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1. (WO2007010781) HIGH VOLTAGE DISCHARGE LAMP OPERATION METHOD, OPERATION DEVICE, LIGHT SOURCE DEVICE, AND PROJECTION TYPE IMAGE DISPLAY DEVICE
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/2007/010781 International Application No.: PCT/JP2006/313744
Publication Date: 25.01.2007 International Filing Date: 11.07.2006
IPC:
H05B 41/24 (2006.01) ,H05B 41/288 (2006.01) ,G03B 21/14 (2006.01) ,H04N 5/74 (2006.01)
H ELECTRICITY
05
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
B
ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
41
Circuit arrangements or apparatus for igniting or operating discharge lamps
14
Circuit arrangements
24
in which the lamp is fed by high-frequency ac
H ELECTRICITY
05
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
B
ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
41
Circuit arrangements or apparatus for igniting or operating discharge lamps
14
Circuit arrangements
26
in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
28
using static converters
288
with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
G PHYSICS
03
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
B
APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
21
Projectors or projection-type viewers; Accessories therefor
14
Details
H ELECTRICITY
04
ELECTRIC COMMUNICATION TECHNIQUE
N
PICTORIAL COMMUNICATION, e.g. TELEVISION
5
Details of television systems
74
Projection arrangements for image reproduction, e.g. using eidophor
Applicants:
松下電器産業株式会社 MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. [JP/JP]; 〒5718501 大阪府門真市大字門真1006番地 Osaka 1006, Oaza Kadoma, Kadoma-shi, Osaka 5718501, JP (AllExceptUS)
池田 勝 IKEDA, Masaru; null (UsOnly)
小野 俊介 ONO, Syunsuke; null (UsOnly)
小笹 稔 OZASA, Minoru; null (UsOnly)
山本 匡宏 YAMAMOTO, Masahiro; null (UsOnly)
山田 剛 YAMADA, Go; null (UsOnly)
Inventors:
池田 勝 IKEDA, Masaru; null
小野 俊介 ONO, Syunsuke; null
小笹 稔 OZASA, Minoru; null
山本 匡宏 YAMAMOTO, Masahiro; null
山田 剛 YAMADA, Go; null
Agent:
中島 司朗 NAKAJIMA, Shiro; 〒5310072 大阪府大阪市北区豊崎三丁目2番1号淀川5番館6F Osaka 6F, Yodogawa 5-Bankan 2-1, Toyosaki 3-chome Kita-ku, Osaka-shi, Osaka 5310072, JP
Priority Data:
2005-20741415.07.2005JP
Title (EN) HIGH VOLTAGE DISCHARGE LAMP OPERATION METHOD, OPERATION DEVICE, LIGHT SOURCE DEVICE, AND PROJECTION TYPE IMAGE DISPLAY DEVICE
(FR) PROCÉDÉ D’UTILISATION DE LAMPE À DÉCHARGE HAUTE TENSION, DISPOSITIF D’UTILISATION, DISPOSITIF À SOURCE LUMINEUSE ET DISPOSITIF D’AFFICHAGE D’IMAGE DE TYPE PROJECTEUR
(JA) 高圧放電ランプの点灯方法、点灯装置、光源装置及び投射型画像表示装置
Abstract:
(EN) There is provided a method for operating a high voltage discharge lamp capable of increasing the service life of the discharge lamp. The operation method for turning ON the high voltage discharge lamp and maintaining the ON state is as follows. When the time elapse after the turning ON of the high voltage discharge lamp is within a predetermined condition (for example, 5 minutes or less have elapsed after turning ON), constant current control is performed if the lamp voltage is lower than switching voltage (here, a first voltage value V1) and constant power control is performed to maintain the lamp power at a power value W1 if the lamp voltage is equal to or above the switching voltage. After the predetermined condition (time elapse after turning ON is 5 minutes) is exceeded, the constant power control is performed by lowering the value of the switching voltage from the first voltage value V1 to the second voltage value V2. If the lamp voltage is equal to or above the switching voltage lowered. the lamp power is maintained at power value W1.
(FR) L’invention concerne un procédé d’utilisation d’une lampe à décharge haute tension capable de rallonger la durée d’utilisation de la lampe à décharge. Le procédé d’utilisation pour ALLUMER la lampe à décharge haute tension et maintenir l’état ALLUMÉ est le suivant. Lorsque le temps écoulé après l’ALLUMAGE de la lampe à décharge haute tension respecte une condition prédéterminée (par exemple 5 minutes ou moins se sont écoulées après l’ALLUMAGE), une commande de courant constant est déclenchée si la tension de la lampe est inférieure à la tension de commutation (ici, une première valeur de tension V1) et une commande de puissance constante est déclenchée pour maintenir la puissance de la lampe à une valeur de puissance W1 si la tension de la lampe est supérieure ou égale à la tension de commutation. En cas de dépassement de la condition prédéterminée (temps écoulé après ALLUMAGE = 5 minutes), la commande de puissance constante est mise en œuvre en abaissant la valeur de la tension de commutation de la première valeur de tension V1 à la seconde valeur de tension V2. Si la tension de la lampe est supérieure ou égale à la tension de commutation abaissée, la puissance de la lampe est maintenue à la valeur de puissance W1.
(JA)  高圧放電ランプを長寿命化できる点灯方法を提供する。  高圧放電ランプを点灯開始させてその点灯を維持させる点灯方法は、高圧放電ランプの点灯開始から点灯経過時間が所定条件(例えば、点灯経過時間が5分)以内の場合、ランプ電圧が切換え電圧(ここでは第1の電圧値V1)未満では定電流制御を行い、ランプ電圧が切換え電圧以上ではランプ電力を電力値W1に維持する定電力制御を行い、前記所定条件(点灯経過時間が5分)を越えた後は、切換え電圧の値を、第1の電圧値V1から第2の電圧値V2に下げて、ランプ電圧が前記下げた切換え電圧以上では、ランプ電力を電力値W1に維持する定電力制御を行う。
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Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BW, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HN, HR, HU, ID, IL, IN, IS, JP, KE, KG, KM, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LT, LU, LV, LY, MA, MD, MG, MK, MN, MW, MX, MZ, NA, NG, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RS, RU, SC, SD, SE, SG, SK, SL, SM, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LS, MW, MZ, NA, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IS, IT, LT, LU, LV, MC, NL, PL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)
Also published as:
JPWO2007010781US20090115974JP4682202CN101223829