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Patent Searching and Data


Title:
DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP2022023207
Kind Code:
A
Abstract:
To provide a display device with which it is possible to further reduce the height dimension without impairing the in-plane uniformity of illumination light.SOLUTION: A display device according to one embodiment of the present disclosure comprises a light-emitting device and a display panel unit. The light-emitting device includes a lightguide plate, a light source and a reflection plate. The lightguide plate has a light incident end face, a light emission surface including a plurality of protrusions extending in a direction orthogonal to the light incident end face, and a reverse side facing the light emission surface. The light source is arranged along the light incident end face. The reflection plate is arranged facing the reverse side of the lightguide plate. The display device further includes a dot pattern arranged in contact with the reverse side of the lightguide plate and the reflection plate, the dot pattern fixing the lightguide plate and the reflection plate to each other and functioning as a light scattering part.SELECTED DRAWING: Figure 1

Inventors:
YAMAMOTO TAKASHI
MIURA MITSUKI
YOSHIMATSU TOMOYUKI
Application Number:
JP2021179776A
Publication Date:
February 07, 2022
Filing Date:
November 02, 2021
Export Citation:
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Assignee:
SONY GROUP CORP
International Classes:
G02F1/13357; F21S2/00; G02F1/1335
Domestic Patent References:
JP2013211217A2013-10-10
JP2003511727A2003-03-25
JP2013093195A2013-05-16
JP2010146784A2010-07-01
JP2012252340A2012-12-20
JP2012208212A2012-10-25
JP2006221055A2006-08-24
Foreign References:
WO2010007716A12010-01-21
Attorney, Agent or Firm:
Patent Business Corporation Tsubasa International Patent Office