Light-emitting device having surface structure for limiting directional angle of light

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9882100
SERIAL NO

15216669

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A light-emitting device includes: a photoluminescent layer that emits light; and a light-transmissive layer on which the emitted light is to be incident. At least one of the photoluminescent layer and the light-transmissive layer defines a surface structure. The surface structure has projections and/or recesses to limit a directional angle of the emitted light. The photoluminescent layer and the light-transmissive layer are curved.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTDOSAKA JAPAN OSAKA

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hashiya, Akira Osaka, JP 52 288
Hirasawa, Taku Kyoto, JP 64 609
Inada, Yasuhisa Osaka, JP 111 407

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 Jul 30, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jul 30, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00