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    • 3. 发明申请
    • ELECTROLUMINESCENT DISPLAYS
    • 电致发光显示
    • WO2005015960A2
    • 2005-02-17
    • PCT/GB2004003411
    • 2004-08-09
    • PELIKON LTDFRYER CHRISTOPHER JAMES NEWTONBLAKESLEY RICHARD GUYBARNARDO CHRISTOPHER JOHN ANDRTYLDESLEY WILLIAM FRANK
    • FRYER CHRISTOPHER JAMES NEWTONBLAKESLEY RICHARD GUYBARNARDO CHRISTOPHER JOHN ANDRTYLDESLEY WILLIAM FRANK
    • C09K11/02C09K11/08C09K11/54C09K11/56G09G3/12H01J1/00H01L31/0232H01L33/00H05B33/14H05B33/26
    • C09K11/02C09K11/565H01L27/3239H01L51/5203
    • Certain materials are electroluminescent, and this electroluminescent effect has been used in the construction of backlights for displays. Such a backlight commonly consists of a transparent front layer (11) known as the substrate carrying over its rear face a transparent electrically-conductive film (12) forming the backlight's front electrode and covered by a layer of electroluminescent/phosphor material (13) over the rear face of which is a high-dielectric layer (16) bearing on its rear face a conductive film (17) forming the back electrode. The whole is positioned behind a mask (18) that defines whatever characters the display is to show. This use of a mask has some disadvantages, some of which can be overcome by utilising an array of suitably shaped individual electrodes (21) instead of a continuous one; however, this itself has drawbacks, since the lead (22) to each electrode acts as an electrode in its own right, activating the phosphor to show faint but distracting additional illumination. The invention deals with this problem of track-derived tails; it proposes firstly that the electroluminescent material itself be shaped into discrete areas (43) each tightly matching in shape and size the relevant individual shaped back electrode (21), and secondly (or in addition) that there be used a shield layer (71) of electrically-conductive material shaped and sized as a negative of the shaped area back electrode (21) and positioned as an intermediate electrode between and aligned with the shaped area electrode (21) and the electroluminescent material layer (43), and given the same electrical potential as the front electrode (12).
    • 某些材料是电致发光的,并且这种电致发光效应已经用于显示器背光的构造。 这种背光源通常由称为基板的透明前层(11)构成,后者在其背面上承载形成背光源前电极并由电致发光/磷光体材料(13)层覆盖的透明导电膜(12) 其后表面是高电介质层(16),在其背面上承载形成背电极的导电膜(17)。 整体位于面罩(18)的后面,该面罩定义显示器显示的任何字符。 掩模的这种使用具有一些缺点,其中一些可以通过利用适当形状的独立电极(21)而不是连续电极来克服; 然而,这本身具有缺点,因为到每个电极的引线(22)本身充当电极,激活磷光体以显示微弱但分散的额外照明。 本发明处理跟踪衍生的尾部的这个问题; 它首先提出,电致发光材料本身被成形为分离的区域(43),每个分区的形状和尺寸与有关的单独成形的背电极(21)紧密匹配,其次(或另外)使用屏蔽层(71) 的导电材料,该导电材料的形状和尺寸被设计为成形区域后电极(21)的负片并且被定位为在成形区域电极(21)和电致发光材料层(43)之间并与成形区域电极(21)和电致发光材料层(43)对准的中间电极, 电势作为正面电极(12)。
    • 4. 发明申请
    • MORE UNIFORM ELECTROLUMINESCENT DISPLAYS
    • 更均匀的电致发光显示
    • WO2005015958A2
    • 2005-02-17
    • PCT/GB2004/003419
    • 2004-08-09
    • PELIKON LIMITEDFRYER, Christopher, James, NewtonBLAKESLEY, Richard, GuyBARNARDO, Christopher, John, AndrewTYLDESLEY, William, FrankPOWELL, MikeGREEN, Andrew
    • FRYER, Christopher, James, NewtonBLAKESLEY, Richard, GuyBARNARDO, Christopher, John, AndrewTYLDESLEY, William, FrankPOWELL, MikeGREEN, Andrew
    • H05B33/10
    • F21V14/003G09G3/3208G09G3/3406G09G2320/0233
    • Certain materials are electroluminescent, and this electroluminescent effect has been used in the construction of backlights for displays. Such a backlight commonly consists of a transparent front layer (11) known as the substrate carrying over its rear face a transparent electrically-conductive film (12) forming the backlight's front electrode and covered by a layer of electroluminescent/phosphor material (13) over the rear face of which is a high-dielectric layer (16) bearing on its rear face a conductive film (17) forming the back electrode. The whole is positioned behind a mask (18) that defines whatever characters the display is to show. This use of a mask has some disadvantages, some of which can be overcome by utilising an array of suitably shaped individual electrodes (21) instead of a continuous one, and by shaping the electroluminescent material itself in discrete areas (43) each tightly matching in shape and size the relevant individual shaped back electrode (21). This latter, however, itself has drawbacks, for the colour of the phosphor commonly contrast with the colour of the surrounding insulating material, so that the discrete areas of phosphor may be visible under ambient light even when in their inactivated, "off", state. The invention deals with this problem by proposing that there be modified - or apparently modified - the colour/reflectivity of one or other (or, indeed, both) of the phosphor (43) and the surrounding insulator material (16) so as to 2match" that of the other, and thus cause the phosphor and insulator material to blend with, and so be less distinguishable from, each other.
