Field emission cathode and light source apparatus using same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01J-061/02
H01J-061/35
H01J-001/304
H01J-001/30
출원번호
UP-0181552
(2005-07-14)
등록번호
US-7638935
(2010-01-07)
우선권정보
CN-2004 1 0554070(2004-07-22)
발명자
/ 주소
Liu, Peng
Wei, Yang
Sheng, Lei Mei
Liu, Liang
Hu, Zhao Fu
Guo, Cai Lin
Chen, Pi Jin
Fan, Shou Shan
출원인 / 주소
Tsinghua University
Hon Hai Precision Industry Co., Ltd.
대리인 / 주소
Bonderer, D. Austin
인용정보
피인용 횟수 :
1인용 특허 :
9
초록▼
A light source apparatus (8) includes a rear plate (80), a front plate formed with an anode layer (82), and a cathode (81) interposed therebetween. The cathode includes a plurality of electrically conductive carriers (812) and a plurality of field emitters (816) formed thereon. The field emitters ar
A light source apparatus (8) includes a rear plate (80), a front plate formed with an anode layer (82), and a cathode (81) interposed therebetween. The cathode includes a plurality of electrically conductive carriers (812) and a plurality of field emitters (816) formed thereon. The field emitters are uniformly distributed on anode-facing surfaces of the conductive carriers. Preferably, the field emitters extend radially outwardly from the corresponding conductive carriers. The conductive carriers are parallel with each other, and are located substantially on a common plane. Each of the conductive carriers can be connected with a pulling device arranged at least one end thereof, and an example of the pulling device is a spring. The conductive carriers may be cylindrical, prism-shaped or polyhedral.
대표청구항▼
We claim: 1. A light source apparatus comprising: a field emission cathode including a plurality of conductive carriers, and a plurality of field emitters formed on the conductive carriers; an upper plate with only one upper anode located thereon; a lower plate with only one lower anode located the
We claim: 1. A light source apparatus comprising: a field emission cathode including a plurality of conductive carriers, and a plurality of field emitters formed on the conductive carriers; an upper plate with only one upper anode located thereon; a lower plate with only one lower anode located thereon; and fluorescent layers formed in strips on each of the upper anode and the lower anode, corresponding to each of the conductive carriers, wherein the field emission cathode is arranged between the upper anode and the lower anode. 2. The light source apparatus according to claim 1, further comprising a grid electrode arranged between the upper anode or the lower anode and the field emission cathode. 3. The light source apparatus according to claim 1, wherein the conductive carriers are parallel with each other, and are located in substantially a common plane. 4. The light source apparatus according to claim 1, wherein the field emitters extend radially outward from the corresponding conductive carriers. 5. The light source apparatus according to claim 1, wherein the field emitters comprises of a material that is selected from the group consisting of metals, non-metals, compositions, and one-dimensional nanomaterials. 6. The light source apparatus according to claim 1, wherein at least one end of each of the conductive carriers is connected with a pulling device. 7. The light source apparatus according to claim 6, wherein the pulling device is a spring. 8. The light source apparatus according to claim 1, wherein the conductive criers are cylindrical, prism-shaped, or polyhedral. 9. The light source apparatus according to claim 1. wherein the conductive carriers are wire shaped. 10. The light source apparatus according to claim 1, wherein length directions of the fluorescent layers are parallel to the conductive carriers. 11. A light source apparatus comprising: an upper anode; a plurality of upper fluorescent layers, formed in strips having a longitudinal axis, located on the upper anode; a lower anode facing the upper anode; a plurality of lower fluorescent layers, formed in strips having a longitudinal axis, located on the lower anode; and a field emission cathode located between the upper anode and the lower anode, the filed omission cathode comprising a plurality of conductive carriers, and a plurality of field emitters located on the conductive carriers; wherein the longitudinal axis of the plurality of upper fluorescent layers, the longitudinal axis of the plurality of the lower fluorescent layers, and the plurality of conductive carriers are parallel with each other. 12. The light source apparatus according to claim 11, wherein the field emitters extend radially outward from the corresponding conductive carriers. 13. The light source apparatus according to claim 11, wherein the field emitters comprises of a material that is selected from the group consisting of metals, non-metals, compositions, and one-dimensional nanomaterials. 14. The light source apparatus according to claim 11, wherein at least one end of each of the conductive carriers is connected with a pulling device. 15. The light source apparatus according to claim 14, wherein the pulling device is a spring. 16. The light source apparatus according to claim 11, wherein the conductive carriers are cylindrical, prism-shaped, or polyhedral. 17. A light source apparatus comprising: an upper anode; a plurality of upper fluorescent layers, formed in strips having a longitudinal axis, located on the upper anode; a lower anode facing the upper anode; a plurality of lower fluorescent layers, formed in strips having a longitudinal axis, located on the lower anode; and a field emission cathode located between the upper anode and the lower anode, the filed emission cathode comprising a plurality of conductive carriers, and a plurality of field emitters located on the conductive carriers; wherein the longitudinal axis of the plurality of upper fluorescent layers, the longitudinal axis of the plurality of the lower fluorescent layers, and the plurality of conductive carriers are parallel with each other; the plurality of lower fluorescent layers face the plurality of upper fluorescent layers in a one to one manner, and the plurality of conductive carriers are located between the plurality of lower fluorescent layers and the plurality of upper fluorescent layers in a one to one manner.
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