Display device comprising a flat cathode ray tube

Claim 2

A flat type cathode ray tube comprising: a phosphor screen (21), a plurality of vertical scanning electrode (13) which has an oblong configuration in horizontal direction and each other isolated and lined-up in vertical direction thereby to form a substantially parallel plane to said phosphor screen (21) for vertically scanning electron beams onto said phosphor screen (21) by changing potentials which are to be applied thereto, a plurality of horizontal focussing and deflection electrode (17,18 and 19) which is disposed between said phosphor screen (21) and said vertical scanning electrode (13) and is parallelly lined-up in horizontal direction for horizontally scanning and focussing electron beams within predetermined ranges onto said phosphor screen (21), a plurality of electron beam emitting means (10) which is disposed between said vertical scanning electrode (13) and said horizontal focussing and deflection electrode (17,18 and 19) in each space partitioned by parallelly opposing disposition of said horizontal focussing and deflection electrode(17,17ʹ, 18,18ʹ, 19 and 19ʹ) for emitting electron beams in substantially vertical direction along said vertical scanning electrode (13), and a vacuum enclosure (14,22 and others) for enclosing the above-mentioned parts.

Claim 3

A flat type cathode ray tube in accordance with claim 1, further comprising: a plate-shaped shield electrode (15) wherein a slit aperture is formed within said each space between said vertical scanning electrode (13) and said horizontal focussing and deflection electrode (17, 18 and 19).

Claim 4

A flat type cathode ray tube in accordance with claim 1 or 2, wherein said electron beam emitting means (10) has auxiliary deflection electrodes (11a, 11b, 12a and 12b) for adjusting each course of electron beams.

Claim 5

A flat type cathode ray tube in accordance with one of the claims 1 to 3, wherein said vacuum enclosure (14, 22 and others) comprises a face plate (22) whereon said phosphor screen (21) is provided and a rear plate (14) whereon said vertical scanning electrode (13) is provided, and said horizontal focussing and deflection electrode (17,18 and 19) has supporting means (26) on an end thereof for supporting said face plate (22) and rear plate (14) against atmospheric pressure impressed thereto.

Claim 6

A flat type cathode ray tube in accordance with one of the claims 1 to 4, wherein applying means which sequentially impresses deflection voltage to said vertical scanning electrode (13) for deflecting electron beams to said phosphor screen (21).

Claim 7

A flat type cathode ray tube in accordance with one of the claims 1 to 5, wherein said horizontal focussing and deflection electrodes (17, 18 and 19) are separated in traveling direction of electron beams and are impressed with each other different d.c. deflection voltages.

Claim 8

A flat type cathode ray tube comprising: a phosphor screen (21), a plurality of vertical scanning electrode (13) which has an oblong configuration in horizontal direction and each other isolated and lined-up in vertical direction thereby to form a substantially parallel plane to said phosphor screen (21) for vertically scanning electron beams onto said phosphor screen (21) by changing potentials which are to be applied thereto, a plurality of horizontal focussing and deflection electrode (17,18 and 19) which is disposed between said phosphor screen (21) and said vertical scanning electrode (13) and is parallelly lined-up in horizontal direction for horizontally scanning and focussing electron beams within predetermined ranges onto said phosphor screen (21), a plurality of electron beams emitting means (10) which is disposed between said vertical scanning electrode (13) and said horizontal focussing and deflection electrode (17,18 and 19) in each space partitioned by parallelly opposing disposition of said horizontal focussing and deflection electrodes(17,17ʹ, 18,18ʹ,19 and 19ʹ) for emitting electron beams in substantially vertical direction along said vertical scanning electrode (13), an electron beam position detecting electrode (23) which is disposed to face said electron beam emitting means (10) for detecting position of electron beams which travel along said vertical scanning electrode, and a vacuum enclosure (14,22 and others) for enclosing the above-mentioned parts.

