Patent classifications
H01L33/36
Light emitting device and method for manufacturing the same
A light emitting device includes a substrate, a light emitting element, a plurality of bumps and a cover member. The bumps are disposed between the substrate and the light emitting element to mount the light emitting element on the substrate. The bumps include a plurality of first bumps bonded to a first electrode of the light emitting element, and a plurality of second bumps bonded to a second electrode of the light emitting element. The first bumps are spaced apart from exposed portions of a first semiconductor layer of the light emitting element. The first bumps include a plurality of large bumps and a plurality of small bumps each having a smaller surface area than each of the large bumps in a plan view. The cover member covers the light emitting element, the bumps, and the substrate.
Light emitting device and method for manufacturing the same
A light emitting device includes a substrate, a light emitting element, a plurality of bumps and a cover member. The bumps are disposed between the substrate and the light emitting element to mount the light emitting element on the substrate. The bumps include a plurality of first bumps bonded to a first electrode of the light emitting element, and a plurality of second bumps bonded to a second electrode of the light emitting element. The first bumps are spaced apart from exposed portions of a first semiconductor layer of the light emitting element. The first bumps include a plurality of large bumps and a plurality of small bumps each having a smaller surface area than each of the large bumps in a plan view. The cover member covers the light emitting element, the bumps, and the substrate.
LIGHT EMITTING DEVICE PACKAGE AND LIGHTING APPARATUS INCLUDING THE SAME
A light emitting device of an embodiment includes a body including a black epoxy molding compound (EMC) including carbon black; first and second lead frames electrically separated from each other by the body; a light emitting device disposed above at least one of the first or second lead frame; and a molding member disposed above the body and the first and second lead frames so as to surround the light emitting device.
LIGHT-EMITTING COMPONENT, PRINTHEAD, AND IMAGE FORMING APPARATUS
A light-emitting component includes a substrate, plural light-emitting elements, and plural thyristors. The plural light-emitting elements are disposed on the substrate and emit light in a direction perpendicular to a front surface of the substrate. The plural thyristors are respectively stacked on the plural light-emitting elements and turn on to drive the light-emitting elements to emit light or to increase an emitted light amount. Each of the thyristors includes an opening in a path of light from the corresponding light-emitting element to the thyristor.
LIGHT-EMITTING COMPONENT, PRINTHEAD, AND IMAGE FORMING APPARATUS
A light-emitting component includes a substrate, plural light-emitting elements, and plural thyristors. The plural light-emitting elements are disposed on the substrate and emit light in a direction perpendicular to a front surface of the substrate. The plural thyristors are respectively stacked on the plural light-emitting elements and turn on to drive the light-emitting elements to emit light or to increase an emitted light amount. Each of the thyristors includes an opening in a path of light from the corresponding light-emitting element to the thyristor.
ULTRA-SMALL LED ELECTRODE ASSEMBLY HAVING IMPROVED LUMINANCE AND METHOD OF MANUFACTURING THE SAME
An ultra-small light-emitting diode (LED) electrode assembly having an improved luminance is provided. More particularly, an ultra-small LED electrode assembly in which light, which is blocked by an electrode and cannot be extracted, is minimized, an ultra-small LED device is connected to an ultra-small electrode without a defect such as an electrical short-circuit, and a very excellent luminance is exhibited even at a direct current (DC) driving voltage, and a method of manufacturing the same are provided.
LIGHT-EMITTING COMPONENT, PRINTHEAD, IMAGE FORMING APPARATUS, AND METHOD FOR MANUFACTURING LIGHT-EMITTING COMPONENT
A light-emitting component includes an insulating substrate, plural light-emitting elements, and plural thyristors. The plural light-emitting elements are disposed on the substrate and constituted by a first stacked semiconductor layer, the first stacked semiconductor layer being obtained by stacking plural semiconductor layers. The plural thyristors are constituted by a second stacked semiconductor layer disposed on the substrate such that the light-emitting elements and the thyristors are arranged side by side, connected to the plural light-emitting elements, respectively, and turn on to drive the light-emitting elements to emit light or to increase an emitted light amount, the second stacked semiconductor layer being obtained by stacking plural semiconductor layers that are different from the semiconductor layers of the first stacked semiconductor layer.
LIGHT-EMITTING COMPONENT, PRINTHEAD, IMAGE FORMING APPARATUS, AND METHOD FOR MANUFACTURING LIGHT-EMITTING COMPONENT
A light-emitting component includes an insulating substrate, plural light-emitting elements, and plural thyristors. The plural light-emitting elements are disposed on the substrate and constituted by a first stacked semiconductor layer, the first stacked semiconductor layer being obtained by stacking plural semiconductor layers. The plural thyristors are constituted by a second stacked semiconductor layer disposed on the substrate such that the light-emitting elements and the thyristors are arranged side by side, connected to the plural light-emitting elements, respectively, and turn on to drive the light-emitting elements to emit light or to increase an emitted light amount, the second stacked semiconductor layer being obtained by stacking plural semiconductor layers that are different from the semiconductor layers of the first stacked semiconductor layer.
Display device with separation member including steps
A display device includes: a substrate; a plurality of light-emission elements arranged, on the substrate, in a first direction and a second direction intersecting each other, each of the light-emission elements having a first electrode layer, an organic layer including a luminous layer, and a second electrode layer which are laminated in that order; and a separation section disposed, on the substrate, between the light-emission elements adjacent to each other in the first direction, the separation section having two or more pairs of steps. The first electrode layers in the light-emission elements are separated from each other, and the organic layers as well as the second electrode layers in the light-emission elements adjacent to each other in the first direction are separated from each other by the steps included in the separation section.
Display device with separation member including steps
A display device includes: a substrate; a plurality of light-emission elements arranged, on the substrate, in a first direction and a second direction intersecting each other, each of the light-emission elements having a first electrode layer, an organic layer including a luminous layer, and a second electrode layer which are laminated in that order; and a separation section disposed, on the substrate, between the light-emission elements adjacent to each other in the first direction, the separation section having two or more pairs of steps. The first electrode layers in the light-emission elements are separated from each other, and the organic layers as well as the second electrode layers in the light-emission elements adjacent to each other in the first direction are separated from each other by the steps included in the separation section.