    • 某些材料是电致发光的,并且该电致发光效应已被用于构建显示器的背光。 这种背光源通常由称为基板的透明前层(11)构成,后者在其背面上承载形成背光源前电极并由电致发光/磷光体材料(13)层覆盖的透明导电膜(12) 其后表面是高电介质层(16),在其背面上承载形成背电极的导电膜(17)。 整体位于面罩(18)的后面,该面罩定义显示器显示的任何字符。 掩模的这种使用具有一些缺点,其中一些可以通过利用适当形状的独立电极阵列(21)而不是连续电极来克服,并且通过将电致发光材料本身成形为分立的区域(43) 形状和尺寸确定相关的单个成形后电极(21)。 然而,后者本身具有缺陷,因为磷光体的颜色通常与周围绝缘材料的颜色形成对比,使得即使在其失活的“断开”状态下,磷光体的离散区域也可在环境光下可见, 州。 本发明通过提出修改(或明显修改)磷光体(43)和周围绝缘体材料(16)中的一个或另一个(或实际上两者)的颜色/反射率以便“匹配” ; 另一方面,并​​因此导致磷光体和绝缘体材料与彼此混合,并且因此彼此较少区分。
    • 5. 发明申请
    • ELECTRONIC CIRCUITS
    • 电子电路
    • WO02069674A8
    • 2003-10-16
    • PCT/GB0200833
    • 2002-02-26
    • PELIKON LTDJONES PHILIP MATTHEWFRYER CHRISTOPHER JAMES NEWTON
    • JONES PHILIP MATTHEWFRYER CHRISTOPHER JAMES NEWTON
    • G09G3/30H05B33/08
    • H05B33/08G09G3/30Y02B20/325
    • A high voltage AC power supply circuit for a capacitive load CL, such as an electroluminescent lamp, includes a low voltage DC supply, an inductor L and a FET S in series. The FET S can be pulsed so that the inductor L generates a voltage to charge the capacitive load CL via an H-bridge H, which is in parallel with the FET S. A diode D prevents current discharging from the capacitive load CL while the FET S is closed. The total capacitance downstream of the diode D and in parallel with the capacitive load CL is less than the capacitive load CL, so that when the polarity of the H-bridge is reversed, the voltage across the H-bridge collapses to earth and the capacitive load CL is discharged via the low voltage DC supply. The circuit has a lower power consumption than circuits which a employ a large smoothing capacitor in parallel with the H-bridge.
    • 用于诸如电致发光灯的电容性负载CL的高压AC电源电路包括串联的低压DC电源,电感器L和FET S。 FET S可以是脉冲的,使得电感器L产生电压,以经由与FET S并联的H桥H对电容负载CL充电。二极管D防止电容器从电容性负载CL放电,而FET S关闭。 二极管D下游并与电容性负载CL并联的总电容小于电容性负载CL,因此当H桥的极性反转时,H桥两端的电压塌陷至地,电容 负载CL通过低压直流电源放电。 该电路具有比使用与H桥并联的大平滑电容器的电路更低的功率消耗。
    • 6. 发明申请
    • ELECTRONIC CIRCUIT FOR DRIVING ELECTROLUMINESCENT DISPLAY
    • 用于驱动电致发光显示器的电子电路
    • WO2007141494A1
    • 2007-12-13
    • PCT/GB2007/002032
    • 2007-06-01
    • PELIKON LIMITEDFRYER, Christopher, James, Newton
    • FRYER, Christopher, James, Newton
    • G09G3/12H05B33/08
    • H05B33/08G09G3/04G09G3/30Y02B20/32
    • An electroluminescent circuit for driving an electroluminescent display having a plurality of segment electrodes and a common electrode. The circuit comprises a DC power supply, an output terminal for each of the segments and common electrodes and at least one supply half H-bridge for connecting at least one of each of the segment electrodes and the common electrode selectively to one of the DC supply and a reference voltage. Each supply half H-bridge comprises a top switch and a bottom switch in series having a junction between them. The top switch is connected to the DC supply and the bottom switch is connected to a reference voltage. A discharge circuit is provided for selectively discharging the electroluminescent display, the discharge circuit comprising a discharge half H-bridge in which a top switch is connected to the DC supply and to a discharge path.
