CN1953039B - 双屏显示装置及方法 - Google Patents

双屏显示装置及方法 Download PDF

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CN1953039B
CN1953039B CN200510100555A CN200510100555A CN1953039B CN 1953039 B CN1953039 B CN 1953039B CN 200510100555 A CN200510100555 A CN 200510100555A CN 200510100555 A CN200510100555 A CN 200510100555A CN 1953039 B CN1953039 B CN 1953039B
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display screen
operation signal
data
display
double
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CN1953039A (zh
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连文钏
刘夺
谢冠宏
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Priority to US11/309,470 priority patent/US20070085758A1/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1423Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3433Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices
    • G09G3/344Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using light modulating elements actuated by an electric field and being other than liquid crystal devices and electrochromic devices based on particles moving in a fluid or in a gas, e.g. electrophoretic devices
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02Details of power systems and of start or stop of display operation
    • G09G2330/021Power management, e.g. power saving
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/36Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
    • G09G3/3611Control of matrices with row and column drivers

Abstract

一种双屏显示装置及方法,该装置包括一第一显示屏及一第二显示屏,其中第二显示屏用于在第一显示屏电源关闭时显示需及时显示或需更新的资料。该第一显示屏可为一稳态液晶显示屏,第二显示屏可为一非稳态液晶显示屏。利用该双屏显示装置及方法,在不需更新显示资料时,可关闭第一显示屏,且其它的操作可直接在第二显示屏上进行,从而不仅能及时显示所需的信息,而且能在节省电量的情况下快速更新显示画面。

Description

双屏显示装置及方法
【技术领域】
本发明是关于一种显示装置及方法,尤指一种双屏显示装置及方法。
【背景技术】
随着电子技术的快速发展,各种便携式电子产品大大丰富了消费市场,满足人们多方位工作和娱乐需求。例如,个人数字助理(PDA,Personal Digital Assistant)、电子书(ebook)、移动电话等。该类便携式电子产品主要完成资料、字符、图形等显示输出功能,而我们在使用过程中会经常查看时间、电量、安排日程、来电显示、简讯等系统状态信息,如果总使用便携式电子产品的主体大屏幕势必会造成电量消耗大、显示信息互相影响等情况。
再有,现有便携式电子产品所用的显示屏幕多数采用双稳态液晶显示屏(BTN LCD,Bistable Twisted Nematic LCD)或胆固醇液晶显示屏(Cholesteric LCD),该类液晶显示屏具有画面记忆特性,仅在翻页时须耗电,显示后不需要电力维持,因此能大幅度节省电力。但是对于在短时间内就需翻页一次或常常要前后翻来翻去对照着看时,该类液晶显示屏反而会失去省电的优势,跟一般的LCD一样都要耗电,而且刷新速度慢。
【发明内容】
基于上述内容,有必要提供一种双屏显示装置,该显示装置既能及时显示系统状态信息,又能在节省电量的情况下快速更新显示画面。
还有必要提供一种双屏显示方法,该方法既能及时显示系统状态信息,又能在节省电量的情况下快速更新显示画面。
所述双屏显示装置,该装置包括一第一显示屏及一第二显示屏,该第二显示屏用于在第一显示屏电源关闭时显示需及时显示或需更新的资料。
其中第一显示屏为一稳态液晶显示屏,第二显示屏为一非稳态液晶显示屏。该需及时显示的资料可为系统状态信息,例如,时间,电量等。该装置还包括一处理单元及多个按键,其中按键包括“翻页”按键、“确认”按键及其它功能按键。当操作“翻页”按键时,处理单元于第二显示屏上更新显示翻页后的资料;当操作“确认”按键时,处理单元打开第一显示屏电源并于该第一显示屏上更新显示翻页后的资料,并于更新结束时关闭该第一显示屏电源;当操作其它功能按键时,处理单元于第二显示屏上执行相应的操作。
所述双屏显示方法,其包括以下步骤:(a)提供一第一显示屏,一第二显示屏及(b)显示需及时显示或需更新的资料于第二显示屏。
其中步骤(b)还包括(b1)当接收到翻页按键产生的操作信号时,于第二显示屏上更新显示翻页后的资料;(b2)当于第二显示屏上更新显示翻页后的资料且接收到确认按键产生的操作信号时,打开第一显示屏电源并于该第一显示屏上更新显示翻页后的资料;及(b3)当第一显示屏上的资料更新结束时,关闭该第一显示屏电源。
相较于现有技术,该双屏显示装置及方法采用了双屏进行显示,既能及时显示系统状态信息,又能在节省电量的情况下快速更新显示画面。
【附图说明】
图1是一实施方式中双屏显示装置的硬件架构图。
图2是一实施方式中双屏显示方法的流程图。
【具体实施方式】
如图1所示,是一实施方式中双屏显示装置的硬件架构图。该双屏显示装置包括一第一显示屏10、一第二显示屏11、一处理单元12、一挥发性存储单元13、一非挥发性存储单元14及多个按键15。其中第一显示屏10为一稳态液晶显示屏其可在关闭电源时仍可继续保持最后显示的画面,例如,双稳态液晶显示屏,多稳态液晶显示屏SSCTLCD(Surface-Stabilized Cholesterol Texture Liquid Crystal Display,胆固醇液晶显示屏)。第二显示屏11相对于第一显示屏10较小,为一非稳态液晶显示屏,例如,扭曲向列液晶显示屏TN LCD(Twisted NematicLiquid Crystal Display)、超扭曲向列液晶显示屏STN LCD(SuperTwisted Nematic Liquid Crystal Display)、薄膜晶体管液晶显示屏TFTLCD(Thin Film Transistor Liquid Crystal Display)等,该类液晶显示屏响应时间短,即刷新/更新速度快。第二显示屏11用于在第一显示屏10电源关闭时显示需及时显示或需更新的资料,其中需及时显示的资料可为系统状态信息,例如:时间、电量、当前第一显示屏所显示的资料所对应的章节、页码等信息。
挥发性存储单元13可为随机存取存储单元RAM(Random AccessMemory),用于暂存在操作过程中所需或产生的资料。非挥发性存储单元14可为只读存储单元ROM(Read Only Memory)或闪存Flash。在本实施方式中,按键15包括“翻页”按键、“确认”按键及其它功能按键,例如“查询”按键等。当使用者操作按键15时,产生一相应操作信号。处理单元12接收该操作信号,并根据该操作信号执行相应的处理。例如,当该操作信号对应“翻页”操作时,处理单元12于第二显示屏11上更新显示翻页后的资料;当该操作信号对应“确认”操作时,处理单元12打开第一显示屏10电源并于该第一显示屏10上更新显示翻页后的资料,且当第一显示屏10上的资料更新结束时,处理单元12关闭该第一显示屏10电源;当该操作信号对应其它功能操作时,处理单元12于第二显示屏11上执行与该功能操作相对应的操作,例如当为“查询”操作时处理单元12于第二显示屏11上执行查询操作。因此,藉由该双屏显示装置,使用者可以在阅读过程中关闭第一显示屏10的电源,直到需翻页更新显示资料时才打开该第一显示屏10电源,而其它的操作则可在第二显示屏11上进行,从而既提高了整个装置的响应速度,又大幅度节省了电量。
如图2所示,是一实施方式中双屏显示方法的流程图.首先,处理单元12判断是否接收到按键产生的操作信号,如果未接收到按键产生的操作信号流程结束(步骤S200).如果接收到按键产生的操作信号,处理单元12判断该操作信号是否为“翻页”按键产生的操作信号(步骤S201).如果该操作信号不为“翻页”按键产生的操作信号,处理单元12于第二显示屏11上执行与该操作信号相对应的操作(步骤S202).如果该操作信号为“翻页”按键产生的操作信号,处理单元12于第二显示屏11上更新显示翻页后的资料(步骤S203).处理单元12判断是否接收到“确认”按键产生的操作信号,如果未接收到“确认”按键产生的操作信号,返回执行步骤S200(步骤S204).如果接收到“确认”按键产生的操作信号,处理单元12打开第一显示屏10电源(步骤S205).处理单元12于第一显示屏10上更新显示翻页后的资料(步骤S206).第一显示屏10上资料更新结束时,处理单元12关闭该第一显示屏10电源,并返回执行步骤S200(步骤S207).

