A light-emitting element includes a mesa structure in which a first compound semiconductor layer of a first conductivity type, an active layer, and a second compound semiconductor layer of a second conductivity type are disposed in that order, wherein at least one of the first compound semiconductor layer and the second compound semiconductor layer has a current …

Legal parties

Inventors (applicants): Tomoyuki Oki, Takahiro Arakida, Yuji Masui, Yoshinori Yamauchi, Rintaro Koda
Assignees (initial): Sony Corporation (Tokyo, JP)
Agents: Rader, Fishman & Grauer PLLC (attorney)

The application was examined by Delma R Forde, Jessica Stultz (USPTO dept. 2828)


  • 1. A light-emitting element comprising: …
  • 2. The light-emitting element according to claim 1 , further comprising a second electrode extending …
  • 3. The light-emitting element according to claim 1 , wherein the relationship W W /W I ≦2 is satisfied …

International priority data

JP: 2007-109654 / Apr. 18, 2007 (national)

Cited documents


  • JP 2003-324251 A, Nov. 1, 2003
  • JP 2004-214332 A, Jul. 1, 2004
  • JP 2005-045107 A, Feb. 1, 2005
  • JP 2005-026625, Jan. 1, 2005
  • JP 2006-156947 A, Jun. 1, 2006
  • JP 2004-319553, Nov. 1, 2004
  • JP 09-223841 A, Aug. 1, 1997
  • JP 11-150340, Jun. 1, 1999
  • JP 2006-066482 A, Mar. 1, 2006
  • Gordon US 4783788 A / 372/45.01, Nov. 1, 1988
  • JP 2002-223033 A, Aug. 1, 2002
  • JP 02-065288, Mar. 1, 1990
  • JP 08-213712 A, Aug. 1, 1996
  • JP 2004319553 A, Nov. 1, 2004
  • Sato US 2004/0156409 A1 / 372/45, Aug. 1, 2004
  • JP 2990837, Oct. 1, 1999

Brief Description of the Drawings

FIGS. 1A and 1B are a schematic partial cross-sectional view and a schematic partial plan view, respectively, of a light-emitting element in Example 1; FIGS. 2A and 2B are each …


Cross References to Related Applications

The present invention contains subject matter related to Japanese Patent Application JP 2007-109654 filed in the Japanese Patent Office on Apr. 18, 2007, the entire contents of which are incorporated …

Description of the Preferred Embodiments

The embodiments of the present invention will be described based on examples with reference …

Example 1

Example 1 relates to a light-emitting element according to the first embodiment of the present invention and a method for manufacturing the light-emitting element according to the first embodiment. FIGS. …

More details about Light-Emitting Element and Method for Manufacturing the Same

Miscellaneous patent data

The patent particularly claims a light-emitting element comprising…, similar classification categories are Superradiant Laser, Controlling light intensity, Stabilisation of laser output parameters, Arrays of surface emitting lasers, Buried mesa structure, Aerodynamic window, Free Electron Laser, an organic dye laser, Pumping with optical or radiant energy, One or more reflectors having variable properties or positions for initial adjustment of the resonator, numbered 12/078,681 (application), the examination was conducted by Jessica Stultz (primary examiner) and Delma R Forde (assistant, 2828 USPTO department), the invention description is illustrated by 20 drawings, categorized under With vertical output (surface emission) as a primary classification, the published inventor's name is Yuji Masui, assigned to a foreign company or corporation, the protection scope is defined by 6 claims, includes the following drawings: schematic partial cross-sectional view and a schematic, schematic partial cross-sectional view of a substrate, Light-Emitting Element and Method for Manufacturing, schematic partial cross-sectional view of the substrate, the known applicant's name is Yamauchi Yoshinori, the application publication date is Apr. 3, 2008, the claim number 1 is selected as exemplary, 36 figures depict the invention details, the recorded agent - Rader, Fishman & Grauer PLLC, the invention is named Light-Emitting Element and Method for Manufacturing the Same, the patent extension term is 1178 days, the patent was granted on Jun. 24, 2014, the grant publication number is 08761221, the assignee location is Tokyo (JP); its organization is Sony Corporation, developed by Takahiro Arakida et al.

Invention classification information

The invention is classified under Semiconductor lasers, Particular confinement layer, Particular current control structure, Monolithic integrated, Semiconductor, With vertical output (surface emission). The designated search classifications include With vertical output (surface emission), Particular confinement layer, Semiconductor, Monolithic integrated, Particular current control structure.

Patent details
Publication number 08761221
Publication date Jun. 24, 2014
Kind code B2
Application number 12/078,681
Application date Apr. 3, 2008
Application type U
Application series code 12
Extension term 1178
National classification 372/50.124
Total number of claims 6
Exemplary claims 1
Number of drawings 20
Number of figures 36
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