Light emitting device
AssigneeLG Innotek Co., Ltd.
InventorGeun Ho Kim
Life of this patent
Estimating the term…
Abstract
Provided are a light emitting device. The light emitting device comprises a package body, an insulating layer on a surface of the package body, first and second electrode layers on the insulating layer, a light emitting diode disposed on the package body and electrically connected to the first and second electrode layers, a resistor layer connected to the first electrode layer, a first element part in a first doping region within the package body, a second element part in a second doping region within the package body, and a third electrode layer connected to the first element part and the second element part.
Claims19
A light emitting device comprising:
- a package body;
- an insulating layer on a surface of the package body;
- first and second electrode layers on the insulating layer, the first and second electrode layers being spaced apart from each other;
- a light emitting diode disposed on the package body and electrically connected to the first and second electrode layers;
- a resistor layer connected to the first electrode layer;
- a first element part in a first doping region within the package body, the first element part being connected to the resistor layer to output a power source inputted from the resistor layer;
- a second element part in a second doping region within the package body, the second element part being connected to the light emitting diode to output the power source inputted from the resistor layer;
- and
- a third electrode layer connected to the first element part and the second element part, the third electrode layer having an electric potential less than those of the first electrode layer and the second electrode layer,
- wherein the resistor layer is connected to the first element part and the second element part,
- wherein the second element part is connected to the first element part and the second electrode layer, and
- wherein the resistor layer is spaced apart from the second electrode layer and the third electrode layer.
A light emitting device comprising:
- a conductive package body;
- an insulating layer on a surface of the conductive package body;
- first and second electrode layers on the insulating layer, the first and second electrode layers being spaced apart from each other;
- a resistor layer disposed on the insulating layer, the resistor layer connected to the first electrode layer;
- a first element part in a first doping region within the conductive package body, the first element part being connected to the resistor layer;
- a second element part in a second doping region within the conductive package body, the second element part being connected to the first element part and a cathode of the light emitting diode;
- and
- a light emitting diode disposed on the first electrode and connected to the first electrode layer and the second electrode layer,
- wherein the second element part comprises a second conductive type first well connected to the light emitting diode, a first conductive type second well connected to the light emitting diode and a first conductive type third well connected to the third electrode layer,
- wherein the second and third wells are electrically separated from each other within the first well,
- wherein the resistor layer is connected to the first element part and the second element part,
- wherein the second element part is connected to the first element part and the second electrode layer, and
- wherein the resistor layer is spaced apart from the second electrode layer and the third electrode layer.
Dependencies are inferred from the claim text.