Claims (6)

1.一种双屏显示装置,其包括一第一显示屏,其特征在于:
还包括一第二显示屏,该第二显示屏为一非稳态液晶显示屏,用于在第一显示屏电源关闭时显示需及时显示或需更新的资料;该第一显示屏为一稳态液晶显示屏;
一翻页按键,用于对应用户翻页操作而产生一翻页操作信号;
一确认按键,用于对应用户确认操作而产生一确认操作信号;
一处理单元,当接收到翻页按键产生的翻页操作信号时,于第二显示屏上更新显示翻页后的资料;当第二显示屏上更新显示翻页后的资料,且接收到该确认操作信号时,打开第一显示屏电源,于该第一显示屏上更新当前第二显示屏上显示的资料,且当该第一显示屏上的资料更新结束时,自动关闭该第一显示屏电源。
2.如权利要求1所述的双屏显示装置,其特征在于,还包括其它功能按键。
3.如权利要求2所述的双屏显示装置,其特征在于,其中当处理单元接收到其它功能按键产生的操作信号时,于第二显示屏上执行与该操作信号相对应的操作。
4.一种双屏显示方法,其特征在于,该方法包括如下步骤:
提供一第一显示屏及一第二显示屏,其中,该第一显示屏为一稳态液晶显示屏,该第二显示屏为一非稳态液晶显示屏,一翻页按键,用于对应用户翻页操作而产生一翻页操作信号;一确认按键,用于对应用户确认操作而产生一确认操作信号;
关闭所述第一显示屏电源;及
显示需及时显示或需更新的资料于所述第二显示屏;
当接收到翻页按键产生的翻页操作信号时,于第二显示屏上更新显示翻页后的资料;当第二显示屏上更新显示翻页后的资料,且接收到该确认操作信号时,打开第一显示屏电源,更新显示当前第二显示屏上显示的资料于所述第一显示屏;及
当第一显示屏上的资料更新结束时,自动关闭该第一显示屏电源。
5.如权利要求4所述的双屏显示方法,其特征在于,还提供其它功能按键。
6.如权利要求5所述的双屏显示方法,其特征在于,其中当接收到其它功能按键产生的操作信号时,于第二显示屏上执行于该操作信号相对应的操作。
CN200510100555A 2005-10-19 2005-10-19 双屏显示装置及方法 Expired - Fee Related CN1953039B (zh)

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