a sensing region, a lower polarizer above the sensing region, a light transmitting element above the lower polarizer, and an upper polarizer above the light transmitting element. The lower polarizer includes a first lower sub-polarizer and a second lower sub-polarizer, and a second polarization direction of the second lower sub-polarizer is 90 degrees shifted from a first polarization direction of the first lower sub-polarizer. The upper polarizer includes a first upper sub-polarizer aligned with the first lower sub-polarizer and a second upper sub-polarizer aligned with the second lower sub-polarizer. The light emitting device is configured to provide an excitation light to the sensing device.

Abstract: A spectrometer includes a plurality of photodetectors, an anti-reflection layer, a grating layer, a distant layer, and a collimator. The anti-reflection layer is disposed on the plurality of photodetectors. The grating layer is disposed above the anti-reflection layer and includes a plurality of grating structures to spread a light into a spectrum to the plurality of photodetectors through the distant layer. The distant layer continuously extends from the grating layer to the anti-reflection layer, the distant layer has a thickness in a range from 400 ?m to 2000 ?m, and a refractive index of the grating layer is greater than a refractive index of the distant layer. The collimator is disposed above the grating layer, in which the collimator is configured to confine an incident angle of the light from a first micro-lens.

Abstract: A display device includes the following features. A display element is disposed in a frame. A flexible strip is sealed between the display element and the frame and has a first segment and a second segment bent relative to the first segment. The first segment has a first end and a fixed region. The first end is opposite to the second segment. The fixed region is located between the first end and the second segment and fixed to the display element. The second segment is fixed to the frame and has a top and a bottom. The bottom is close to a base portion of the frame, and the top is close to a top portion of the frame. A height between the top and the base portion is larger than or equal to a height between the fixed region and the base portion.

Abstract: A biosensor is provided. The biosensor includes a plurality of sensor units. Each of the sensor units includes a plurality of photodiodes, a plurality of first electrodes, an electro-wetting chamber, a second electrode, a bottom conductive layer, a photoconductive layer, an open cell chamber, and a top conductive layer. The first electrodes are disposed above the photodiodes. The electro-wetting chamber is disposed above the first electrodes, and a non-polar liquid is disposed in the electro-wetting chamber. The second electrode is disposed on the electro-wetting chamber. The bottom conductive layer is disposed above the second electrode. The photoconductive layer is disposed on the bottom conductive layer. The open cell chamber is disposed on the photoconductive layer and configured to receive a cell. The top conductive layer is disposed on the open cell chamber.

Abstract: An optical device is provided. The optical device includes a substrate, a waveguide layer, a first input grating, a first fold grating, and an isolation layer. The waveguide layer is disposed on the substrate. The first input grating is disposed in the waveguide layer. A first incident light passes through the first input grating to form a first light. The first fold grating is disposed in the waveguide layer. The first light passes through the first fold grating to form a first diffracted light in a first direction and a second diffracted light in a second direction. The isolation layer includes a first well array and is disposed on the waveguide layer. When the first diffracted light in the first direction travels to a first top portion corresponding to the first well array of the waveguide layer, the first diffracted light further passes through the first well array.

Abstract: A display includes a frame body and an optical film. Each of the first side wall and the third side wall of the frame body has a first positioning structure. Two end portions of each of the second sidewall and the fourth sidewall are bent toward the accommodating space to form second positioning structures. The optical film includes first positioning pieces and second positioning pieces. The first positioning pieces are respectively at the first side and the third side of the optical film, and each of the first positioning structures passes through a corresponding one of the first positioning pieces. The second positioning pieces respectively extend along a direction parallel to the first side or the third side of the optical film, and each of the second positioning pieces corresponds to a corresponding one of the second positioning structures.

Abstract: A display includes a frame body and an optical film. Each of the first side wall and the third side wall of the frame body has a first positioning structure. Two end portions of each of the second sidewall and the fourth sidewall are bent toward the accommodating space to form second positioning structures. The optical film includes first positioning pieces and second positioning pieces. The first positioning pieces are respectively at the first side and the third side of the optical film, and each of the first positioning structures passes through a corresponding one of the first positioning pieces. The second positioning pieces respectively extend along a direction parallel to the first side or the third side of the optical film, and each of the second positioning pieces corresponds to a corresponding one of the second positioning structures.

