JP2005039264A5 - - Google Patents

Claims (12)

In the light emitting element having the first electrode and the second electrode provided on the same surface side in the light emitting layer and the first and second conductivity type layers sandwiching the light emitting layer,
In the electrode formation surface,
The first electrode is formed on the first electrode forming portion where the first conductive type layer is exposed, and the second electrode is formed on the second conductive type layer of the light emitting structure portion having the light emitting layer sandwiched between the first and second conductive type layers below. Is provided,
The second electrode has a lower electrode having an opening, and an upper electrode provided on the lower electrode,
The upper electrode has an extending portion extending in two different directions,
In the lower electrode surface, the opening has a two-dimensional periodic structure, and the periodic structure is two-dimensionally arranged with two axes inclined from each other at right angles,
The light emitting element characterized by the axial direction of the periodic structure being different from the extending direction. In the light emitting element having the first electrode and the second electrode provided on the same surface side in the light emitting layer and the first and second conductivity type layers sandwiching the light emitting layer,
In the electrode formation surface,
The first electrode is formed on the first electrode forming portion where the first conductive type layer is exposed, and the second electrode is formed on the second conductive type layer of the light emitting structure portion having the light emitting layer sandwiched between the first and second conductive type layers below. Is provided,
The second electrode has a lower electrode having a plurality of openings, and an upper electrode provided on the lower electrode,
An end of the upper electrode facing the first electrode has an extending end extending in a direction inclined in the facing direction;
In the lower electrode surface, the opening has a two-dimensional periodic structure, and the periodic structure is two-dimensionally arranged with two axes inclined from each other at right angles,
A light-emitting element, wherein an axial direction of the periodic structure is different from the facing direction. The light emitting device according to claim 2, wherein the extending end extends in two different directions. The first electrode has an electrode extension portion extending opposite to the extension end portion of the second electrode, and any one of the electrodes has a peripheral electrode portion surrounding the end portion of the other electrode extension portion. The light emitting device according to claim 2. The said lower electrode is provided on the light emission structure part between a 1st electrode and an upper electrode extending | stretching part or an extending | stretching edge part in an electrode formation surface, The Claim 1 thru | or 4 characterized by the above-mentioned. Light emitting element. The said lower electrode has the said opening part and the electrode formation part surrounding an opening part, This electrode formation part is the grid | lattice form formed in the said two axial directions, The 1st thru | or 5 characterized by the above-mentioned. The light emitting element of description. 7. The light emitting device according to claim 1, wherein a recess is provided in the second conductivity type layer corresponding to the opening of the lower electrode. The light emitting element, the electrode formation plane, along the side of the light emitting structure, the light emitting device of claims 1 to 7, wherein a portion of the light emitting structure portion has a concavo-convex portion which is formed separately. The light emitting device according to claim 8 , wherein the uneven portion is provided in a light emitting structure portion or a region sandwiched between the light emitting structure portion and the first electrode in the element operation portion. The light emitting device according to claim 8 or 9 , wherein the concavo-convex part has an extended part cut into the light emitting structure part. In the method of manufacturing a light emitting element having a light emitting layer and first and second conductivity type layers sandwiched between the first electrode and the second electrode provided on the same surface side,
In the electrode formation surface,
A lower electrode and an upper electrode are provided as a second electrode on the second conductive type layer of the light emitting structure having a light emitting layer sandwiched between the first and second conductive type layers below,
Forming a first electrode on the first electrode forming portion where the first conductivity type layer is exposed;
After forming the lower electrode, a mask is formed, a part of the lower electrode layer is removed by chemical etching, and the two-dimensional periodic structure is arranged two-dimensionally with two axes inclined from each other at right angles. Forming an opening;
Forming an upper electrode on the lower electrode, the extending portion extending in two directions different from the axial direction of the periodic structure, and a pedestal portion;
A method for manufacturing a light-emitting element, comprising: Characterized in that a light-emitting device according to claim 1 to 10, wherein a light-emitting device having a mounting portion that is mounted to the mounting section, the light emitting element is mounted on a support substrate, is placed A light emitting device .