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The first screen protector was designed and patented by Herbert Schlegel in 1968 for use on television screens. [1] In 1990s, the CRT screen protectors were used on CRT monitors for anti-glare and anti-radiation purposes. [citation needed] Later, they were adapted for use on LCD monitors.
Uncoated glasses lens (top) versus lens with anti-reflective coating. The reflection from the coated lens is tinted because the coating works better at some wavelengths than others. An antireflective , antiglare or anti-reflection ( AR ) coating is a type of optical coating applied to the surface of lenses , other optical elements, and ...
The screen is in color mode and is retro-illuminated. A transflective liquid-crystal display [1] is a liquid-crystal display (LCD) with an optical layer that reflects and transmits light (transflective is a portmanteau of transmissive and reflective). [2] Under bright illumination (e.g. when exposed to daylight) the display acts mainly as a ...
Ghana has been a member state of the Non-Aligned Movement since the time of the 1st Summit of the Non-Aligned Movement in 1961 in Belgrade. As the first decolonized country in Sub-Saharan Africa , Ghana actively participated in earliest efforts to initiate Pan-African and Non-Aligned cooperation.
Discrimination in Ghana refers to all forms and manifestations of actions that deny social participation or human rights to certain categories of people in Ghanaian society or institutions. [ 1 ]
Ghana's industrial base is relatively advanced. Import-substitution industries include electronics manufacturing. Rlg Communications is the first indigenous African company to assemble laptops, desktops, and mobile phones, and is West Africa's biggest information and communications technology (ICT) and mobile phone manufacturing company.
Ghana and China restored diplomatic relations in January 1972. [1]: 345 In the early 1990s, China built Ghana's National Theatre as a reward for Ghana's diplomatic support following the 1989 Tiananmen Square protests and massacre. After Kufuor was elected president of Ghana in 2001 the PRC gave Ghana a US$2.4 million grant to renovate the theatre.
Ghana scored 1 on the UNESCO Gender Parity Index (GPI) for Primary and Secondary school levels in 2013. [48] The adult (15 and older) literacy rate in Ghana was 79.04% in 2018, with males at 83.53% and females at 74.47%. [49] Ghana's rapid shift from an informal economy to a formal economy made education an important political objective. [50]
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