Claim 9

A flat type cathode ray tube comprising: a phosphor screen (21), a plurality of vertical scanning electrode (13) which has an oblong configuration in horizontal direction and each other isolated and lined-up in vertical direction thereby to form a substantially parallel plane to said phosphor screen (21) for vertically scanning electron beams onto said phosphor screen (21) by changing potentials which are to be applied thereto, a plurality of horizontal focussing and deflection electrode (17,18 and 19) which is disposed between said phosphor screen (21) and said vertical scanning electrode (13) and is parallelly lined-up in horizontal direction for horizontally scanning and focussing electron beams within predetermined ranges onto said phosphor screen (21), a plurality of electron beams emitting means (10) which is disposed between said vertical scanning electrode (13) and said horizontal focussing and deflection electrode (17,18 and 19) in each space partitioned by parallelly opposing disposition of said horizontal focussing and deflection electrodes(17,17ʹ, 18,18ʹ,19 and 19ʹ) for emitting electron beams in substantially vertical direction along said vertical scanning electrode (13), an electron beam position detecting electrode (23) which is disposed to face said electron beam emitting means (10) for detecting position of electron beams which travel along said vertical scanning electrode, and a vacuum enclosure (14,22 and others) for enclosing the above-mentioned parts.

Claim 10

A flat type cathode ray tube in accordance with claim 7, wherein said electron beam position detecting electrode (23) comprises two electron beam position detecting electrodes (23a, 23b) which have projections or slit like apertures nearly to centerlines of said electron beam emitting means (10) and are oppositely disposed each other, and said electron beam emitting means (10) has auxiliary deflection electrode (11a, 11b, 12a and 12b) whereto control voltages are applied for making beam currents which flow into said two electron beam position detecting electrodes (23a, 23b) maximum and equal.

Claim 11

A flat type cathode ray tube in accordance with claim 7 or 8, further comprising: an electron beam catching electrode (23c) which is disposed above said electron beam position detecting electrode (23) for detecting electron beams which passes through an aperture of said electron beam position detecting electrode (23) thereby to adjust control voltages of said electron beam emitting means (10).

Claim 12

A flat type cathode ray tube in accordance with one of the claims 7 to 9, further comprising: a plate-shaped shield electrode (15) wherein a slit aperture is formed within said each space between said vertical scanning electrode (13) and said horizontal focussing and deflection electrode (17, 18 and 19).

Claim 13

A flat type cathode ray tube in accordance with one of the claims 7 to 10, wherein said electron beam emitting means (10) has auxiliary deflection electrodes (11a, 11b, 12a and 12b) for adjusting each course of electron beam.

Claim 14

A flat type cathode ray tube in accordance with one of the claims 7 to 11, wherein said vacuum enclosure (14, 22 and others) comprises a face plate (22) whereon said phosphor screen (21) is provided and a rear plate (14) whereon said vertical scanning electrode (13) is provided, and said horizontal focussing and deflection electrode (17,18 and 19) has supporting means (26) on an end thereof for supporting said face plate (22) and rear plate (14) against atmospheric pressure impressed thereto.

Claim 15

A flat type cathode ray tube in accordance with one of the claims 7 to 12, further comprising: applying means which sequentially impresses deflection voltage to said vertical scanning electrode (13) for deflecting electron beams to said phosphor screed (21).

Claim 16

A flat type cathode ray tube in accordance with one of the claims 7 to 13, wherein said horizontal focussing and deflection electrodes (17, 18 and 19) are separated in traveling direction of electron beams and are impressed with each other different d.c. deflection voltages.

