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US 2014/0153213 A1Published application
Display device
AssigneeSamsung Display Co., Ltd.
InventorsJoon Hak OH, Ha-Yun KANG, Jong Seo LEE
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Abstract
A display device includes: a display panel assembly; and a backlight unit. The backlight unit includes an optical sheet, a reflective sheet and a light source. One of the optical sheet and the reflective sheet includes a material which supplies a sound by receiving an electrical field.
Claims25
A display device, comprising:
- a display panel assembly;
- and
- a backlight unit comprising an optical sheet, a reflective sheet and a light source,
- wherein one of the optical sheet and the reflective sheet comprises a material which supplies a sound by receiving an electrical field.
1 more element
A display device, comprising:
- a display panel assembly;
- and
- a polarization sheet on a display side of the display panel assembly,
- wherein the polarization sheet comprises:
- a vibration material layer comprising a material which supplies a sound by receiving an electrical field;
- and
- a sound element comprising a pair of electrodes respectively on upper and lower sides of the vibration material layer.
4 more elements
Dependencies are inferred from the claim text.