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US 8,716,926 B2Granted
Backlight unit using electron emission elements and a display apparatus having the same
AssigneeSamsung Electronics Co., Ltd.
InventorsYu-jeong Cho, Hun-su Kim, Bok-chun Yun
Life of this patent
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Abstract
A backlight unit includes a first substrate including an anode electrode; and a second substrate including a cathode electrode and an electron emission element, wherein the cathode electrode includes a terminal portion and at least one electrode strip extending from the terminal portion, and the electrode strip includes an electron emission portion on which the electron emission element is mounted and a junction portion which is disposed between the terminal portion and the electron emission portion, and wherein the closer the junction portion is to the terminal portion the greater the width of the junction portion is.
Claims18
A backlight unit comprising:
- a first substrate which comprises an anode electrode;
- and
- a second substrate which comprises at least one cathode electrode and at least one electron emission element,
- wherein the cathode electrode comprises a terminal portion and at least one electrode strip extending from the terminal portion, and the electrode strip comprises an electron emission portion on which the electron emission element is mounted and a junction portion disposed between the terminal portion and the electron emission portion, and
- wherein the closer the junction portion is to the terminal portion the greater the width of the junction portion is.
2 more elements
A backlight unit comprising:
- a first substrate which comprises an anode electrode;
- and
- a second substrate which comprises at least one cathode electrode and at least one electron emission element,
- wherein the cathode electrode comprises a terminal portion and at least one electrode strip extending from the terminal portion, and
- wherein the terminal portion comprises at least one penetrating hole.
2 more elements
A backlight unit comprising:
- a first substrate which comprises an anode electrode;
- and
- a second substrate which comprises at least one cathode electrode and at least one electron emission element,
- wherein the cathode electrode comprises a terminal portion and at least one electrode strip extending from the terminal portion, and the electrode strip comprises a rounded shape at a boundary with the terminal portion.
1 more element
A backlight unit comprising:
- a first substrate which comprises a fluorescent substance layer and an anode electrode;
- and
- a second substrate which comprises at least one cathode electrode and at least one electron emission element,
- wherein the cathode electrode comprises a terminal portion and at least one electrode strip extending from the terminal portion, and the electrode strip comprises an electron emission portion on which the electron emission element is mounted and a junction portion disposed between the terminal portion and the electron emission portion, and
- wherein the closer the junction portion is to the terminal portion the greater the width of the junction portion is, the terminal portion has at least one penetrating hole, and the junction portion has a rounded shape at a boundary with the terminal portion.
2 more elements
A display apparatus comprising:
- a backlight unit;
- a display panel which converts light radiated from the backlight unit into an image;
- and
- a housing which accommodates the backlight unit and the image panel,
- wherein the backlight unit comprises:
- a first substrate which comprises an anode electrode;
- and
- a second substrate which comprises at least one cathode electrode and at least one electron emission element,
- wherein the cathode electrode comprises a terminal portion and at least one electrode strip extending from the terminal portion, and the electrode strip comprises an electron emission portion on which the electron emission element is mounted and a junction portion disposed between the terminal portion and the electron emission portion, and
- wherein the closer the junction portion is to the terminal portion the greater the width of the junction portion is.
7 more elements
A display apparatus comprising:
- a backlight unit;
- a display panel which converts light radiated from the backlight unit into an image;
- and
- a housing which accommodates the backlight unit and the image panel,
- wherein the backlight unit comprises:
- a first substrate which comprises an anode electrode;
- and
- a second substrate which comprises at least one cathode electrode and at least one electron emission element,
- wherein the cathode electrode comprises a terminal portion and at least one electrode strip extending from the terminal portion, and the electrode strip comprises an electron emission portion on which the electron emission element is mounted and a junction portion disposed between the terminal portion and the electron emission portion, and
- wherein the terminal portion has at least one penetrating hole.
7 more elements
Dependencies are inferred from the claim text.