    • 一种用于驱动具有多个分段电极和公共电极的电致发光显示器的电致发光电路。 该电路包括直流电源,用于每个段和公共电极的输出端子和用于将每个段电极和公共电极中的至少一个选择性地连接到DC电源中的一个的至少一个供电半H桥 和参考电压。 每个供电半H桥包括顶部开关和底部开关,它们之间具有连接。 顶部开关连接到直流电源,底部开关连接到参考电压。 提供了用于选择性地放电电致发光显示器的放电电路,该放电电路包括放电半H桥,其中顶开关连接到DC电源和放电路径。
    • 7. 发明申请
    • ELECTRONIC CIRCUITS
    • 电子电路
    • WO2002069674A1
    • 2002-09-06
    • PCT/GB2002/000833
    • 2002-02-26
    • PELIKON LTDJONES, Philip, MatthewFRYER, Christopher, James, Newton
    • JONES, Philip, MatthewFRYER, Christopher, James, Newton
    • H05B33/08
    • H05B33/08G09G3/30Y02B20/32
    • A high voltage AC power supply circuit for a capacitive load C L , such as an electroluminescent lamp, includes a low voltage DC supply, an inductor L and a FET S in series. The FET S can be pulsed so that the inductor L generates a voltage to charge the capacitive load C L via an H-bridge H, which is in parallel with the FET S. A diode D prevents current discharging from the capacitive load C L while the FET S is closed. The total capacitance downstream of the diode D and in parallel with the capacitive load C L is less than the capacitive load C L , so that when the polarity of the H-bridge is reversed, the voltage across the H-bridge collapses to earth and the capacitive load C L is discharged via the low voltage DC supply. The circuit has a lower power consumption than circuits which a employ a large smoothing capacitor in parallel with the H-bridge.
    • 用于诸如电致发光灯的电容性负载C L的高压AC电源电路包括低压DC电源,电感器L和FET S in, 系列。 FET S可以是脉冲式的,使得电感器L产生电压以经由与FET S并联的H桥H对电容性负载C L充电。二极管D防止电流放电 从FET S闭合时的容性负载C L。 二极管D下游并且与电容性负载C L并联的总电容小于电容性负载C L,使得当H桥的极性 被反向时,H桥两端的电压崩溃接地,而容性负载C L通过低压DC电源放电。 该电路的功耗低于采用与H桥并联的大平滑电容器的电路。
    • 9. 发明申请
    • CONTROL OF ELECTROLUMINESCENT DISPLAYS
    • 电致发光显示器的控制
    • WO2005013248A1
    • 2005-02-10
    • PCT/GB2004/003178
    • 2004-07-22
    • PELIKON LIMITEDFRYER, Christopher, James, NewtonROSS, Stefan, Michael
    • FRYER, Christopher, James, NewtonROSS, Stefan, Michael
    • G09G3/12
    • H05B33/08G09G3/12G09G2330/021Y02B20/32
    • A controller for use with a multi-segment electroluminescent display (1). Control signals C1-CN control a plurality of half H-bridges H and Hc, the terminals of the half H-bridges being connected respectively to ground and to a high voltage DC supply (9). One of said half H-bridges provides a common output Vcommon and the remaining H-bridges provide drive voltages V1-VN for the segments of the display. The H bridges are driven by an oscillator (14) so that an AC voltage is selectively applied to the segments of the display. A power supply (24) provides a predetermined amount of power per unit area of the display. This is controlled by an area summation engine (22) having a segment data input, a segment counter and a memory containing area data corresponding to the segment(s) of the display. Based on the input from the segment data input, the area(s) of the segment(s) that are to be lit are obtained from the memory and summed to provide the total area to be lit. This is fed to the power supply (24), which then feeds the correct amount of power to display (1) via the half H-bridges.
    • 一种用于多段电致发光显示器(1)的控制器。 控制信号C1-CN控制多个半H桥H和Hc,半H桥的端子分别连接到地和高电压DC电源(9)。 所述半H桥中的一个提供公共输出Vcommon,并且剩余的H桥为显示器的段提供驱动电压V1-VN。 H桥由振荡器(14)驱动,使得AC电压被选择性地施加到显示器的段。 电源(24)在显示器的每单位面积上提供预定量的功率。 这由具有段数据输入的区域求和引擎(22),段计数器和包含对应于显示器的段的区域数据的存储器控​​制。 基于来自段数据输入的输入,从存储器获得要被点亮的段的区域,并将其相加以提供要照亮的总区域。 这被馈送到电源(24),然后电源(24)通过半桥连接器馈送正确的电量以显示(1)。