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US 2010/0157203 A1Published application
Cold cathode discharge tube and manufacturing method thereof and liquid crystal display device
AssigneesHitachi Display Devices, Ltd., Hitachi Displays, Ltd.
InventorKazumasa HIRAI
Life of this patent
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Abstract
Provided is a manufacturing method for a cold cathode discharge tube including: preparing a plurality of glass tubes each having a phosphor layer formed on an inner surface thereof and joining the glass tubes together at ends thereof, to thereby form a bent glass tube having a bent tube portion; fitting electrodes to both ends of the bent glass tube; and filling gas inside of the bent glass tube.
Claims17
A manufacturing method for a cold cathode discharge tube, comprising:
- preparing a plurality of glass tubes each having a phosphor layer formed on an inner surface thereof and joining the plurality of glass tubes together at ends thereof, to thereby form a bent glass tube having a bent tube portion;
- fitting electrodes to both ends of the bent glass tube;
- and
- filling gas inside of the bent glass tube.
1 more element
A cold cathode discharge tube, comprising:
- a bent glass tube having a bent tube portion, the bent glass tube being formed by joining together a plurality of glass tubes each having a phosphor layer formed on an inner surface thereof;
- electrodes fitted to both ends of the bent glass tube;
- and
- gas filled inside of the bent glass tube.
1 more element
A liquid crystal display device, comprising:
- a liquid crystal display panel;
- and
- a backlight having a cold cathode discharge tube,
- wherein the cold cathode discharge tube includes:
- a bent glass tube having a bent tube portion, the bent glass tube being formed by joining together a plurality of glass tubes each having a phosphor layer formed on an inner surface thereof;
- electrodes fitted to both ends of the bent glass tube;
- and
- gas filled inside of the bent glass tube.
5 more elements
Dependencies are inferred from the claim text.