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    • 5. 发明公开
    • 눈사람 형상의 특수형상 고분자 입자 및 이의 제조방법
    • 具有特殊形状的聚合物颗粒,如同样的SNOWMAN及其制造方法
    • KR1020080019903A
    • 2008-03-05
    • KR1020060082416
    • 2006-08-29
    • 동우 화인켐 주식회사
    • 조민성최주희심창보
    • C08F2/18C08J3/12G02F1/07
    • C08F2/18C08F2/08C08F4/04C08F120/14C08J3/12G02B5/02
    • A polymer particle having a special snowman-like shape is provided to obtain non-spherical polymer particles having specific flow characteristics, light scattering characteristics and high whiteness through a simple process requiring no use of a co-solvent with high efficiency. A polymer particle having a special snowman-like shape is obtained by the method comprising the steps of: dissolving a radical polymerizable monomer, multi-functional crosslinking monomer, initiator and dispersion stabilizer into a solvent, and carrying out dispersion polymerization to provide mono-dispersed, partially crosslinked seed particles; dispersing the partially crosslinked seed particles in an aqueous phase, and introducing an initiator, radical polymerizable monomer and multi-functional crosslinking monomer thereto to activate the polymer particles; and heat treating the polymer particles obtained by suspension polymerization of the activated polymer particles. In the first step, the multi-functional crosslinking monomer is added in an amount of 5-25 parts by weight based on 100 parts by weight of the combined weight of the radical polymerizable monomer and the multi-functional crosslinking monomer.
    • 提供具有特殊雪人形状的聚合物颗粒,以通过不需要使用高效率的助溶剂的简单方法获得具有特定流动特性,光散射特性和高白度的非球形聚合物颗粒。 通过包括以下步骤的方法获得具有特殊雪人形状的聚合物颗粒:将可自由基聚合单体,多官能交联单体,引发剂和分散稳定剂溶解在溶剂中,并进行分散聚合以提供单分散 ,部分交联的种子颗粒; 将部分交联的种子颗粒分散在水相中,并将引发剂,可自由基聚合的单体和多官能交联单体引入其中以活化聚合物颗粒; 并对通过活化聚合物颗粒的悬浮聚合获得的聚合物颗粒进行热处理。 在第一步中,基于100重量份的可自由基聚合单体和多官能交联单体的组合重量,多官能交联单体的添加量为5-25重量份。
    • 8. 发明公开
    • Method for controlling light transmission and reflection using particles
    • 用于控制光传输和使用颗粒反射的方法
    • KR20100102085A
    • 2010-09-20
    • KR20100084951
    • 2010-08-31
    • NANOBRICK CO LTD
    • JOO JAE HYUNLEE IN SOOKGO DA HYEON
    • G02F1/061G02F1/07
    • G02F1/092G02B26/002G02F1/167G02F2001/094G02F2203/055
    • PURPOSE: A method for controlling light transmission and reflection using one optical is provided to control light transmittance in fast speed and control wavelength of a reflective light, thereby being applied to inner/outer interior products and various fields. CONSTITUTION: A minute particle is dispersed in the media of gel state. If external electric field is not applied, an incoming light is scattered by difference of refraction index between the minute particle and the media. Therefore, opaque state appears. If the electric field is applied, the minute particle is gradually arranged to a direction of the electric field by inter-particle interaction between particles. Therefore, the transparent gradually appears. If electric field is applied over predetermined strength, a reflective light of a wavelength range appears.
    • 目的:提供一种使用一种光学器件控制光透射和反射的方法,以控制反射光的快速和控制波长的透光率,从而应用于内/外室内产品和各种领域。 构成:微粒分散在凝胶状态的介质中。 如果不施加外部电场,则由微粒与介质之间的折射率差引起入射光散射。 因此,出现不透明状态。 如果施加电场,则通过颗粒间的颗粒间相互作用,微粒子逐渐地排列到电场的方向。 因此,透明逐渐出现。 如果施加超过预定强度的电场,则出现波长范围的反射光。
    • 9. 发明公开
    • 하이브리드 코딩에 의한 펄스 폭 변조 디스플레이
    • 脉冲宽度调制显示与混合编码
    • KR1020050050644A
    • 2005-05-31
    • KR1020057002532
    • 2003-08-11
    • 톰슨 라이센싱
    • 윌리스,도날드,헨리
    • G02F1/03G02F1/07
    • G09G3/346G09G3/2018G09G2310/0235G09G2320/0242H04N9/3123
    • A field sequential pulse width modulated display system (10) comprises a digital micromirror device (DMD) (24) having a plurality of micromirrors that each selectively reflect light to illuminate a corresponding pixel. A driver circuit (30) controls the DMD (24) responsive to sequences of pulse width segments formed by a processor (31). The processor (31) increases the pixel brightness by actuating selected pulses such that within a first range of brightness levels between first and second pixel brightness boundaries, a first large-duration pulse (or combination of pulses) becomes actuated to reach the second pixel brightness boundary, and within a second range of pixel brightness levels between second and third pixel brightness boundaries, the first large duration pulse (or combination of pulses) remains actuated. Upon reaching the third pixel brightness boundary, a second large duration pulse (or combination of pulses) now becomes actuated with the first large duration pulse (or combination of pulses) remaining actuated. Forming the pulse width segments in this manner serves to reduce motion contouring.
    • 场顺序脉宽调制显示系统(10)包括具有多个微镜的数字微镜装置(DMD)(24),每个微镜选择性地反射光以照射对应的像素。 驱动器电路(30)响应于由处理器(31)形成的脉冲宽度段的序列来控制DMD(24)。 处理器(31)通过致动所选择的脉冲来增加像素亮度,使得在第一和第二像素亮度边界之间的亮度级的第一范围内,第一大持续时间脉冲(或脉冲的组合)变为致动以达到第二像素亮度 并且在第二和第三像素亮度边界之间的像素亮度级的第二范围内,第一大持续时间脉冲(或脉冲的组合)保持致动。 当达到第三像素亮度边界时,第二大持续时间脉冲(或脉冲的组合)现在随着第一大持续时间脉冲(或脉冲的组合)被保持致动而被致动。 以这种方式形成脉冲宽度段用于减少运动轮廓。