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US 9,564,895 B2Granted
Touch key assembly and display device including the touch key assembly
AssigneeSamsung Display Co., Ltd.
InventorKyu-Han Bae
Life of this patent
Estimating the term…
Abstract
A touch key assembly includes a light guiding film between a window and a display panel, a flexible printed circuit (FPC) film attached to the light guiding film, and an attaching member including an attaching portion interposed between the light guiding film and the window, and a blocking portion interposed between the window and the display panel.
Claims6
A touch key assembly comprising:
- a touch key comprising:
- a light guiding film between a window and a display panel;
- and
- a flexible printed circuit (FPC) film attached to the light guiding film;
- a resin fixing the window to the display panel;
- and
- an attaching member that is separate from the light guiding film, and that is a double-sided tape comprising:
- an attaching portion interposed between the light guiding film and the window for attaching the light guiding film to the window;
- and
- a blocking portion integrally formed with the attaching portion, interposed between the window and the display panel for attaching the window to the display panel, interposed between the touch key and the resin for reducing infiltration of the resin into the touch key, and having a thickness that is greater than that of the attaching portion in a display direction for reducing leakage of light from the light guiding film.
7 more elements
A display device comprising:
- a display panel;
- a window facing the display panel, the window having a display region and a non-display region;
- a resin attaching the display panel to the window;
- a touch key comprising a light guiding film between the non-display region of the window and the display panel, and a flexible printed circuit (FPC) film attached to the light guiding film;
- and
- an attaching member that is separate from the light guiding film, and that is a double-sided tape comprising
- an attaching portion interposed between the light guiding film and the window for attaching the light guiding film to the window;
- and
- a blocking portion integrally formed with the attaching portion, interposed between the window and the display panel for attaching the window to the display panel, interposed between the touch key and the resin for reducing infiltration of the resin into the touch key, and having a thickness that is greater than that of the attaching portion in a display direction for reducing infiltration of light from the light guiding film.
6 more elements
Dependencies are inferred from the claim text.