Abstract: An optical structure is provided. The optical structure includes a substrate and a light-emitting element disposed on the substrate. The optical structure also includes a cap disposed on the substrate and covering the light-emitting element. The cap has a top portion and a sidewall connected to the top portion. The optical structure further includes a first micro-structure disposed on a first side of the top portion facing the light-emitting element. The first micro-structure is periodically arranged.

Abstract: A light emitting device includes a substrate, a conductive layer, first and second reflective layers, a light emitting element, and an encapsulation layer. The conductive layer is disposed on the substrate. The first reflective layer covers the conductive layer and has an opening exposing a portion of the conductive layer. The light emitting element is disposed in the opening and electrically connects to the conductive layer. The second reflective layer is disposed on the first reflective layer and surrounds the light emitting element. The second reflective layer has an outer diameter. A top surface of the second reflective layer is lower than a top surface of the light emitting element. The encapsulation layer covers the light emitting element. There is a height between a highest point of the encapsulation layer and an upper surface of the first reflective layer. The encapsulating layer is directly contact with the outer diameter.

Abstract: A light emitting device includes a substrate, a conductive layer, first and second reflective layers, a light emitting element, and an encapsulation layer. The conductive layer is disposed on the substrate. The first reflective layer covers the conductive layer and has an opening exposing a portion of the conductive layer. The light emitting element is disposed in the opening and electrically connects to the conductive layer. The second reflective layer is disposed on the first reflective layer and surrounds the light emitting element. The second reflective layer has an outer diameter. A top surface of the second reflective layer is lower than a top surface of the light emitting element. The encapsulation layer covers the light emitting element. There is a height between a highest point of the encapsulation layer and an upper surface of the first reflective layer. The encapsulating layer is directly contact with the outer diameter.

Abstract: The present disclosure provides a light emitting device including a substrate, a conductive layer, first and second reflective layers, a light emitting element, and an encapsulation layer. The conductive layer is disposed on the substrate. The first reflective layer covers the conductive layer and has an opening exposing a portion of the conductive layer. The light emitting element is disposed in the opening and electrically connects to the conductive layer. The second reflective layer is disposed on the first reflective layer and surrounds the light emitting element, and the second reflective layer has an outer diameter. The encapsulation layer covers the light emitting element. There is a height between a highest point of the encapsulation layer and an upper surface of the first reflective layer, and the height is 0.1 to 0.5 times the outer diameter. The present disclosure also provides a backlight and a display panel.

Abstract: The present disclosure provides a light emitting device including a substrate, a conductive layer, first and second reflective layers, a light emitting element, and an encapsulation layer. The conductive layer is disposed on the substrate. The first reflective layer covers the conductive layer and has an opening exposing a portion of the conductive layer. The light emitting element is disposed in the opening and electrically connects to the conductive layer. The second reflective layer is disposed on the first reflective layer and surrounds the light emitting element, and the second reflective layer has an outer diameter. The encapsulation layer covers the light emitting element. There is a height between a highest point of the encapsulation layer and an upper surface of the first reflective layer, and the height is 0.1 to 0.5 times the outer diameter. The present disclosure also provides a backlight and a display panel.

Abstract: A light emitting device includes a circuit board, light-emitting diodes, an optically clear adhesive layer and a transparent film. The light-emitting diodes are disposed on a surface of the circuit board. The optically clear adhesive layer is disposed on the surface of the circuit board and covers the light-emitting diodes. The transparent film is disposed over a side of the optically clear adhesive layer distant from the circuit board. A hardness of the transparent film is greater than a hardness of the optically clear adhesive layer.

Abstract: A light emitting device includes a circuit board, light-emitting diodes, an optically clear adhesive layer and a transparent film. The light-emitting diodes are disposed on a surface of the circuit board. The optically clear adhesive layer is disposed on the surface of the circuit board and covers the light-emitting diodes. The transparent film is disposed over a side of the optically clear adhesive layer distant from the circuit board. A hardness of the transparent film is greater than a hardness of the optically clear adhesive layer.

Abstract: A light source module includes a substrate, a first illumination element, a second illumination element and a third illumination element. The first illumination element includes a blue LED chip disposed on the substrate and a first wavelength converting layer that covers the blue LED chip, in which blue light emitted from the blue LED chip can be converted to light in the range of a first wavelength. The second illumination element includes a blue LED chip disposed on the substrate and a second wavelength converting layer that covers the blue LED chip, in which blue light emitted from the blue LED chip can be converted to light in the range of a second wavelength. The third illumination element includes a blue LED chip.

Abstract: A light emitting diode (LED) device includes a transparent substrate, a first reflection layer, a LED chip, a positive electrode, a negative electrode and a wavelength-converting layer. The LED chip is disposed on a surface of the transparent substrate, and the first reflection layer is disposed between the LED chip and the transparent substrate. The positive electrode and the negative electrode are disposed on an end portion of the transparent substrate and are electrically connected with the LED chip. The wavelength-converting layer covers the first reflection layer and the LED chip.