Claim 17

A flat type cathode ray tube comprising: a phosphor screen (21), a plurality of vertical scanning electrode (13) which has an oblong configuration in horizontal direction and each other isolated and lined-up in vertical direction thereby to form a substantially parallel plane to said phospor screen (21) for vertically scanning electron beams onto said phosphor screen (21) by changing potentials which are to be applied thereto, a plurality of horizontal focussing and deflection electrode (17,18 and 19) which is disposed between said phosphor screen (21) and said vertical scanning electrode (13) and is parallelly lined-up in horizontal direction for horizontally scanning and focussing electron beams within predetermined ranges onto said phosphor screen (21), a plurality of electron beam emitting means (10) which is disposed along an extended surface of said vertical scanning electrode (13) in each space partitioned by parallelly opposing disposition of said horizontal focussing and deflection electrodes(17,17ʹ, 18,18ʹ, 19 and 19ʹ) for emitting electron beams in substantially vertical direction along said vertical scanning electrode (13), auxiliary deflection electrodes (11a, 11b, 12a and 12b) for adjusting position of electron beams which are emitted from said electron beam emitting means (10), an electron beam position detecting electrodes (23) which is disposed along an extended surface of said vertical scanning electrode (13) and is faced to said electron beam emitting means (10), control means for controlling voltages which are applied to said auxiliary deflection electrodes (11a, 11b, 12a and 12b) to adjust electron beam currents which flow into said electron beam position detecting electrode (23) maximum and equal, and a vacuum enclosure (14,22 and others) for enclosing the above-mentioned parts.

Claim 18

A flat type cathode ray tube comprising: a phosphor screen (21), a plurality of vertical scanning electrode (13) which has an oblong configuration in horizontal direction and each other isolated and lined-up in vertical direction thereby to form a substantially parallel plane to said phospor screen (21) for vertically scanning electron beams onto said phosphor screen (21) by changing potentials which are to be applied thereto, a plurality of horizontal focussing and deflection electrode (17,18 and 19) which is disposed between said phosphor screen (21) and said vertical scanning electrode (13) and is parallelly lined-up in horizontal direction for horizontally scanning and focussing electron beams within predetermined ranges onto said phosphor screen (21), a plurality of electron beam emitting means (10) which is disposed along an extended surface of said vertical scanning electrode (13) in each space partitioned by parallelly opposing disposition of said horizontal focussing and deflection electrodes(17,17ʹ, 18,18ʹ, 19 and 19ʹ) for emitting electron beams in substantially vertical direction along said vertical scanning electrode (13), auxiliary deflection electrodes (11a, 11b, 12a and 12b) for adjusting position of electron beams which are emitted from said electron beam emitting means (10), an electron beam position detecting electrodes (23) which is disposed along an extended surface of said vertical scanning electrode (13) and is faced to said electron beam emitting means (10), control means for controlling voltages which are applied to said auxiliary deflection electrodes (11a, 11b, 12a and 12b) to adjust electron beam currents which flow into said electron beam position detecting electrode (23) maximum and equal, and a vacuum enclosure (14,22 and others) for enclosing the above-mentioned parts.

Claim 19

A flat type cathode ray tube in accordance with claim 15, further comprising: an electron beam catching electrode (23c) which is disposed above said electron beam position detecting electrode (23) for detecting electron beams which are passed through an aperture of said electron beam position detecting electrode (23) thereby to adjust control voltages of said electron beam emitting means (10).

Claim 20

A flat type cathode ray tube in accordance with claim 15 or 16, further comprising: a plate-shaped shield electrode (15) wherein a slit aperture is formed within said each space between said vertical scanning electrode (13) and said horizontal focussing and deflection electrode (17, 18 and 19).

Claim 21

A flat type cathode ray tube in accordance with one of the claims 15 to 17, wherein said vacuum enclosure (14, 22 and others) comprises a face plate (22) whereon said phosphor screen (21) is provided and a rear plate (14) whereon said vertical scanning electrode (13) is provided, and said horizontal focussing and deflection electrode (17,18 and 19) has supporting means (16) on an end thereof for supporting said face plate (22) and rear plate (14) against atmospheric pressure impressed thereto.

Claim 22

A flat type cathode ray tube in accordance with one of the claims 15 to 18, wherein applying means which sequentially impresses deflection voltage to said vertical scanning electrode (13) for deflecting electron beams to said phosphor screen (21).

Claim 23

A flat type cathode ray tube in accordance with one of the claims 15 to 19, wherein said horizontal focussing and deflection electrodes (17, 18 and 19) are separated in traveling direction of electron beams and are impressed with each other different d.c. deflection voltages.