Abstract: A bio-chip is provided. The bio-chip includes a substrate and a first organic photoelectric conversion element disposed on the substrate. The first organic photoelectric conversion element defines pixel units. The bio-chip also includes a polarizing array disposed on the first organic photoelectric conversion element. The polarizing array includes polarizing sets, each polarizing set corresponds to one pixel unit and has sub-polarizing units that have different polarizing angles. The bio-chip further includes reaction sites disposed on the polarizing array. Each reaction site corresponds to one sub-polarizing unit.

Abstract: A spectrometer includes a plurality of photodetectors, an anti-reflection layer, a grating layer, a distant layer, and a collimator. The anti-reflection layer is disposed on the plurality of photodetectors. The grating layer is disposed above the anti-reflection layer and includes a plurality of grating structures to spread a light into a spectrum to the plurality of photodetectors through the distant layer. The distant layer continuously extends from the grating layer to the anti-reflection layer, the distant layer has a thickness in a range from 400 ?m to 2000 ?m, and a refractive index of the grating layer is greater than a refractive index of the distant layer. The collimator is disposed above the grating layer, in which the collimator is configured to confine an incident angle of the light from a first micro-lens.

Abstract: The spectrometer includes a lightguide substrate, an upper grating layer, a lower grating layer, an image sensor, and a readout circuit. The upper grating layer is disposed on the lightguide substrate and configured to receive a light. The upper grating layer includes a first grating structure, a second grating structure, and a third grating structure, and the first, second, and third grating structures have different grating periods. The lightguide substrate is configured to diffract the light when the light propagates into the lightguide substrate, such that multiple diffraction lights are formed and each of the multiple diffraction lights has different wavelengths and different optical path. The lower grating layer is disposed under the lightguide substrate and configured to emit the multiple diffraction lights. The image sensor is disposed under the lower grating layer. The readout circuit is disposed under the image sensor.

Abstract: The spectrometer includes a lightguide substrate, an upper grating layer, a lower grating layer, an image sensor, and a readout circuit. The upper grating layer is disposed on the lightguide substrate and configured to receive a light. The upper grating layer includes a first grating structure, a second grating structure, and a third grating structure, and the first, second, and third grating structures have different grating periods. The lightguide substrate is configured to diffract the light when the light propagates into the lightguide substrate, such that multiple diffraction lights are formed and each of the multiple diffraction lights has different wavelengths and different optical path. The lower grating layer is disposed under the lightguide substrate and configured to emit the multiple diffraction lights. The image sensor is disposed under the lower grating layer. The readout circuit is disposed under the image sensor.

Abstract: A waveguide structure is provided. The waveguide structure includes waveguide combiners stacked one upon the other. Each waveguide combiner includes a waveguide plate and an input coupler disposed on the waveguide plate. The input coupler of at least one waveguide combiner includes first grating pillars, and each first grating pillar has a gradually changing refractive index.

Abstract: The optical system includes a projector, a deflector, a polarizer, a first grating coupler structure, and a second grating coupler structure. The projector emits three beams having different wavelengths. The deflector is disposed below the projector and is configured to change incident angles of the three beams and to focus the three beams at the same region of the first grating coupler structure. The first grating coupler structure is below the deflector and is configured to couple the three beams into a light-guide lens such that the three beams travel the same optical path within the light-guide lens. The light-guide lens is connected to the first grating coupler structure and is configured to transmit the three beams. The polarizer is disposed between the projector and the deflector and is configured to filter out transverse electric (TE) modes or transverse magnetic (TM) modes of the three beams.

Abstract: A bio-detection device is provided. The bio-detection device includes a plurality of pixel units. Each of the pixel units includes a substrate, one or more pairs of reflective sub-polarizing units, and a plurality of reaction sites. The pairs of reflective sub-polarizing units are disposed on the substrate. The difference of the absolute value between respective polarizing angles of the reflective sub-polarizing units in each pair of reflective sub-polarizing units is 90°. The reaction sites are defined above the one or more pairs of reflective sub-polarizing units. The reaction sites and the reflective sub-polarizing units are in one-to-one correspondence.

Abstract: A biosensor is provided. The biosensor includes a substrate, a first photodiode, a second photodiode, an angle-sensitive filter, and an immobilization layer. The first photodiode and the second photodiode are disposed in the substrate and define a first pixel and a second pixel, respectively. The first pixel and the second pixel receive a light. The angle-sensitive filter is disposed on the substrate. The immobilization layer is disposed on the angle-sensitive filter.