Abstract: The invention provides a light-emitting diode package. The light-emitting diode package includes a lead frame having a first lead and a second lead separated from each other by a space. A transparent plastic housing surrounds and encapsulates the lead frame to form a cup-shaped body having a recessed accommodating space. A bottom of the space is defined as a function area. The function area comprises an exposed surface of the first lead and an exposed surface of the second lead. A top of the space is defined as an opening for light emission. A light-emitting diode chip is mounted on the first lead in the function area, electrically connected to the second lead. A white reflective material is disposed on an isolation area in the function area, covering the first and second leads adjacent to the space. An encapsulation material fills the recessed accommodating space.

Abstract: A light emitting diode (LED) device includes a transparent substrate, a first reflection layer, a LED chip, a positive electrode, a negative electrode and a wavelength-converting layer. The LED chip is disposed on a surface of the transparent substrate, and the first reflection layer is disposed between the LED chip and the transparent substrate. The positive electrode and the negative electrode are disposed on an end portion of the transparent substrate and are electrically connected with the LED chip. The wavelength-converting layer covers the first reflection layer and the LED chip.

Abstract: A LED package structure including a carrier and a light emitting diode (LED) chip is provided. The LED chip includes a substrate, a patterned structure, a first semiconductor layer, an active layer and a second semiconductor layer. The substrate has a first surface and a second surface opposite to the first surface. The patterned structure is formed on the second surface of the substrate. The first semiconductor layer is disposed on the first surface of the substrate. The active layer is disposed on a portion of a surface of the first semiconductor layer, and other portion of the surface not covered by the active layer is exposed. The second semiconductor layer is disposed on the active layer. The LED chip is disposed on the carrier by way of flip-chip so that the first and the second semiconductor layers face towards the carrier.

Abstract: A phosphor composition is provided. The phosphor composition comprises a phosphor nucleus and a hydrophobic layer. The hydrophobic layer is bonded on a surface of the phosphor nucleus and consists of an organic compound with a hydrophobic functional group.

Abstract: A light source module includes a substrate, a first LED package and a second LED package. The first and second LED packages are disposed on the substrate. The first LED package includes a first blue LED chip and a first phosphor. The first blue LED chip emits light in the range of the wavelength for blue light. The first phosphor is used to convert the wavelength of a portion of the light emitted from the first blue LED chip. The second LED package includes a second blue LED chip and a second phosphor. The second blue LED chip emits light in the range of the wavelength for blue light. The second phosphor is used to convert the wavelength of a portion of the light emitted from the second blue LED chip. The wavelength associated with the second phosphor is greater than that associated with the first phosphor.

Abstract: A light-emitting diode (LED) package comprising a carrier, an LED chip and a phosphor glue is provided. The carrier has a recess, an upper surface, and a ring-shape rough surface connected to a top edge of the recess. The LED chip is disposed within the recess. The phosphor glue fills up the recess and over the upper surface of the carrier. An edge of the phosphor glue contacts the ring-shape rough surface.

Abstract: A phosphor composition is provided. The phosphor composition comprises a phosphor nucleus and a hydrophobic layer. The hydrophobic layer is bonded on a surface of the phosphor nucleus and consists of an organic compound with a hydrophobic functional group.

Abstract: A light emitting diode device includes a substrate, a light emitting diode chip, an optical lens and an adhesive interface layer. The light emitting diode chip is electrically connected with the substrate. The optical lens has an accommodation cavity to enclose the light emitting diode chip on the substrate, wherein the accommodation cavity includes a micro diffusion structure on an inner wall thereof. The adhesive interface layer is filled within the accommodation cavity of the optical lens.

Abstract: A light source module includes a substrate, a first illumination element, a second illumination element and a third illumination element. The first illumination element includes a blue LED chip disposed on the substrate and a first wavelength converting layer that covers the blue LED chip, in which blue light emitted from the blue LED chip can be converted to light in the range of a first wavelength. The second illumination element includes a blue LED chip disposed on the substrate and a second wavelength converting layer that covers the blue LED chip, in which blue light emitted from the blue LED chip can be converted to light in the range of a second wavelength. The third illumination element includes a blue LED chip.

Abstract: A light-emitting diode (LED) package comprising a carrier, an LED chip and a phosphor glue is provided. The carrier has a recess, an upper surface, and a ring-shape rough surface connected to a top edge of the recess. The LED chip is disposed within the recess. The phosphor glue fills up the recess and over the upper surface of the carrier. An edge of the phosphor glue contacts the ring-shape rough surface.

Abstract: A light source module includes a substrate, a first LED package and a second LED package. The first and second LED packages are disposed on the substrate. The first LED package includes a first blue LED chip and a first phosphor. The first blue LED chip emits light in the range of the wavelength for blue light. The first phosphor is used to convert the wavelength of a portion of the light emitted from the first blue LED chip. The second LED package includes a second blue LED chip and a second phosphor. The second blue LED chip emits light in the range of the wavelength for blue light. The second phosphor is used to convert the wavelength of a portion of the light emitted from the second blue LED chip. The wavelength associated with the second phosphor is greater than that associated with the first phosphor.