Semiconductor light emitting element and light emitting device

Abstract

A semiconductor light emitting element includes a first substrate, a stacked body, an electrode, and a conductive layer. The first substrate has a first face and a first side face. The first side face intersects the first face. The first substrate includes a plurality of conductive portions and a plurality of insulating portions arranged alternately. The stacked body is aligned with the first substrate. The stacked body includes first and second semiconductor layers and a light emitting layer. The electrode is electrically connected to the first semiconductor layer. The conductive layer is electrically connected to at least one of the conductive portions and the second semiconductor layer. At least one of the insulating portions is disposed between the first side face and a portion of the conductive layer nearest to the first side face.

What is claimed is: 
     
         1 . A semiconductor light emitting element, comprising:
 a first substrate having a first face and a first side face, the first face being parallel to a first direction and a second direction perpendicular to the first direction, the first side face intersecting the first direction and extending in the second direction, the first substrate including a plurality of conductive portions and a plurality of insulating portions arranged alternately in the first direction, each of the conductive portions and each of the insulating portions extending in the second direction;   a stacked body aligned with the first substrate in a third direction intersecting with the first direction and the second direction, the stacked body including a first semiconductor layer and a second semiconductor layer and a light emitting layer, the first semiconductor layer including a first portion and a second portion aligned with the first portion in the first direction, the first semiconductor layer being of a first conductivity type, the second semiconductor layer being provided between the first portion and the first face, the second semiconductor layer being of a second conductivity type, the light emitting layer being provided between the first semiconductor layer and the second semiconductor layer;   an electrode provided between the second portion and the first substrate, the electrode being electrically connected to the first semiconductor layer; and   a conductive layer provided between the second semiconductor layer and the first substrate, the conductive layer being electrically connected to at least one of the conductive portions and the second semiconductor layer,   at least one of the insulating portions being disposed between the first side face and a portion of the conductive layer nearest to the first side face.   
     
     
         2 . The element according to  claim 1 , wherein
 a plurality of electrodes is provided,   one of the electrodes is electrically connected to the conductive portion different from the conductive portion electrically connected to the conductive layer, and   one other of the electrodes is electrically connected to the conductive portion different from the conductive layer and the one of the electrode.   
     
     
         3 . A light emitting device, comprising:
 the semiconductor light emitting element according to  claim 1 ; and   a second substrate including a first electrode pad and a second electrode pad, the first electrode pad being electrically connected to the electrode, the second electrode pad being electrically connected to the conductive layer.   
     
     
         4 . The element according to  claim 1 , wherein
 a width of each of the insulating portions in the first direction is not less than 1 μm and not more than 10 μm, and   a distance between centers of each of the insulating portions in the first direction is not less than 2 μm and not more than 30 μm.   
     
     
         5 . The element according to  claim 1 , wherein
 the first face includes a first region electrically connected to the first semiconductor layer, and a second region electrically connected to the second semiconductor layer, and   a distance between centers of each of the insulating portions in the first direction is not more than a distance between the first region and the second region in the first direction.   
     
     
         6 . The element according to  claim 1 , wherein the width of the first semiconductor layer in the first direction reduces in a direction from the first substrate towards the stacked body. 
     
     
         7 . The element according to  claim 1 , wherein
 the first substrate includes:
 a first alternating portion in which each of the conductive portions and the insulating portions are arranged alternately in the first direction; 
 a second alternating portion separated from the first alternating portion in the first direction, in which each of the conductive portions and the insulating portions are arranged alternately in the first direction; and 
 an intermediate portion disposed between the first alternating portion and the second alternating portion, 
   the intermediate portion includes an intermediate conductive portion electrically connected to the conductive layer, and   a width of the intermediate conductive portion in the first direction is wider than a width of the conductive portion in the first direction.   
     
     
         8 . The element according to  claim 1 , wherein
 the first substrate includes:
 a plurality of first metal portions each provided at one end of each of the conductive portions in the third direction; and 
 a plurality of second metal portions each provided at the other end of each of the conductive portions in the third direction. 
   
     
     
         9 . The element according to  claim 1 , wherein
 an electrical conductivity of each of the first metal portions is higher than an electrical conductivity of each of the conductive portions, and   an electrical conductivity of each of the second metal portions is higher than the electrical conductivity of each of the conductive portions.   
     
     
         10 . The element according to  claim 1 , wherein
 the first substrate further includes:
 a plurality of intermediate insulating portions each provided between the conductive portions and the insulating portions; and 
 a plurality of intermediate conductive portions each provided between each of the intermediate insulating portions and the insulating portions. 
   
     
     
         11 . The device according to  claim 3 , wherein
 the electrode is electrically connected to at least one other of the conductive portions different from the at least one of the conductive portions electrically connected to the conductive layer,   the first electrode pad is electrically connected to the electrode via the at least one other of the conductive portions, and   the second electrode pad is electrically connected to the conductive layer via the at least one of the conductive portions.   
     
     
         12 . The device according to  claim 3 , further comprising:
 a first connection member electrically connecting the electrode and the first electrode pad; and   a second connection member electrically connecting the conductive layer and the second electrode pad,   the first connection member contacting the first side face.   
     
     
         13 . A first substrate having a first face and a first side face, the first face being parallel to a first direction and a second direction perpendicular to the first direction, the first side face intersecting the first direction and extending in the second direction,
 the first substrate comprising a plurality of conductive portions and a plurality of insulating portions arranged alternately in the first direction, each of the conductive portions and each of the insulating portions extending in the second direction.